Re: Tile Problem

[Caroline Jen]

I followed your suggestion.  Now, when I ran my
application, I got 

article.Main.title???en_US.??? 

displayed in the browser.  Still, cannot pick up the

article.Menu.title=Registered Members

in the application.properties (which is located in the
ApplicationRoot/WEB-INF/classes/resources folder).

Here is my code:

[CODE]
.
%@ taglib uri=/WEB-INF/lib/struts-bean-el.tld
prefix=bean-el %
html:html
HEAD
html:base/
TITLE./TITLE
/HEAD
BODY
c:set var=titleKeytiles:getAsString 
name=title//c:setbean-el:message
key=${titleKey}/
tiles:get name=header/
tiles:get name=message/
tiles:get name=content/
tiles:get name=navbar/
/BODY
.
[/CODE]

In my tiles-def.xml, I have:

[CODE]
   definition name=.article.Menu
extends=.article.Base
  put name=title
value=article.Menu.title/
  put name=content  
value=/article/content/menu.jsp/
  put name=navbar   
value=/article/common/navbarMenu.jsp/
   /definition
[/CODE]

-Caroline


--- Jason Lea [EMAIL PROTECTED] wrote:
 Are you using the struts-el tags.  You might have
 them installed as 
 bean-el in which case you would need to use
 
 c:set var=titleKeytiles:getAsString 
 name=title//c:setbean-el:message
 key=${titleKey}/
 
 I only use the EL tags, so I just use bean as the
 tag prefix eg %@ 
 taglib uri=/WEB-INF/jsp/tags/struts-bean-el.tld
 prefix=bean %
 
 
 
 Caroline Jen wrote:
 
 I tried both of your suggestions.  For example, I
 have
 
 [code]
 .
 BODY
 c:set var=titleKeytiles:getAsString 
 name=title//c:setbean:message
 key=${titleKey}/
 tiles:get name=header/
 tiles:get name=message/
 tiles:get name=content/
 tiles:get name=navbar/
 /BODY
 .
 [/code]
 
 I got java.lang.IllegalArgumentException: can't
 parse
 argument number titleKey
 
 --- Jason Lea [EMAIL PROTECTED] wrote:
   
 
 If you are using JSTL you can do this:
 
 tile:useAttribute id=titleKey
 name=titlebean:message 
 key=${titleKey}/
 
 if that doesn't work, try this:
 
 c:set var=titleKeytiles:getAsString 
 name=title//c:setbean:message
 key=${titleKey}/
 
 
 
 Caroline Jen wrote:
 
 
 
 In general, the tile works fine for me except the
 title piece.
  
 [CODE]
 .
 BODY
 tiles:getAsString name=title/
 tiles:get name=header/
 tiles:get name=message/
 tiles:get name=content/
 tiles:get name=navbar/
 /BODY
 .
 [/CODE]
 
 In my tiles-def.xml, I have:
 
 [CODE]
   definition name=.article.Menu
 extends=.article.Base
  put name=title
 value=article.Menu.title/
  put name=content  
 value=/article/content/menu.jsp/
  put name=navbar   
 value=/article/common/navbarMenu.jsp/
   /definition
 [/CODE]
 
 The problem is that my application displays 
 
 article.Menu.title
 
 in the browser, instead of going to the
 application.properties (which is in the
 ApplicationRoot/WEB-INF/classes/resources folder)
   
 
 to
 
 
 get 
 
 article.Menu.title=Registered Members
 
 What should I do?
 
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 time.
 
 
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 To unsubscribe, e-mail:
   
 
 [EMAIL PROTECTED]
 
 
 For additional commands, e-mail:
   
 
 [EMAIL PROTECTED]
 
 
  
 
   
 
 -- 
 Jason Lea
 
 
 
 
 
 

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 To unsubscribe, e-mail:
 [EMAIL PROTECTED]
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 [EMAIL PROTECTED]
 
 
 
 
 
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 For additional commands, e-mail:
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 -- 
 Jason Lea
 
 
 

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RE: Tile Problem

[Caroline Jen]

Huraah!! 

tiles:useAttribute name=title/
bean:message name=title/

worked.  I have been carrying this problem with me for
quite some time.  Finally got it.

--- Avinash Gangadharan [EMAIL PROTECTED]
wrote:
 Try the code below. This should work. 
 
 [CODE]
 .
 %@ taglib uri=/WEB-INF/lib/struts-bean.tld
 prefix=bean %
 html:html
 HEAD
 html:base/
 TITLE./TITLE
 /HEAD
 BODY
 tiles:useAttribute name=title/
 bean:message name=title/
 tiles:get name=header/
 tiles:get name=message/
 tiles:get name=content/
 tiles:get name=navbar/
 /BODY
 .
 [/CODE]
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED] 
 Sent: Thursday, March 25, 2004 4:52 PM
 To: Struts Users Mailing List
 Subject: Re: Tile Problem
 
 
 I followed your suggestion.  Now, when I ran my
 application, I got 
 
 article.Main.title???en_US.??? 
 
 displayed in the browser.  Still, cannot pick up the
 
 article.Menu.title=Registered Members
 
 in the application.properties (which is located in
 the
 ApplicationRoot/WEB-INF/classes/resources folder).
 
 Here is my code:
 
 [CODE]
 .
 %@ taglib uri=/WEB-INF/lib/struts-bean-el.tld
 prefix=bean-el %
 html:html
 HEAD
 html:base/
 TITLE./TITLE
 /HEAD
 BODY
 c:set var=titleKeytiles:getAsString 
 name=title//c:setbean-el:message
 key=${titleKey}/
 tiles:get name=header/
 tiles:get name=message/
 tiles:get name=content/
 tiles:get name=navbar/
 /BODY
 .
 [/CODE]
 
 In my tiles-def.xml, I have:
 
 [CODE]
definition name=.article.Menu
 extends=.article.Base
   put name=title
 value=article.Menu.title/
   put name=content  
 value=/article/content/menu.jsp/
   put name=navbar   
 value=/article/common/navbarMenu.jsp/
/definition
 [/CODE]
 
 -Caroline
 
 
 --- Jason Lea [EMAIL PROTECTED] wrote:
  Are you using the struts-el tags.  You might have
  them installed as
  bean-el in which case you would need to use
  
  c:set var=titleKeytiles:getAsString
  name=title//c:setbean-el:message
  key=${titleKey}/
  
  I only use the EL tags, so I just use bean as the
  tag prefix eg %@
  taglib uri=/WEB-INF/jsp/tags/struts-bean-el.tld
  prefix=bean %
  
  
  
  Caroline Jen wrote:
  
  I tried both of your suggestions.  For example, I
  have
  
  [code]
  .
  BODY
  c:set var=titleKeytiles:getAsString
  name=title//c:setbean:message
  key=${titleKey}/
  tiles:get name=header/
  tiles:get name=message/
  tiles:get name=content/
  tiles:get name=navbar/
  /BODY
  .
  [/code]
  
  I got java.lang.IllegalArgumentException: can't
  parse
  argument number titleKey
  
  --- Jason Lea [EMAIL PROTECTED] wrote:

  
  If you are using JSTL you can do this:
  
  tile:useAttribute id=titleKey
  name=titlebean:message
  key=${titleKey}/
  
  if that doesn't work, try this:
  
  c:set var=titleKeytiles:getAsString
  name=title//c:setbean:message
  key=${titleKey}/
  
  
  
  Caroline Jen wrote:
  
  
  
  In general, the tile works fine for me except
 the
  title piece.
   
  [CODE]
  .
  BODY
  tiles:getAsString name=title/
  tiles:get name=header/
  tiles:get name=message/
  tiles:get name=content/
  tiles:get name=navbar/
  /BODY
  .
  [/CODE]
  
  In my tiles-def.xml, I have:
  
  [CODE]
definition name=.article.Menu
 extends=.article.Base
   put name=title
  value=article.Menu.title/
   put name=content  
  value=/article/content/menu.jsp/
   put name=navbar   
  value=/article/common/navbarMenu.jsp/
/definition
  [/CODE]
  
  The problem is that my application displays
  
  article.Menu.title
  
  in the browser, instead of going to the
 application.properties 
  (which is in the
 ApplicationRoot/WEB-INF/classes/resources folder)

  
  to
  
  
  get
  
  article.Menu.title=Registered Members
  
  What should I do?
  
  __
  Do you Yahoo!?
  Yahoo! Finance Tax Center - File online. File
 on

  
  time.
  
  
  http://taxes.yahoo.com/filing.html
 
=== message truncated ===


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Tile Problem

[Caroline Jen]

In general, the tile works fine for me except the
title piece.
  
[CODE]
.
BODY
tiles:getAsString name=title/
tiles:get name=header/
tiles:get name=message/
tiles:get name=content/
tiles:get name=navbar/
/BODY
.
[/CODE]

In my tiles-def.xml, I have:

[CODE]
   definition name=.article.Menu
extends=.article.Base
  put name=title
value=article.Menu.title/
  put name=content  
value=/article/content/menu.jsp/
  put name=navbar   
value=/article/common/navbarMenu.jsp/
   /definition
[/CODE]

The problem is that my application displays 

article.Menu.title

in the browser, instead of going to the
application.properties (which is in the
ApplicationRoot/WEB-INF/classes/resources folder) to
get 

article.Menu.title=Registered Members

What should I do?

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Re: Tile Problem

[Caroline Jen]

I tried both of your suggestions.  For example, I have

[code]
.
BODY
c:set var=titleKeytiles:getAsString 
name=title//c:setbean:message
key=${titleKey}/
tiles:get name=header/
tiles:get name=message/
tiles:get name=content/
tiles:get name=navbar/
/BODY
.
[/code]

I got java.lang.IllegalArgumentException: can't parse
argument number titleKey

--- Jason Lea [EMAIL PROTECTED] wrote:
 If you are using JSTL you can do this:
 
 tile:useAttribute id=titleKey
 name=titlebean:message 
 key=${titleKey}/
 
 if that doesn't work, try this:
 
 c:set var=titleKeytiles:getAsString 
 name=title//c:setbean:message
 key=${titleKey}/
 
 
 
 Caroline Jen wrote:
 
 In general, the tile works fine for me except the
 title piece.
   
 [CODE]
 .
 BODY
 tiles:getAsString name=title/
 tiles:get name=header/
 tiles:get name=message/
 tiles:get name=content/
 tiles:get name=navbar/
 /BODY
 .
 [/CODE]
 
 In my tiles-def.xml, I have:
 
 [CODE]
definition name=.article.Menu
 extends=.article.Base
   put name=title
 value=article.Menu.title/
   put name=content  
 value=/article/content/menu.jsp/
   put name=navbar   
 value=/article/common/navbarMenu.jsp/
/definition
 [/CODE]
 
 The problem is that my application displays 
 
 article.Menu.title
 
 in the browser, instead of going to the
 application.properties (which is in the
 ApplicationRoot/WEB-INF/classes/resources folder)
 to
 get 
 
 article.Menu.title=Registered Members
 
 What should I do?
 
 __
 Do you Yahoo!?
 Yahoo! Finance Tax Center - File online. File on
 time.
 http://taxes.yahoo.com/filing.html
 

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 To unsubscribe, e-mail:
 [EMAIL PROTECTED]
 For additional commands, e-mail:
 [EMAIL PROTECTED]
 
 
   
 
 
 
 -- 
 Jason Lea
 
 
 

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 [EMAIL PROTECTED]
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Retrieve a Variable From the DynaActionForm

[Caroline Jen]

In my Struts application, postForm is of the
DynaActionForm type:
DynaActionForm postForm = ( DynaActionForm )form;

Later on, I want to save one of the fields receiver,
which is a String, in the request context. Which is
the following is the correct syntax?

request.setAttribute( Receiver, postForm.get(
receiver) );

Or

request.setAttribute( Receiver, ( String
)postForm.get( receiver) ); 



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Which Directory Does the Configuration File Go?

[Caroline Jen]

I have code like:

private static final String OPTION_FILE_NAME =
mvnplugin_mvnforum_MVNForumConfig;

static 
{
   ResourceBundle res =
ResourceBundle.getBundle(OPTION_FILE_NAME);
   MVNFORUM_HOME =
res.getString(MVNFORUM_HOME).trim();
   WEBMASTER_EMAIL =
res.getString(WEBMASTER_EMAIL).trim();
   LOGO_URL = res.getString(LOGO_URL).trim();
   String supportedLocales =
res.getString(SUPPORTED_LOCALES).trim();
   SUPPORTED_LOCALE_NAMES =
StringUtil.getStringArray(supportedLocales, ;);
   .
   .
}

And mvnplugin_mvnforum_MVNForumConfig.properties is
a configuration file. Please advise regarding the
directory in which this properties file is supposed to
be for my code to read it properly.


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Where Do I Put This properties File (internationalization)

[Caroline Jen]

I am using Struts and internationalization.  I have
code like:

private static final String OPTION_FILE_NAME =
mvnplugin_mvnforum_MVNForumConfig;

static 
{
   ResourceBundle res =
ResourceBundle.getBundle(OPTION_FILE_NAME);
}

And mvnplugin_mvnforum_MVNForumConfig is a
properties file.  Please advice regarding the
directory in which this properties file is supposed to
be.


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Re: Looking for junior Java/Struts developers

[Caroline Jen]

I would like to give a try.  I live in Manassas, VA. 
Please find my resume in the Word format in the
attachment.

Caroline Jen
Tel: 703-369-3257
--- Yibing Li [EMAIL PROTECTED] wrote:
 Folks,
 
 We are actively looking for java/struts/jboss
 developers here at GNX
 (www.gnx.com). If you have one year of experience
 using java/struts or jboss
 and are willing to relocate to Herndon, VA, please
 send me your resume to
 [EMAIL PROTECTED],
 The salary is around $50k.
 
 Thanks,
 
 Yibing
 
 
 

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RE: All The Bean Properties Are Null in the Business Tier!!! (Used BeanUtils to Convert DynaValidatorForm)

[Caroline Jen]

Robert,  I followed your advices.  Your code works
very well.  I have successfully inserted all the
values of my bean properties into the database.  Thank
you very much.
--- Robert Taylor [EMAIL PROTECTED] wrote:
 The same problem exists, you are calling getters on
 a ThreadBean instance
 which has not yet been populated.
 
 
 Below three ways to accomplish your goal:
 
 METHOD 1:
 Try this (proxy):
 
 public final class ThreadHandler {
 
 MessageDAO md = new MySQLMessageDAO();
 
 public int insertThread(ThreadBean bean)
 throws throws MessageDAOSysException,
 ObjectNotFoundException {
 
   int identity = 0;
 
   md.createThread(bean.getReceiver(),
   bean.getSender(),
   bean.getThreadTopic(),
   bean.getThreadBody(),
   bean.getThreadCreationDate(),
   bean.getThreadViewCount(),
   bean.getThreadReplyCount());
 
   // get identity
 
   return identity;
 
 }
 
 
 }
 
 ThreadBean bean = new ThreadBean();
 BeanUtils.copyProperties(bean, postForm);
 ThreadHandler th = new ThreadHandler()
 th.insertThread(bean);
 
 If you do it this way, then it would be better if
 ThreadHandler was a
 singleton,
 but that's a different discussion :)
 
 
 
 
 METHOD 2:
 Another way to do it (design by composition).
 
 public final class ThreadHandler {
 
 MessageDAO md = new MySQLMessageDAO();
 ThreadBean bean;
 
 public ThreadHandler(ThreadBean bean) {
 
this.bean = bean;
 
 }
 public int insertThread()
 throws throws MessageDAOSysException,
 ObjectNotFoundException {
 
   int identity = 0;
 
   md.createThread(bean.getReceiver(),
   bean.getSender(),
   bean.getThreadTopic(),
   bean.getThreadBody(),
   bean.getThreadCreationDate(),
   bean.getThreadViewCount(),
   bean.getThreadReplyCount());
 
   // get identity
 
   return identity;
 
 }
 
 
 }
 
 ThreadBean bean = new ThreadBean();
 BeanUtils.copyProperties(bean, postForm);
 ThreadHandler th = new ThreadHandler(bean)
 th.insertThread();
 
 
 METHOD 3:
 Yet another way via classic inheritance:
 
 public final class ThreadHandler
   extends ThreadBean {
 
 MessageDAO md = new MySQLMessageDAO();
 
 
 public ThreadHandler() {
 
   super();
 
 }
 public int insertThread()
 throws throws MessageDAOSysException,
 ObjectNotFoundException {
 
   int identity = 0;
 
   md.createThread(this.getReceiver(),
   this.getSender(),
   this.getThreadTopic(),
   this.getThreadBody(),
   this.getThreadCreationDate(),
   this.getThreadViewCount(),
   this.getThreadReplyCount());
 
   // get identity
 
   return identity;
 
 }
 
 
 }
 
 ThreadHandler th = new ThreadHandler();
 BeanUtils.copyProperties(th, postForm);
 th.insertThread();
 
 
 
 hth,
 
 robert
 
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Thursday, January 08, 2004 11:48 AM
  To: Struts Users Mailing List
  Subject: RE: All The Bean Properties Are Null in
 the Business Tier!!!
  (Used BeanUtils to Convert DynaValidatorForm)
 
 
  Thank you for your comment, which is very helpful.
 
  Instead of extends ThreadBean, I now import the
  ThreadBean into my ThreadHandler class (see the
 code
  below). I am still getting all null or zero values
  from the bean.
 
  What is the proper way to do it?  I simply want to
  insert the value of all the properties into the
  database.  Most of the fields in my database
 require
  NOT NULL.
 
  code:
  ==
  import org.apache.artimus.message.ThreadBean;
 
  class ThreadHandler
  {
 ThreadBean threadBean = new ThreadBean();
 
 String receiver = threadBean.getReceiver();
 String sender = threadBean.getSender();
 String threadTopic = threadBean.getPostTopic();
 String threadBody = threadBean.getPostBody();
 Timestamp threadCreationDate =
  threadBean.getThreadCreationDate();
 int threadViewCount =
  threadBean.getThreadViewCount();
 int threadReplyCount =
  threadBean.getThreadReplyCount();
 
 MessageDAO md = new MySQLMessageDAO();
 public int insertThread( ThreadBean threadBean
 )
  throws
 MessageDAOSysException,
 

 ObjectNotFoundException
 
 {
System.out.println( The sender is  +
 sender +
  . );
System.out.println( The subject is  +
  threadTopic + . );
System.out.println( The creation date is 
 +
  threadCreationDate );
System.out.println( The number of replies
 are 
=== message truncated ===


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RE: All The Bean Properties Are Null in the Business Tier!!! (Used BeanUtils to Convert DynaValidatorForm)

[Caroline Jen]

Thank you for your comment, which is very helpful.

Instead of extends ThreadBean, I now import the
ThreadBean into my ThreadHandler class (see the code
below). I am still getting all null or zero values
from the bean.

What is the proper way to do it?  I simply want to
insert the value of all the properties into the
database.  Most of the fields in my database require
NOT NULL.  

code:
==
import org.apache.artimus.message.ThreadBean;

class ThreadHandler 
{
   ThreadBean threadBean = new ThreadBean();  

   String receiver = threadBean.getReceiver();
   String sender = threadBean.getSender();
   String threadTopic = threadBean.getPostTopic();
   String threadBody = threadBean.getPostBody();
   Timestamp threadCreationDate =
threadBean.getThreadCreationDate();
   int threadViewCount =
threadBean.getThreadViewCount();
   int threadReplyCount =
threadBean.getThreadReplyCount();

   MessageDAO md = new MySQLMessageDAO();
   public int insertThread( ThreadBean threadBean )
throws MessageDAOSysException,

   ObjectNotFoundException

   {
  System.out.println( The sender is  + sender +
. );  
  System.out.println( The subject is  +
threadTopic + . );
  System.out.println( The creation date is  +
threadCreationDate );
  System.out.println( The number of replies are 
+ threadReplyCount );

  md.createThread( receiver, sender, threadTopic, 
   threadBody, threadCreationDate,

   threadViewCount,   
   threadReplyCount ); 

  int threadID = 0;
  . 
  .
  return threadID;
   }
} 


--- Robert Taylor [EMAIL PROTECTED] wrote:
 Your code seems a bit confusing based upon what you
 want to
 achieve.
 
 If indeed you want ThreadHandler to inherit from
 ThreadBean,
 you should be able to do something like this:
 
 DynaActionForm postForm = ( DynaActionForm )form;
 ThreadHander = new ThreadHandler();
 BeanUtils.copyProperties( threadHandler, postForm );
 
 threadHandler.insertThread();
 
 
 The reason you are getting null and zero values in
 ThreadHandler
 is that you are populating a new instance of
 ThreadBean  here:
 
DynaActionForm postForm = ( DynaActionForm
 )form;
ThreadBean threadBean = new ThreadBean();
BeanUtils.copyProperties( threadBean, postForm
 );
 
 ... and then you get a new instance of ThreadHandler
 here:
 
ThreadHandler thandler = new ThreadHandler();
 
 At this point, ThreadHandler knows nothing of your
 populated
 instance of ThreadBean. Instead it is getting values
 from
 its own empty ThreadBean parent here:
 
  class ThreadHandler extends ThreadBean
  {
 String receiver = getReceiver();
 String sender = getSender();
 String threadTopic = getPostTopic();
 String threadBody = getPostBody();
 Timestamp threadCreationDate =
  getThreadCreationDate();
 int threadViewCount = getThreadViewCount();
 int threadReplyCount = getThreadReplyCount();
 
 .
 .
  }
 
 
 ...unless you do something like the following in
 ThreadHandler.insertThread():
 
 public int insertThread(ThreadBean bean) throws
 SomeException {
 
   this.receiver = bean.getReceiver();
   this.sender = bean.getSender();
   
 
   // insert code here
 
 
 
 }
 
 which from a design perspective, I'm not sure why
 you would want to do it
 this way.
 
 
 hth,
 
 robert
 
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Wednesday, January 07, 2004 10:27 PM
  To: Struts Users Mailing List
  Subject: RE: All The Bean Properties Are Null in
 the Business Tier!!!
  (Used BeanUtils to Convert DynaValidatorForm)
 
 
  I have narrowed down the problem.  Something went
  wrong in my business tier class
 (ThreadHandler.java).
  All the properties in the JavaBean are populated
  properly (I have checked).  The way I coded in the
  ThreadHandler class failed to retrieve the value
 of
  all the properties in the JavaBean
 (ThreadBean.java).
  All the values turned out to be null or 0.  Now,
 what
  is wrong with the code?
 
  class ThreadHandler extends ThreadBean
  {
 String receiver = getReceiver();
 String sender = getSender();
 String threadTopic = getPostTopic();
 String threadBody = getPostBody();
 Timestamp threadCreationDate =
  getThreadCreationDate();
 int threadViewCount = getThreadViewCount();
 int threadReplyCount = getThreadReplyCount();
 
 .
 .
  }
 
  To answer your question:
 
  1. Have you checked to make sure that the fields
 you
  expect actually exist in the form before calling
  BeanUtils.copyProperties()?
 
  Yes, I have printed out the contents of the JSP
 text
  fields in my action class, which is a servlet. 
 For
  example: System.out.println( the sender is  +
  postForm.get( sender ) );
 
  2. If so, have you checked to see if the data was
  copied properly just after

RE: All The Bean Properties Are Null in the Business Tier!!! (Used BeanUtils to Convert DynaValidatorForm)

[Caroline Jen]

Robert, you are absolutely right.  I am trying to
build a personal message inbox using Struts.  I use
the word Thread to represent a discussion topic.  My
ThreadHandler is a business tier class.  The word
Thread has nothing to do with the java.lang.Thread.

-Caroline
--- Robert Taylor [EMAIL PROTECTED] wrote:
 I don't think ThreadHandler represents a
 java.lang.Thread handler.
 I think it more or less is a business object to
 facilitate persistance.
 I think the use of the word Thread here is more
 representative of a
 forum discussion thread.
 
 I could be wrong though.
 
 robert
 
 
  -Original Message-
  From: Yee, Richard K,,DMDCWEST
 [mailto:[EMAIL PROTECTED]
  Sent: Thursday, January 08, 2004 12:00 PM
  To: 'Struts Users Mailing List'
  Subject: RE: All The Bean Properties Are Null in
 the Business Tier!!!
  (Used BeanUtils to Convert DynaValidatorForm)
 
 
  Caroline,
  May I ask why you are performing your database
 updates through a separate
  thread? It seems to be complicating your code.
 Creating lots of
  threads from
  within your web application is not a good practice
 if you want your app to
  scale well. Also, what happens if the update
 doesn't succeed? You have no
  way of notifying the user.
 
  The code:
  snip
 ThreadBean threadBean = new ThreadBean();
 
 String receiver = threadBean.getReceiver();
 String sender = threadBean.getSender();
  /snip
 
  is your problem unless your ThreadBean constructor
 can populate itself
  correctly with the desired values.
  If you must use threads, then you should be able
 to create a
  ThreadHandler,
  call a setter method on it and set you ThreadBean
 instance variable, and
  then call the run method on the ThreadHandler to
 start the thread.
 
  Regards,
 
  Richard
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Thursday, January 08, 2004 8:48 AM
  To: Struts Users Mailing List
  Subject: RE: All The Bean Properties Are Null in
 the Business
  Tier!!! (Used
  BeanUtils to Convert DynaValidatorForm)
 
 
  Thank you for your comment, which is very helpful.
 
  Instead of extends ThreadBean, I now import the
  ThreadBean into my ThreadHandler class (see the
 code
  below). I am still getting all null or zero values
  from the bean.
 
  What is the proper way to do it?  I simply want to
  insert the value of all the properties into the
  database.  Most of the fields in my database
 require
  NOT NULL.
 
  code:
  ==
  import org.apache.artimus.message.ThreadBean;
 
  class ThreadHandler
  {
 ThreadBean threadBean = new ThreadBean();
 
 String receiver = threadBean.getReceiver();
 String sender = threadBean.getSender();
 String threadTopic = threadBean.getPostTopic();
 String threadBody = threadBean.getPostBody();
 Timestamp threadCreationDate =
 threadBean.getThreadCreationDate();
 int threadViewCount =
  threadBean.getThreadViewCount();
 int threadReplyCount =
  threadBean.getThreadReplyCount();
 
 MessageDAO md = new MySQLMessageDAO();
 public int insertThread( ThreadBean threadBean
 )
  throws
 MessageDAOSysException,
 

 ObjectNotFoundException
 
 {
System.out.println( The sender is  +
 sender +
  . );
System.out.println( The subject is  +
  threadTopic + . );
System.out.println( The creation date is 
 + threadCreationDate );
System.out.println( The number of replies
 are 
  + threadReplyCount );
 
md.createThread( receiver, sender,
 threadTopic,
 threadBody,
 threadCreationDate,
 
 threadViewCount,
 threadReplyCount );
 
int threadID = 0;
.
.
return threadID;
 }
  }
 
 
  --- Robert Taylor [EMAIL PROTECTED] wrote:
   Your code seems a bit confusing based upon what
 you
   want to
   achieve.
  
   If indeed you want ThreadHandler to inherit from
   ThreadBean,
   you should be able to do something like this:
  
   DynaActionForm postForm = ( DynaActionForm
 )form; ThreadHander = new
   ThreadHandler(); BeanUtils.copyProperties(
 threadHandler, postForm );
  
   threadHandler.insertThread();
  
  
   The reason you are getting null and zero values
 in ThreadHandler
   is that you are populating a new instance of
   ThreadBean  here:
  
  DynaActionForm postForm = ( DynaActionForm
   )form;
  ThreadBean threadBean = new ThreadBean();
  BeanUtils.copyProperties( threadBean,
 postForm
   );
  
   ... and then you get a new instance of
 ThreadHandler
   here:
  
  ThreadHandler thandler = new
 ThreadHandler();
  
   At this point, ThreadHandler knows nothing of
 your
   populated
   instance of ThreadBean. Instead it is getting
 values
   from
   its own empty ThreadBean parent here:
  
class ThreadHandler extends ThreadBean
{
   String receiver = getReceiver

All The Bean Properties Are Null in the Business Tier!!! (Used BeanUtils to Convert DynaValidatorForm)

[Caroline Jen]

Hi, my program compiled OKay.  When I ran the
application, somehow, the properties of my
DynaValidatorForm are not passed from the action class
to the business tier and then to the data access tier.
 Please help me taking a look at what went wrong.   

It looks that the validation worked fine: 

form-bean
name=postForm
  
type=org.apache.struts.validator.DynaValidatorForm
   form-property
name=receiver
type=java.lang.String/
   form-property
name=sender
type=java.lang.String/
.
.
/form-bean
because when I intentionally left several of the text
fields blank and submitted my JSP form, an applet got
prompted showing something in those fields are
required.

In my action class (see below),  I used BeanUtils to
copy all the properties of the DynaValidatorForm to a
bean (ThreadBean): 

DynaActionForm postForm = ( DynaActionForm )form;
ThreadBean threadBean = new ThreadBean();
BeanUtils.copyProperties( threadBean, postForm );

I then added a number of properties with pre-defined
values to the ThreadBean in the Action class:

Timestamp now = DateUtil.getCurrentGMTTimestamp();
threadBean.setThreadCreationDate( now );
threadBean.setThreadViewCount( 0 );

I then called a method in a service class
ThreadHandler and passing threadBean as the parameter
of that method:

ThreadHandler thandler = new ThreadHandler();
threadID = thandler.insertThread( threadBean );

In the ThreadHandler class (see below), I first tried
to retrieve the values of those properties from the
ThreadBean.  I FOUND OUT ALL THOSE VALUES ARE NULL!

class ThreadHandler extends ThreadBean 
{
   int threadID = getThreadID();
   String receiver = getReceiver();
   String sender = getSender();
   Timestamp threadCreationDate =
getThreadCreationDate();
   int threadViewCount = getThreadViewCount();

   public ThreadHandler() {}

   MessageDAO md = new MySQLMessageDAO();

   public int insertThread( ThreadBean threadBean )
throws
MessageDAOSysException, ObjectNotFoundException
   {
  md.createThread( receiver, sender,   
   threadCreationDate, threadViewCount
);

  .
  .

  return threadID;
   }
}





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RE: All The Bean Properties Are Null in the Business Tier!!! (Used BeanUtils to Convert DynaValidatorForm)

[Caroline Jen]

What does BeanUtils.populate(); do?  I used
BeanUtils.copyProperties();
Does it make any difference?

--- Robert Taylor [EMAIL PROTECTED] wrote:
 Have you checked to make sure that the fields you
 expect
 actually exist in the form before calling
 BeanUtils.populate()?
 
 If so, have you checked to see if the data was
 copied properly 
 just after BeanUtils.populate()?
 
 BeanUtils.populate() uses reflection to copy
 properties.
 Are you usingproper JavaBeans naming convention?
 
 Try and isolate exactly where the data is getting
 lost.
 
 I use BeanUtils.populate() all the time with
 DynaForms and
 have no problems. Usually when I do, I find that my
 data member
 names don't correspond.
 
 robert
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Wednesday, January 07, 2004 1:42 PM
  To: [EMAIL PROTECTED]
  Subject: All The Bean Properties Are Null in the
 Business Tier!!! (Used
  BeanUtils to Convert DynaValidatorForm)
  
  
  Hi, my program compiled OKay.  When I ran the
  application, somehow, the properties of my
  DynaValidatorForm are not passed from the action
 class
  to the business tier and then to the data access
 tier.
   Please help me taking a look at what went wrong. 
  
  
  It looks that the validation worked fine: 
  
  form-bean
  name=postForm

 

type=org.apache.struts.validator.DynaValidatorForm
 form-property
  name=receiver
  type=java.lang.String/
 form-property
  name=sender
  type=java.lang.String/
  .
  .
  /form-bean
  because when I intentionally left several of the
 text
  fields blank and submitted my JSP form, an applet
 got
  prompted showing something in those fields are
  required.
  
  In my action class (see below),  I used BeanUtils
 to
  copy all the properties of the DynaValidatorForm
 to a
  bean (ThreadBean): 
  
  DynaActionForm postForm = ( DynaActionForm )form;
  ThreadBean threadBean = new ThreadBean();
  BeanUtils.copyProperties( threadBean, postForm );
  
  I then added a number of properties with
 pre-defined
  values to the ThreadBean in the Action class:
  
  Timestamp now = DateUtil.getCurrentGMTTimestamp();
  threadBean.setThreadCreationDate( now );
  threadBean.setThreadViewCount( 0 );
  
  I then called a method in a service class
  ThreadHandler and passing threadBean as the
 parameter
  of that method:
  
  ThreadHandler thandler = new ThreadHandler();
  threadID = thandler.insertThread( threadBean );
  
  In the ThreadHandler class (see below), I first
 tried
  to retrieve the values of those properties from
 the
  ThreadBean.  I FOUND OUT ALL THOSE VALUES ARE
 NULL!
  
  class ThreadHandler extends ThreadBean 
  {
 int threadID = getThreadID();
 String receiver = getReceiver();
 String sender = getSender();
 Timestamp threadCreationDate =
  getThreadCreationDate();
 int threadViewCount = getThreadViewCount();
  
 public ThreadHandler() {}
  
 MessageDAO md = new MySQLMessageDAO();
  
 public int insertThread( ThreadBean threadBean
 )
  throws
  MessageDAOSysException, ObjectNotFoundException
 {
md.createThread( receiver, sender,   
 threadCreationDate,
 threadViewCount
  );
  
.
.
  
return threadID;
 }
  }
  
  
  
  
  
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RE: All The Bean Properties Are Null in the Business Tier!!! (Used BeanUtils to Convert DynaValidatorForm)

[Caroline Jen]

I have narrowed down the problem.  Something went
wrong in my business tier class (ThreadHandler.java). 
All the properties in the JavaBean are populated
properly (I have checked).  The way I coded in the
ThreadHandler class failed to retrieve the value of
all the properties in the JavaBean (ThreadBean.java). 
All the values turned out to be null or 0.  Now, what
is wrong with the code?

class ThreadHandler extends ThreadBean 
{
   String receiver = getReceiver();
   String sender = getSender();
   String threadTopic = getPostTopic();
   String threadBody = getPostBody();
   Timestamp threadCreationDate =
getThreadCreationDate();
   int threadViewCount = getThreadViewCount();
   int threadReplyCount = getThreadReplyCount();
 
   .
   .
}

To answer your question:

1. Have you checked to make sure that the fields you
expect actually exist in the form before calling
BeanUtils.copyProperties()?

Yes, I have printed out the contents of the JSP text
fields in my action class, which is a servlet.  For
example: System.out.println( the sender is  +
postForm.get( sender ) );

2. If so, have you checked to see if the data was
copied properly just after BeanUtils.copyProperties()?

Yes, I have also printed out the value of the bean
properties.  For example: System.out.println( the
sender is  + threadBean.getSender() );

3. BeanUtils.copyProperties() uses reflection to copy
properties.  Are you using proper JavaBeans naming
convention?

Yes, I used a pair of get and set methods for each
properties in the JavaBean (ThreadBean.java).  And in
my action class, I could print out the value of those
properties.

--- Robert Taylor [EMAIL PROTECTED] wrote:
 Have you checked to make sure that the fields you
 expect
 actually exist in the form before calling
 BeanUtils.populate()?
 
 If so, have you checked to see if the data was
 copied properly 
 just after BeanUtils.populate()?
 
 BeanUtils.populate() uses reflection to copy
 properties.
 Are you usingproper JavaBeans naming convention?
 
 Try and isolate exactly where the data is getting
 lost.
 
 I use BeanUtils.populate() all the time with
 DynaForms and
 have no problems. Usually when I do, I find that my
 data member
 names don't correspond.
 
 robert
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Wednesday, January 07, 2004 1:42 PM
  To: [EMAIL PROTECTED]
  Subject: All The Bean Properties Are Null in the
 Business Tier!!! (Used
  BeanUtils to Convert DynaValidatorForm)
  
  
  Hi, my program compiled OKay.  When I ran the
  application, somehow, the properties of my
  DynaValidatorForm are not passed from the action
 class
  to the business tier and then to the data access
 tier.
   Please help me taking a look at what went wrong. 
  
  
  It looks that the validation worked fine: 
  
  form-bean
  name=postForm

 

type=org.apache.struts.validator.DynaValidatorForm
 form-property
  name=receiver
  type=java.lang.String/
 form-property
  name=sender
  type=java.lang.String/
  .
  .
  /form-bean
  because when I intentionally left several of the
 text
  fields blank and submitted my JSP form, an applet
 got
  prompted showing something in those fields are
  required.
  
  In my action class (see below),  I used BeanUtils
 to
  copy all the properties of the DynaValidatorForm
 to a
  bean (ThreadBean): 
  
  DynaActionForm postForm = ( DynaActionForm )form;
  ThreadBean threadBean = new ThreadBean();
  BeanUtils.copyProperties( threadBean, postForm );
  
  I then added a number of properties with
 pre-defined
  values to the ThreadBean in the Action class:
  
  Timestamp now = DateUtil.getCurrentGMTTimestamp();
  threadBean.setThreadCreationDate( now );
  threadBean.setThreadViewCount( 0 );
  
  I then called a method in a service class
  ThreadHandler and passing threadBean as the
 parameter
  of that method:
  
  ThreadHandler thandler = new ThreadHandler();
  threadID = thandler.insertThread( threadBean );
  
  In the ThreadHandler class (see below), I first
 tried
  to retrieve the values of those properties from
 the
  ThreadBean.  I FOUND OUT ALL THOSE VALUES ARE
 NULL!
  
  class ThreadHandler extends ThreadBean 
  {
 int threadID = getThreadID();
 String receiver = getReceiver();
 String sender = getSender();
 Timestamp threadCreationDate =
  getThreadCreationDate();
 int threadViewCount = getThreadViewCount();
  
 public ThreadHandler() {}
  
 MessageDAO md = new MySQLMessageDAO();
  
 public int insertThread( ThreadBean threadBean
 )
  throws
  MessageDAOSysException, ObjectNotFoundException
 {
md.createThread( receiver, sender,   
 threadCreationDate,
 threadViewCount
  );
  
.
.
  
return threadID;
 }
  }
  
  
  
  
  
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  Yahoo

Problem With Passing Properties of DynaValidatorForm to the Business Tier

[Caroline Jen]

Hi, my program compiled OKay.  When I ran the
application, somehow, the properties of my
DynaValidatorForm are not passed from the action class
to the business tier and then to the data access tier.
 Please help me taking a look at what went wrong.   

It looks that the validation worked fine: 

form-bean
name=postForm
  
type=org.apache.struts.validator.DynaValidatorForm
   form-property
name=receiver
type=java.lang.String/
   form-property
name=sender
type=java.lang.String/
.
.
/form-bean
because when I intentionally left several of the text
fields blank and submitted my JSP form, an applet got
prompted showing something in those fields are
required.

In my action class (see below),  I used BeanUtils to
copy all the properties of the DynaValidatorForm to a
bean (ThreadBean): 

DynaActionForm postForm = ( DynaActionForm )form;
ThreadBean threadBean = new ThreadBean();
BeanUtils.copyProperties( threadBean, postForm );

I then added a number of properties with pre-defined
values to the ThreadBean in the Action class:

Timestamp now = DateUtil.getCurrentGMTTimestamp();
threadBean.setThreadCreationDate( now );
threadBean.setThreadViewCount( 0 );

I then called a method in a service class
ThreadHandler and passing threadBean as the parameter
of that method:

ThreadHandler thandler = new ThreadHandler();
threadID = thandler.insertThread( threadBean );

In the ThreadHandler class, I first tried to get the
values of those properties out of the ThreadBean.  It
looked to me that the values of those properties are
not retrieved and passed to the data access tier.

class ThreadHandler extends ThreadBean 
{
   int threadID = getThreadID();
   String receiver = getReceiver();
   String sender = getSender();
   Timestamp threadCreationDate =
getThreadCreationDate();
   int threadViewCount = getThreadViewCount();

   public ThreadHandler() {}

   MessageDAO md = new MySQLMessageDAO();

   public int insertThread( ThreadBean threadBean )
throws
MessageDAOSysException, ObjectNotFoundException
   {
  md.createThread( receiver, sender,   
   threadCreationDate, readViewCount
);

  .
  .

  return threadID;
   }
}



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RE: Please Help - ClassCastException

[Caroline Jen]

I am still confused...

I have a jsp that provides text fields for user to
fill out information.  All the information is passed
via HttpRequest and to be validated.  And all the
properties in my PostForm are populated by the
information retrieved from those text fields.

And my PostForm is of
type=org.apache.struts.validator.DynaValidatorForm

Therefore, in my PostForm.java, I should do something
like this?  I just do not think the following code is
correct.

==
import org.apache.struts.validator.DynaValidatorForm;

public class PostForm extends DynaValidatorForm  {
 
private String receiver;
private String sender;

public void set(String receiver, String receiver);
public void set(String sender, String sender); 
public String get(String receiver, String
receiver);
public String get(String sender, String sender); 
}
==
And you are saying that in my action class, I should

...
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;

import org.apache.commons.beanutils.BeanUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.apache.artimus.message.PostForm;
import org.apache.artimus.message.PostBean;
import org.apache.artimus.message.ThreadBean;
import org.apache.artimus.message.utility.DateUtil;

public final class StoreMessage extends Action
{
   public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest
 request, 
HttpServletResponse
 response)
throws Exception 
   {
 
  int parentPostID;
  int threadID;
  String memberName = request.getRemoteUser();
  Timestamp now =
 DateUtil.getCurrentGMTTimestamp();
  parentPostID = Integer.parseInt(
 request.getParameter( parent ) );
 
  ActionForm postForm = ( ActionForm )form;
 
  ThreadHandler thandler = new ThreadHandler();

  ThreadBean threadBean = new ThreadBean();
  BeanUtils.copyProperties( threadBean, postForm
);

  if (parentPostID == 0 ) // new topic
  {
 threadBean.setLastPostMemberName( memberName
);
 threadBean.setThreadCreationDate( now );
 .
 .
  
 threadID = thandler.insertThread( threadBean
);
 
  }
   ...
   ...
   }
}

--- Joe Hertz [EMAIL PROTECTED] wrote:
 Well, first off:
 
 In your (dyna) form, you don't create setters and
 getters for the properties 
 though. With DynaForms you would say
 set(myPropertyName, myString) 
 instead of calling setMyPropertyName(myString).
 This is the Dyna part of 
 DynaForms. It's much less tedious IMHO.
 
 In your action, you absolutely want to cast the form
 to PostForm. Otherwise 
 the form variable has no way to know properties are
 associated with it. So 
 yes, once you cast it to PostForm calls to
 BeanUtils.copyProperties() can and 
 will work properly.
 
 Hope this helps,
 
 -Joe
 
 
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED] 
  Sent: Sunday, January 04, 2004 1:42 AM
  To: Struts Users Mailing List
  Subject: RE: Please Help - ClassCastException
  
  
  I think that there are a lot more mistakes in my
 code
  than I originally thought.  The root of the
 problem is
  that I do not know how to use DynaValidatorForm. 
 If
  you could help me in learning how to code when I
 am
  working with DynaValidatorForm.  
  
  1. in my struts-config.xml, I have:
  
   form-bean
  name=postForm 
   
 

type=org.apache.struts.validator.DynaValidatorForm
form-property
  name=receiver
  type=java.lang.String/
form-property
  name=sender
  type=java.lang.String/
.
.
  /form-bean
  
  2. My PostForm.java is like:
  
  import
 org.apache.struts.validator.DynaValidatorForm;
  import org.apache.struts.action.ActionMapping;
   
  public class PostForm extends DynaValidatorForm  {
   
  private String receiver;
  private String sender;
  ..
  
  public void setReceiver( String receiver )
  {
  this.receiver = receiver;
  }
  public void setSender( String sender ) 
  {
  this.sender = sender;
  }
  public String getReceiver() 
  {
  return receiver;
  }
  public String getSender() 
  {
  return sender;
  }
  .
  .
  }
  
  3. in my action class (see the code below)
  
  3.1. do I cast the form to DynaActionForm? or I
 should
  cast the form to DynaValidatorForm?
  
  3.2. Can I use the copyProperties() method of the
  BeanUtils to convert the form to a bean?
  
 BeanUtils.copyProperties

RE: Please Help - ClassCastException

[Caroline Jen]

Allow me to ask three more questions: 

1. If I want to reset some specific text fields when
the JSP is re-displayed, do I code the PostForm.java
like this (please confirm):

code:
-
import org.apache.struts.validator.DynaValidatorForm;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;
public class PostForm extends DynaValidatorForm  
{
   public void reset(ActionMapping mapping,
HttpServletRequest request)
   {
  super.reset( mapping, request );
  set( receiver, new String() );
  set( sender, new String() );
   }
   public PostForm () {}
}
---

2. if I want to reset all the text fields when the JSP
is re-displayed, do I code like this (please confirm):

code:
---
import org.apache.struts.validator.DynaValidatorForm;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest; 

public class PostForm extends DynaValidatorForm  
{   
   public void reset(ActionMapping mapping,
HttpServletRequest request)   
   {
   initialize( mapping );
   }
   public PostForm () {}
}
--


3. What is the difference between 

code:
---
form-bean  
   name=postForm  
   type=package.package.package.PostForm   
  form-property  
  name=receiver  
  type=java.lang.String/ 
  form-property
  name=sender   
  type=java.lang.String/ 
/form-bean
---

AND

code:
--
form-bean 
   name=postForm
type=org.apache.struts.validator.DynaValidatorForm 
  form-property
  name=receiver 
  type=java.lang.String/
  form-property   
  name=sender 
  type=java.lang.String/
/form-bean
---

Thank you very much.

--- Joe Hertz [EMAIL PROTECTED] wrote:
 Not at all.
 
 First off, set(String, String) is predefined for
 you. You don't need to 
 create any of that. In fact, what you will find in a
 DynaValidatorForm is 
 that your form classes start to get very sparse.
 Here's really what it could 
 look like.
 
 
 public class PostForm extends BaseDynaForm {
 
 
   public void reset(ActionMapping actionMapping,
 HttpServletRequest 
 httpServletRequest) {
   // throw new UnsupportedOperationException(Method
 is not 
 implemented);
   }
 
 public PostForm () {
}
 
 
 }
 
 In your ActionForm itself, beanUtils would work
 something like this. All you 
 need is to get the right formBean object. 
 
   public ActionForward  execute(ActionMapping
 mapping, ActionForm form, 
 HttpServletRequest request, HttpServletResponse
 response) throws Exception {
 
   PostForm pForm = (PostForm) form;
 
// other code you write here
 
   BeanUtils.copyProperties(yourBean, pForm);
 
 // etc
 
 Doing it yourself without beanUtils?
 
 Instead of calling getSender() and having a String
 returned, you call get
 (sender) and it will return an Object (cast it
 yourself to whatever type 
 the sender form property really is). I made a base
 form class with a 
 getString method that calls get() and does the
 String cast for me to save the 
 tediom.
 
 Making sense now?
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED] 
  Sent: Sunday, January 04, 2004 2:46 AM
  To: Struts Users Mailing List
  Subject: RE: Please Help - ClassCastException
  
  
  I am still confused...
  
  I have a jsp that provides text fields for user to
  fill out information.  All the information is
 passed
  via HttpRequest and to be validated.  And all the
  properties in my PostForm are populated by the
  information retrieved from those text fields.
  
  And my PostForm is of 
 

type=org.apache.struts.validator.DynaValidatorForm
  
  Therefore, in my PostForm.java, I should do
 something
  like this?  I just do not think the following code
 is
  correct.
  
 

==
  import
 org.apache.struts.validator.DynaValidatorForm;
  
  public class PostForm extends DynaValidatorForm  {
   
  private String receiver;
  private String sender;
  
  public void set(String receiver, String
 receiver);
  public void set(String sender, String sender);
 
  public String get(String receiver, String
  receiver);
  public String get(String sender, String
 sender); 
  }
 

==
  And you are saying that in my action class, I
 should
  
  ...
  import org.apache.struts.action.Action;
  import org.apache.struts.action.ActionForward;
  import

Please Help - ClassCastException

[Caroline Jen]

The statement shown below encountered a
ClassCastException:

  PostForm postForm = ( PostForm )form;

I cannot figure out the reason.  Please help.

Allow me to show more code of the class where the
exception occurred:

...

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import org.apache.commons.beanutils.BeanUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.artimus.message.PostBean;
import org.apache.artimus.message.ThreadBean;
import org.apache.artimus.message.utility.DateUtil;

public final class StoreMessage extends Action
{
   public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest
request,
HttpServletResponse
response)
throws Exception 
   {

  int parentPostID;
  int threadID;
  int postID;
  String postCreationIP;
  String memberName = request.getRemoteUser();
  Timestamp now =
DateUtil.getCurrentGMTTimestamp();

  parentPostID = Integer.parseInt(
request.getParameter( parent ) );

  PostForm postForm = ( PostForm )form;
 
 

   }
}

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Re: Please Help - ClassCastException

[Caroline Jen]

Thank you for trying to help.  I have added  
import org.apache.artimus.message.PostForm; 
to my action class.  I do not fully follow what I
should check in the struts-config.xml file.  And
should I use name=postForm with lowercase 'p' or
uppercase 'P'?

In my struts-config.xml file, I have:

 form-bean
name=postForm
  
type=org.apache.struts.validator.DynaValidatorForm
  form-property
name=receiver
type=java.lang.String/
  form-property
name=sender
type=java.lang.String/
  form-property
name=title
type=java.lang.String/
  form-property
name=postTopic
type=java.lang.String/  
  form-property
name=postBody
type=java.lang.String/
/form-bean

and 

action
roles=administrator,editor,contributor
path=/message/NewTopic
type=org.apache.artimus.message.StoreMessage
name=postForm
scope=request
validate=true
input=.message.Form
   forward
name=success
path=.article.View/
/action

Do you see any problems?
--- Pedro Salgado [EMAIL PROTECTED] wrote:
 
   On your struts config file check if the form bean
 for StoreMessage action
 is of type pkg.pkg.PostForm and if the action name
 is pointing to the
 correct form bean... It also seems to be missing the
 import of the PostForm
 on your action class.
 
 Pedro Salgado
 
 On 04/01/2004 03:22, Caroline Jen
 [EMAIL PROTECTED] wrote:
 
  The statement shown below encountered a
  ClassCastException:
  
  PostForm postForm = ( PostForm )form;
  
  I cannot figure out the reason.  Please help.
  
  Allow me to show more code of the class where the
  exception occurred:
  
  ...
  
  import org.apache.struts.action.Action;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.apache.struts.action.ActionForm;
  import org.apache.commons.beanutils.BeanUtils;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.artimus.message.PostBean;
  import org.apache.artimus.message.ThreadBean;
  import
 org.apache.artimus.message.utility.DateUtil;
  
  public final class StoreMessage extends Action
  {
   public ActionForward execute(ActionMapping
 mapping,
ActionForm form,
HttpServletRequest
  request,
HttpServletResponse
  response)
throws Exception
   {
  
  int parentPostID;
  int threadID;
  int postID;
  String postCreationIP;
  String memberName = request.getRemoteUser();
  Timestamp now =
  DateUtil.getCurrentGMTTimestamp();
  
  parentPostID = Integer.parseInt(
  request.getParameter( parent ) );
  
  PostForm postForm = ( PostForm )form;
  
  
  
   }
  }
  
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RE: Please Help - ClassCastException

[Caroline Jen]

I think that there are a lot more mistakes in my code
than I originally thought.  The root of the problem is
that I do not know how to use DynaValidatorForm.  If
you could help me in learning how to code when I am
working with DynaValidatorForm.  

1. in my struts-config.xml, I have:

 form-bean
name=postForm 
 
type=org.apache.struts.validator.DynaValidatorForm
  form-property
name=receiver
type=java.lang.String/
  form-property
name=sender
type=java.lang.String/
  .
  .
/form-bean

2. My PostForm.java is like:

import org.apache.struts.validator.DynaValidatorForm;
import org.apache.struts.action.ActionMapping;
 
public class PostForm extends DynaValidatorForm  {
 
private String receiver;
private String sender;
..

public void setReceiver( String receiver )
{
this.receiver = receiver;
}
public void setSender( String sender ) 
{
this.sender = sender;
}
public String getReceiver() 
{
return receiver;
}
public String getSender() 
{
return sender;
}
.
.
}

3. in my action class (see the code below)

3.1. do I cast the form to DynaActionForm? or I should
cast the form to DynaValidatorForm?

3.2. Can I use the copyProperties() method of the
BeanUtils to convert the form to a bean?

   BeanUtils.copyProperties( threadBean, postForm );

...
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.DynaActionForm;
import org.apache.commons.beanutils.BeanUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.artimus.message.PostForm;
import org.apache.artimus.message.PostBean;
import org.apache.artimus.message.ThreadBean;
import org.apache.artimus.message.utility.DateUtil;

public final class StoreMessage extends Action
{
   public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest
request,
HttpServletResponse
response)
throws Exception 
   {

  int parentPostID;
  int threadID;
  String memberName = request.getRemoteUser();
  Timestamp now =
DateUtil.getCurrentGMTTimestamp();
  parentPostID = Integer.parseInt(
request.getParameter( parent ) );

  DynaActionForm postForm = ( DynaActionForm
)form;

  ThreadHandler thandler = new ThreadHandler();

  ThreadBean threadBean = new ThreadBean();
  BeanUtils.copyProperties( threadBean, postForm
);

  if (parentPostID == 0 ) // new topic
  {
 threadBean.setLastPostMemberName( memberName
);
 threadBean.setThreadCreationDate( now );
 .
 .
 
 threadID = thandler.insertThread( threadBean
);

  }
   ...
   ...
   }
}

4. the action mapping in my struts-config.xml is like:
action
roles=administrator,editor,contributor
path=/message/NewTopic
type=org.apache.artimus.message.StoreMessage
name=postForm
scope=request
validate=true
input=.message.Form
   forward
name=success
path=.article.View/
/action

Thank you.
--- David Friedman [EMAIL PROTECTED] wrote:
 Here is what I see (opinions vary)...
 
 I see you are defining your form bean in your
 struts-config.xml as type
 'org.apache.struts.validator.DynaValidatorForm'. So,
 why are you trying to
 cast it as this
 'org.apache.artimus.message.PostForm' class.  Does
 that
 class extend DynaValidatorForm?  If it doesn't,
 you'll get a
 ClassCastException like you're getting now.  
 Personally, I expected you to
 cast it as:
 
 DynaValidatorForm postForm = (DynaValidatorForm)
 form;
 
 Or us it as-initially defined (not casting like
 above) and use BeanUtils
 such as:
 String receiver = (String)
 PropertyUtils.getSimpleProperty(form,
 receiver);
 
 Regards,
 David
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: Saturday, January 03, 2004 11:04 PM
 To: Struts Users Mailing List
 Subject: Re: Please Help - ClassCastException
 
 
 Thank you for trying to help.  I have added
 import org.apache.artimus.message.PostForm;
 to my action class.  I do not fully follow what I
 should check in the struts-config.xml file.  And
 should I use name=postForm with lowercase 'p' or
 uppercase 'P'?
 
 In my struts-config.xml file, I have:
 
  form-bean
 name=postForm
 

type=org.apache.struts.validator.DynaValidatorForm
   form-property
 name=receiver
 type=java.lang.String/
   form-property
 name=sender
 type=java.lang.String/
   form-property
 name

Bean As A Parameter In A Method - Compilation Error

[Caroline Jen]

I followed the MVC design.  I give the data access
activity (insertThread) to the ThreadHandler class. 
And a bean is passed as a parameter of the
insertThread method.  However, I got compilation error
saying that 

insertThread(java.lang.String, java.lang.String, ... ,
java.sql.Timastamp, int, ... ) cannto be applied to
the ThreadBean.
and the error complains the statement in my action
class:
threadID = thandler.insertThread( threadBean );

This is what I did in the action class:

ThreadHandler thandler = new ThreadHandler();
ThreadBean threadBean = new ThreadBean();
BeanUtils.copyProperties( threadBean, postForm );

if (parentPostID == 0 ) // new topic
{
   threadBean.setLastPostMemberName( memberName );
   threadBean.setThreadCreationDate( now );
   threadBean.setThreadViewCount( 0 );
   threadBean.setThreadReplyCount( 0 );

   threadID = thandler.insertThread( threadBean );
}

and this is what I did in the ThreadHandler class:

class ThreadHandler extends ThreadBean 
{
   String receiver = getReceiver();
   String sender = getSender();
   String title = getTitle();
   String lastPostMemberName =
getLastPostMemberName();
   String threadTopic = getThreadTopic();
   String threadBody = getThreadBody();
   Timestamp threadCreationDate =
getThreadCreationDate();
   int threadViewCount = getThreadViewCount();
   int threadReplyCount = getThreadReplyCount();

   public ThreadHandler() {}

   public int insertThread( String receiver, String
sender, String title, String lastPostMemberName,
String threadTopic, String threadBody, Timestamp
threadCreationDate, int threadViewCount, int
threadReplyCount ) throws MessageDAOSysException
   {  }
}

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How Do I Handle Two Action Forms

[Caroline Jen]

I am stuck and need your knowledge and experience.

When the button is my JSP is clicked, there are two
action forms involved, threadForm and postForm.

The threadForm is populated by hidden fields and text
fields that are passed from the JSP.  All the
properties of the threadForm are to be inserted into a
table in the database by the threadInsert() method and
this method returns a primitive int threadID. 

The properties in the postForm are also populated by
hidden fields and text fields that are passed from the
same JSP, except that the postForm has one additional
properties - threadID, which is obtained from the
insertion of the threadForm into the database. 
Thereafter, all the properties of the postForm are to
be inserted into another table in the database by the
postInsert() method.

How do I handle this situation?  Please help.

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Validation

[Caroline Jen]

One simple question - if my form bean is of the
DynaValidatorForm type in the struts-config.xml and
each propery of the form is specified in the
validation.xml, do I have to call the validate method
in the form bean?  E.g. Do I still have to do the
following in my form bean that extends the ActionForm?

public ActionErrors validate( ActionMapping mapping,
HttpServletRequest request ) 
{
   ActionErrors errors = new ActionErrors();
   if ( getSender() == null || getSender().length() 
1 ) 
   {
  errors.add( sender,new ActionError(
error.sender.required ) );
   }

   
   

}


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Form and Pass the Form to the Business Tier

[Caroline Jen]

My JSP provides several text fields for visitors to
fill out.  And my form bean stores those information;
for example:

public String getThreadTopic() {
return threadTopic;
}
public void setThreadTopic(String threadTopic) {
this.threadTopic = threadTopic;
}

public String getThreadBody() {
return threadBody;
}
public void setThreadBody(String threadBody) {
this.threadBody = threadBody;
}

However, I have to supply a number of additional
properties for the business tier to process.  For
example, the property threadType is to be assigned to
zero manually and the property parentPostID is to be
found from another class, how do I code them in the
form bean?  Do I use get methods shown below (without
set methods)? 

public int getThreadType() {
   return 0;
}

public int getParentPostID() {
   return ParamUtil.getParameterInt( request, parent
);
}

 



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Re: Form and Pass the Form to the Business Tier

[Caroline Jen]

Thank you for your response.

According to my understanding of your advice, if I
want to pass a hidden field from JSP to a form bean, I
must have name=myFormName in the JSP's html:hidden
  tag?  Please confirm.

Another additional property that is to be assigned a
value in my form bean is now with Timestamp type. 
Do I code this way in my form bean class?  Please
confirm:

pubic Timestamp getNow() {
   return DateUtil.getCurrentGMTTimestamp():
}

-Caroline
--- David Erickson [EMAIL PROTECTED] wrote:
 
  However, I have to supply a number of additional
  properties for the business tier to process.  For
  example, the property threadType is to be assigned
 to
  zero manually and the property parentPostID is to
 be
  found from another class, how do I code them in
 the
  form bean?  Do I use get methods shown below
 (without
  set methods)?
 
  public int getThreadType() {
 return 0;
  }
 
 This is fine I assume.
 
  public int getParentPostID() {
 return ParamUtil.getParameterInt( request,
 parent
  );
  }
 
 This wouldn't work properly.  I would make a setter
 for parentPostID and in
 the jsp write something like:
 html:hidden name=yourformname
 property=parentPostID value=%=
 request.getParameter(parent)%/
 
 HTH,
 David
 
 
 

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Is Hidden Field Passed As a String?

[Caroline Jen]

I am passing a hidden field from my JSP to my form
bean:

html:hidden name=postForm property=parent
value=0/

Is the property parent considered a String in the
form bean?  Do I have to use 

BeanUtils.copyProperties( postDTO, postForm );

to convert that property to a primitive type int?

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RE: How To Output the Value of a String That Is Passed From Another JSP?

[Caroline Jen]

Thank you for your time and support.  It is the JSTL
taglib directive I missed in my page.  Now, everything
works as expected.
--- Robert Taylor [EMAIL PROTECTED] wrote:
 I bet your missing the JSTL taglib directive in your
 page.
 Try adding 
 %@ taglib uri=http://java.sun.com/jsp/jstl/core;
 prefix=c % 
 and then your c:x .../ actions will work.
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Wednesday, December 17, 2003 9:45 PM
  To: Struts Users Mailing List
  Subject: RE: How To Output the Value of a String
 That Is Passed From
  Another JSP?
  
  
  Thanks for your advice.  I did this in my
 view.jsp:
  
  html:form action=/list/Message
  c:set var=cr value=${articleForm.creator}
  scope=session/
  c:out value=${cr}/
  html:submitView/Send Messages/html:submit
  /html:form
  bean:write name=articleForm
 property=creator/
  
  I was able to see the View/Send Messages button
  displayed.  And the bean:write name=articleForm
  property=creator/ also wrote out the value of
 the
  property creator.
  
  Now, the question is 
  
  1. why the c:set var=cr
  value=${articleForm.creator} scope=session/
 did
  not put the value in the session scope?  
  
  2. What is wrong with the c:set   tag?  
  
  3. What should I do if I want to put the value of
  creator in a session scope?
  
  -C
  
  
  --- Robert Taylor [EMAIL PROTECTED] wrote:
   Are you sure that c:set var=cr
   value=${articleForm.creator}
   scope=session/
   is placing the value in the intended scope?
   
   Try doing this:
   
   html:form action=/list/Message
   c:set var=cr
   value=${articleForm.creator}scope=session/
   c:out value=${cr}/
   html:submitView/Send Messages/html:submit
   /html:form
   
   To make sure it is actually putting the value in
   session scope.
   
   If so, then on postForm.jsp try using scriplets
 to
   make sure that
   the value can be accessed. If it can, then do
 you
   have all of your
   tag library directives in your pages?
   
   robert
   
-Original Message-
From: Caroline Jen
 [mailto:[EMAIL PROTECTED]
Sent: Wednesday, December 17, 2003 8:40 PM
To: Struts Users Mailing List
Subject: RE: How To Output the Value of a
 String
   That Is Passed From
Another JSP?
   
   
cr is not a form and there is no action
   involved.
There are two JSPs; view.jsp and postForm.jsp
 and
   each
is with its own form (different forms).
   
In my view.jsp, I am able to write out String
   creator
this way:
bean:write name=articleForm
   property=creator/
and I put the String creator in a session
 object:
   
   html:form action=/list/Message
   c:set var=cr
 value=${articleForm.creator}
scope=session/
   html:submitView/Send
 Messages/html:submit
   /html:form
   
and in the postForm.jsp, I retrieve the String
 and
   try
to write it out in a text field:
   
  bean:define id=author name=cr
scope=session type=java.lang.String/
  html:text property=creator
value=%=author% size=82 maxlength=25
tabindex=1/
   
I got this error message:
ServletException
 in:/article/content/postForm.jsp]
 Cannot find bean cr in scope session'
   
-Caroline
--- David Friedman [EMAIL PROTECTED]
 wrote:
 Caroline,

 How do you save the form cr in session
 scope?
 Does your action use 'scope=session' or
 are
   you
 doing a

 'request.getSession().setAttribute(cr,cr);'
 in the first action?

 Regards,
 David

 -Original Message-
 From: Caroline Jen
 [mailto:[EMAIL PROTECTED]
 Sent: Wednesday, December 17, 2003 8:25 PM
 To: Struts Users Mailing List
 Subject: RE: How To Output the Value of a
 String
 That Is Passed From
 Another JSP?


 Hi, my JSP#1 and JSP#2 use different forms.
 However,
 property name in JSP#1 is the same as that
 in
   JSP#2.

 I tried to pass this Sring and write it out
 in a
 text
 field in JSP#2 and just could not get it
 right. 
   I
 got
 this error
 message:

 [ServletException
   in:/article/content/postForm.jsp]
 Cannot find bean cr in scope session'

 In my view.jsp, I put a String in a session
   object:

html:form action=/list/Message
c:set var=cr
   value=${articleForm.creator}
 scope=session/
html:submitView/Send
 Messages/html:submit
/html:form

 And in postForm.jsp, I tried to retrieve
 that
   String
 and write it out in a text field this way:

   bean:define id=author name=cr
 scope=session type=java.lang.String/
   html:text property=creator
 value=%=author% size=82 maxlength=25
 tabindex=1/

 -Caroline

 --- Robert Taylor [EMAIL PROTECTED]
 wrote:
 
=== message truncated ===


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Re: Please Help With This Error Message

[Caroline Jen]

Hi, I tried and tried.  I cannot figure out the error.
 I need your sharp eyes and experience.  I keep
getting this error message in the browser:

ServletException in:/article/content/postForm.jsp]
/article/content/postForm.jsp(32,67) equal symbol
expected' 

This postForm.jsp had worked find before I inserted:

bean:define id=author name=cr scope=session
type=java.lang.String/
html:text property=creator value=bean:write
name=author/ size=82 maxlength=25
tabindex=1/

And the error message points at the bean:define ...
tag.  The statements are in ONE line (they do not
wrapped around) in my file.

cr is passed to the postForm.jsp in a session object
this way:

c:set var=cr value=${articleForm.creator}
scope=session/ 

Thanks a lot.

-C 
--- Firat TIRYAKI [EMAIL PROTECTED] wrote:
 maybe you don't have a space character between
 creator and scope... try to
 write the tag in one line, not multiple lines.
 
 F.
 
 - Original Message - 
 From: fredatwork [EMAIL PROTECTED]
 To: 'Struts Users Mailing List'
 [EMAIL PROTECTED]
 Sent: Wednesday, December 17, 2003 8:53 AM
 Subject: RE: Please Help With This Error Message
 
 
 Your statement is OK. It comes from the surrounding
 quote.
 
 The only idea I have is to check double-quotes
 correctly.
 
 Fred
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: mercredi 17 décembre 2003 07:41
 To: [EMAIL PROTECTED]
 Subject: Please Help With This Error Message
 
 Please help me to figure out this error message that
 I
 got in the browser: equal symbol expected.
 
 The error complains about this statement in my JSP:
 bean:define id=author name=creator
 scope=session type=java.lang.String/
 
 and the above statement is intended to retrieve the
 string creator from a session object.
 
 
 
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Error When Trying to Pass A String From One JSP To Another JSP

[Caroline Jen]

Please help me.  I have tried to do it for days.  I
just could not get it right.  I got this error
message:

[ServletException in:/article/content/postForm.jsp]
Cannot find bean cr in scope session' 

In my view.jsp, I put a String in a session object:

   html:form action=/list/Message
   c:set var=cr value=${articleForm.creator}
scope=session/
   html:submitView/Send Messages/html:submit
   /html:form

And in postForm.jsp, I tried to retrieve that String
and write it out in a text field:

  bean:define id=author name=cr
scope=session type=java.lang.String/
  html:text property=creator
value=%=author% size=82 maxlength=25
tabindex=1/




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RE: How To Output the Value of a String That Is Passed From Another JSP?

[Caroline Jen]

Hi, my JSP#1 and JSP#2 use different forms.  However,
property name in JSP#1 is the same as that in JSP#2. 
I tried to pass this Sring and write it out in a text
field in JSP#2 and just could not get it right.  I got
this error
message:

[ServletException in:/article/content/postForm.jsp]
Cannot find bean cr in scope session' 

In my view.jsp, I put a String in a session object:

   html:form action=/list/Message
   c:set var=cr value=${articleForm.creator}
scope=session/
   html:submitView/Send Messages/html:submit
   /html:form

And in postForm.jsp, I tried to retrieve that String
and write it out in a text field this way:

  bean:define id=author name=cr
scope=session type=java.lang.String/
  html:text property=creator
value=%=author% size=82 maxlength=25
tabindex=1/

-Caroline
 
--- Robert Taylor [EMAIL PROTECTED] wrote:
 There are a couple (3) ways to do it.
 
 1. Have both JSP#1 and 2 use the same form then have
 the action that
 processes JSP#1 simply
 forward to JSP#2 and Struts will auto-populate the
 field.
 
 2. Have the action that processes JSP#1 forward or
 redirect to
JSP#2 whose form has the same property name.
 Place the create property
value in the query string and Struts will
 auto-populate the form
in JSP#2.
 
 3. Have the action that processes JSP#1 access and
 populate the form used
in JSP#2 with the property then forward to JSP#2.
 
 robert
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Tuesday, December 16, 2003 8:33 PM
  To: [EMAIL PROTECTED]
  Subject: How To Output the Value Of a Hidden
 Field?
 
 
  My JSP #2 receives a hidden field passed from JSP
 #1:
  html:hidden property=creator/
 
  In the JSP #2, I have a text field:
  html:text property=creator size=82
 maxlength=25
  tabindex=1/
 
  and I want the value of the hidden field to be the
  text in the text field of the JSP #2.  Please
 advise
  how to do it?
 
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RE: How To Output the Value of a String That Is Passed From Another JSP?

[Caroline Jen]

cr is not a form and there is no action involved. 
There are two JSPs; view.jsp and postForm.jsp and each
is with its own form (different forms).

In my view.jsp, I am able to write out String creator
this way:
bean:write name=articleForm property=creator/
and I put the String creator in a session object: 

   html:form action=/list/Message
   c:set var=cr value=${articleForm.creator}
scope=session/
   html:submitView/Send Messages/html:submit
   /html:form

and in the postForm.jsp, I retrieve the String and try
to write it out in a text field:

  bean:define id=author name=cr
scope=session type=java.lang.String/
  html:text property=creator
value=%=author% size=82 maxlength=25
tabindex=1/

I got this error message:
ServletException in:/article/content/postForm.jsp]
 Cannot find bean cr in scope session' 

-Caroline
--- David Friedman [EMAIL PROTECTED] wrote:
 Caroline,
 
 How do you save the form cr in session scope?
 Does your action use 'scope=session' or are you
 doing a
 'request.getSession().setAttribute(cr,cr);'
 in the first action?
 
 Regards,
 David
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: Wednesday, December 17, 2003 8:25 PM
 To: Struts Users Mailing List
 Subject: RE: How To Output the Value of a String
 That Is Passed From
 Another JSP?
 
 
 Hi, my JSP#1 and JSP#2 use different forms. 
 However,
 property name in JSP#1 is the same as that in JSP#2.
 
 I tried to pass this Sring and write it out in a
 text
 field in JSP#2 and just could not get it right.  I
 got
 this error
 message:
 
 [ServletException in:/article/content/postForm.jsp]
 Cannot find bean cr in scope session' 
 
 In my view.jsp, I put a String in a session object:
 
html:form action=/list/Message
c:set var=cr value=${articleForm.creator}
 scope=session/
html:submitView/Send Messages/html:submit
/html:form
 
 And in postForm.jsp, I tried to retrieve that String
 and write it out in a text field this way:
 
   bean:define id=author name=cr
 scope=session type=java.lang.String/
   html:text property=creator
 value=%=author% size=82 maxlength=25
 tabindex=1/
 
 -Caroline
  
 --- Robert Taylor [EMAIL PROTECTED] wrote:
  There are a couple (3) ways to do it.
  
  1. Have both JSP#1 and 2 use the same form then
 have
  the action that
  processes JSP#1 simply
  forward to JSP#2 and Struts will auto-populate the
  field.
  
  2. Have the action that processes JSP#1 forward or
  redirect to
 JSP#2 whose form has the same property name.
  Place the create property
 value in the query string and Struts will
  auto-populate the form
 in JSP#2.
  
  3. Have the action that processes JSP#1 access and
  populate the form used
 in JSP#2 with the property then forward to
 JSP#2.
  
  robert
  
   -Original Message-
   From: Caroline Jen [mailto:[EMAIL PROTECTED]
   Sent: Tuesday, December 16, 2003 8:33 PM
   To: [EMAIL PROTECTED]
   Subject: How To Output the Value Of a Hidden
  Field?
  
  
   My JSP #2 receives a hidden field passed from
 JSP
  #1:
   html:hidden property=creator/
  
   In the JSP #2, I have a text field:
   html:text property=creator size=82
  maxlength=25
   tabindex=1/
  
   and I want the value of the hidden field to be
 the
   text in the text field of the JSP #2.  Please
  advise
   how to do it?
  
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 sharing.
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RE: How To Output the Value of a String That Is Passed From Another JSP?

[Caroline Jen]

Thanks for your advice.  I did this in my view.jsp:

html:form action=/list/Message
c:set var=cr value=${articleForm.creator}
scope=session/
c:out value=${cr}/
html:submitView/Send Messages/html:submit
/html:form
bean:write name=articleForm property=creator/

I was able to see the View/Send Messages button
displayed.  And the bean:write name=articleForm
property=creator/ also wrote out the value of the
property creator.

Now, the question is 

1. why the c:set var=cr
value=${articleForm.creator} scope=session/ did
not put the value in the session scope?  

2. What is wrong with the c:set   tag?  

3. What should I do if I want to put the value of
creator in a session scope?

-C


--- Robert Taylor [EMAIL PROTECTED] wrote:
 Are you sure that c:set var=cr
 value=${articleForm.creator}
 scope=session/
 is placing the value in the intended scope?
 
 Try doing this:
 
 html:form action=/list/Message
 c:set var=cr
 value=${articleForm.creator}scope=session/
 c:out value=${cr}/
 html:submitView/Send Messages/html:submit
 /html:form
 
 To make sure it is actually putting the value in
 session scope.
 
 If so, then on postForm.jsp try using scriplets to
 make sure that
 the value can be accessed. If it can, then do you
 have all of your
 tag library directives in your pages?
 
 robert
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Wednesday, December 17, 2003 8:40 PM
  To: Struts Users Mailing List
  Subject: RE: How To Output the Value of a String
 That Is Passed From
  Another JSP?
 
 
  cr is not a form and there is no action
 involved.
  There are two JSPs; view.jsp and postForm.jsp and
 each
  is with its own form (different forms).
 
  In my view.jsp, I am able to write out String
 creator
  this way:
  bean:write name=articleForm
 property=creator/
  and I put the String creator in a session object:
 
 html:form action=/list/Message
 c:set var=cr value=${articleForm.creator}
  scope=session/
 html:submitView/Send Messages/html:submit
 /html:form
 
  and in the postForm.jsp, I retrieve the String and
 try
  to write it out in a text field:
 
bean:define id=author name=cr
  scope=session type=java.lang.String/
html:text property=creator
  value=%=author% size=82 maxlength=25
  tabindex=1/
 
  I got this error message:
  ServletException in:/article/content/postForm.jsp]
   Cannot find bean cr in scope session'
 
  -Caroline
  --- David Friedman [EMAIL PROTECTED] wrote:
   Caroline,
  
   How do you save the form cr in session scope?
   Does your action use 'scope=session' or are
 you
   doing a
   'request.getSession().setAttribute(cr,cr);'
   in the first action?
  
   Regards,
   David
  
   -Original Message-
   From: Caroline Jen [mailto:[EMAIL PROTECTED]
   Sent: Wednesday, December 17, 2003 8:25 PM
   To: Struts Users Mailing List
   Subject: RE: How To Output the Value of a String
   That Is Passed From
   Another JSP?
  
  
   Hi, my JSP#1 and JSP#2 use different forms.
   However,
   property name in JSP#1 is the same as that in
 JSP#2.
  
   I tried to pass this Sring and write it out in a
   text
   field in JSP#2 and just could not get it right. 
 I
   got
   this error
   message:
  
   [ServletException
 in:/article/content/postForm.jsp]
   Cannot find bean cr in scope session'
  
   In my view.jsp, I put a String in a session
 object:
  
  html:form action=/list/Message
  c:set var=cr
 value=${articleForm.creator}
   scope=session/
  html:submitView/Send Messages/html:submit
  /html:form
  
   And in postForm.jsp, I tried to retrieve that
 String
   and write it out in a text field this way:
  
 bean:define id=author name=cr
   scope=session type=java.lang.String/
 html:text property=creator
   value=%=author% size=82 maxlength=25
   tabindex=1/
  
   -Caroline
  
   --- Robert Taylor [EMAIL PROTECTED] wrote:
There are a couple (3) ways to do it.
   
1. Have both JSP#1 and 2 use the same form
 then
   have
the action that
processes JSP#1 simply
forward to JSP#2 and Struts will auto-populate
 the
field.
   
2. Have the action that processes JSP#1
 forward or
redirect to
   JSP#2 whose form has the same property
 name.
Place the create property
   value in the query string and Struts will
auto-populate the form
   in JSP#2.
   
3. Have the action that processes JSP#1 access
 and
populate the form used
   in JSP#2 with the property then forward to
   JSP#2.
   
robert
   
 -Original Message-
 From: Caroline Jen
 [mailto:[EMAIL PROTECTED]
 Sent: Tuesday, December 16, 2003 8:33 PM
 To: [EMAIL PROTECTED]
 Subject: How To Output the Value Of a Hidden
Field?


 My JSP #2 receives a hidden field passed
 from
   JSP
#1:
 html:hidden property=creator/

 In the JSP #2, I have a text field:
 html:text property=creator size=82
maxlength=25
 tabindex=1

RE: How To Output the Value of a String That Is Passed From Another JSP?

[Caroline Jen]

Hi, thank you for your attention to my problem.  First
all, I think that I am missing someting.  In order to
use the c:set  and c:out ...  tags, I think
that I have to import a taglib into my JSP and assign
it with a prefix c.  Which taglib should I import? 
Right now, I have these:

%@ taglib uri=/tags/struts-html prefix=html %
%@ taglib uri=/tags/struts-bean prefix=bean %
%@ taglib uri=/tags/struts-logic prefix=logic %
%@ taglib uri=/tags/tiles prefix=tiles %
%@ taglib uri=/tags/request prefix=req %

Second, 

html:form action=/list/Message
c:set var=cr value=${articleForm.creator}
scope=session/
c:out value=${cr}/
html:submitView/Send Messages/html:submit
/html:form
%-- The statement below has no problem to write on
the value --%
bean:write name=articleForm property=creator/

Third, the mapping to the next JSP is:

action
roles=administrator,editor,contributor
path=/list/Message
forward=.message.Form
name=postForm
scope=session
validate=false/

Fourth, in the postForm.jsp, I try to retrieve the
value of the String that is passed in a session object
and print it out in a text field:

bean:define id=author name=cr scope=session
type=java.lang.String/
html:text property=creator value=%=author%
size=82 maxlength=25 tabindex=1/

Fifth, the error message is that cr cannot be found
in the session scope.

-Caroline

--- Robert Taylor [EMAIL PROTECTED] wrote:
 What exactly are you trying to accomplish? What's
 the
 high level view?
 
 If you can explain your intent, maybe we can suggest
 an easier
 way to accomplish your goal.
 
 Is articleForm associated with action mapping
 /list/Message?
 If so, then you could do something like:
 
 html:form action=/list/Message
 html:hidden property=creator/
 html:submitView/Send Messages/html:submit
 /html:form
 
 This of course, assumes you have already populated
 creator in
 articleForm in some other action using the same
 form.
 
 
 The action with mapping /list/Message, which
 processes articleForm could
 do something like:
 
 MyForm articleForm = (MyForm) form;
 String creator = articleForm.getCreator();
 request.getSession().setAttribute(creator,
 creator);
 return mapping.findForward(success);
 
 
 In JSP#2 you could do something like this:
 c:out value=${creator}/
 
 robert
 
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Wednesday, December 17, 2003 8:25 PM
  To: Struts Users Mailing List
  Subject: RE: How To Output the Value of a String
 That Is Passed From
  Another JSP?
 
 
  Hi, my JSP#1 and JSP#2 use different forms. 
 However,
  property name in JSP#1 is the same as that in
 JSP#2.
  I tried to pass this Sring and write it out in a
 text
  field in JSP#2 and just could not get it right.  I
 got
  this error
  message:
 
  [ServletException
 in:/article/content/postForm.jsp]
  Cannot find bean cr in scope session'
 
  In my view.jsp, I put a String in a session
 object:
 
 html:form action=/list/Message
 c:set var=cr value=${articleForm.creator}
  scope=session/
 html:submitView/Send Messages/html:submit
 /html:form
 
  And in postForm.jsp, I tried to retrieve that
 String
  and write it out in a text field this way:
 
bean:define id=author name=cr
  scope=session type=java.lang.String/
html:text property=creator
  value=%=author% size=82 maxlength=25
  tabindex=1/
 
  -Caroline
 
  --- Robert Taylor [EMAIL PROTECTED] wrote:
   There are a couple (3) ways to do it.
  
   1. Have both JSP#1 and 2 use the same form then
 have
   the action that
   processes JSP#1 simply
   forward to JSP#2 and Struts will auto-populate
 the
   field.
  
   2. Have the action that processes JSP#1 forward
 or
   redirect to
  JSP#2 whose form has the same property name.
   Place the create property
  value in the query string and Struts will
   auto-populate the form
  in JSP#2.
  
   3. Have the action that processes JSP#1 access
 and
   populate the form used
  in JSP#2 with the property then forward to
 JSP#2.
  
   robert
  
-Original Message-
From: Caroline Jen
 [mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 16, 2003 8:33 PM
To: [EMAIL PROTECTED]
Subject: How To Output the Value Of a Hidden
   Field?
   
   
My JSP #2 receives a hidden field passed from
 JSP
   #1:
html:hidden property=creator/
   
In the JSP #2, I have a text field:
html:text property=creator size=82
   maxlength=25
tabindex=1/
   
and I want the value of the hidden field to be
 the
text in the text field of the JSP #2.  Please
   advise
how to do it?
   
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 sharing.
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Hidden Field

[Caroline Jen]

I tried to create a variable, assign a value to that
variable, and pass the variable as a hidden field. 
What I did was:

html:hidden property=parent value=0

Why do I get this error message in the browser?
'According to TLD, tag html:hidden must be empty, but
is not'

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How To Output the Value Of a Hidden Field?

[Caroline Jen]

My JSP #2 receives a hidden field passed from JSP #1:
html:hidden property=creator/

In the JSP #2, I have a text field:
html:text property=creator size=82 maxlength=25
tabindex=1/

and I want the value of the hidden field to be the
text in the text field of the JSP #2.  Please advise
how to do it?

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Please Help With This Error Message

[Caroline Jen]

Please help me to figure out this error message that I
got in the browser: equal symbol expected.

The error complains about this statement in my JSP:
bean:define id=author name=creator
scope=session type=java.lang.String/

and the above statement is intended to retrieve the
string creator from a session object.



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Form and Session

[Caroline Jen]

The statement below in my JSP can write out the value
of the creator property in the articleForm:

bean:write name=articleForm property=creator/

I want to pass the value of the creator in a session
object.  What should I do in my JSP? 

% 
String creator = (String)articleForm.getCreator;
session.setAttribute(creator, creator);
%

Or, can I pass articleForm in a session object?
% session.setAttribute(articleForm, articleForm);%
   



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RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

Hi, I think that we are in different time zones.

As you have mentioned, I, too, suspected that the
statement in my JSP:

request.getRemoteUser(); 

returns nothing.  Therefore, I did a test in my JSP. 
In addition to request.getRemoteUser(); I created
another String manually:

req:isUserInRole role=editor
% 
   String username = request.getRemoteUser(); 
   String userrole = author; 
%   
% out.println(The user name is:  + username +.);
%
% out.println(The role is:  + userrole +.); %
/req:isUserInRole

And the browser shows:

The user name is: Gloria Jen.  The role is: author. 

Gloria Jen is the name that I provided while logging
on and authenticated by the container.  Therefore, the
request.getRemoteUser(); does not return a null.  And
I hope that it means I am not passing a null value
when I use the hidden field technique.

Then, I pass two hidden fields (with value in them)
from my JSP to a Java class (FindEditorData.java),
which is of scaffold.ProcessAction type.  One of the
field is passed with its value correctly retrieved. 
The other field is passed with its value found to be
null.

What could go wrong?  I have been thinking about it
for days and so do those who try to help me.  

req:isUserInRole role=editor
html:form action=/find/Category
% 
   String username = request.getRemoteUser(); 
   String userrole = author; 
%   
%out.println(The user name is:  + username +.);%
%out.println(The role is:  + userrole +.);%
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/html:form
/req:isUserInRole 

-Caroline
--- Yee, Richard K,,DMDCWEST
[EMAIL PROTECTED] wrote:
 Caroline,
 Imposible? Look at the HTML that is generated by the
 JSP page. I think you
 will see that it returns null.
 Take a look at the JavaDoc for
 HttpServletRequest.getRemoteUser();
 
 getRemoteUser
 public java.lang.String getRemoteUser()
 Returns the login of the user making this request,
 if the user has been
 authenticated, or null if the user has not been
 authenticated. Whether the
 user name is sent with each subsequent request
 depends on the browser and
 type of authentication. Same as the value of the CGI
 variable REMOTE_USER.
 
 Returns: a String specifying the login of the user
 making this request, or
 null 
 
 As the JavaDoc says: Whether the user name is sent
 with each subsequent
 request depends on the browser and type of
 authentication.  Are you using
 basic authentication or are you authenticating the
 user yourself?
 If you are doing it yourself (ie. through a db
 lookup) then the server
 doesn't know about the user being authenticated and
 will return null.
 
 Regards,
 
 Richard
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED] 
 Sent: Monday, December 08, 2003 2:56 PM
 To: Struts Users Mailing List
 Subject: RE: Please Help! Unable to Pass A Hidden
 Field To scaffold.Proces
 sAction
 
 
 I pass two hidden fields: username and keyName at
 the
 same time.  The keyName is passed and with the
 correct
 value in it.  The username is passed but its value
 turns out to be a null.
 
 It is impossible for request.getRemoteUser(); in my
 JSP returning a null.  (see code below) Before it
 reaches request.getRemoteUser(); the user has
 already
 been successfully logged in with a valid name.
 
 req:isUserInRole role=editor
 html:form action=/find/Category
 TR
 TD class=option
 % String username = request.getRemoteUser();%
 html:hidden property=keyName
 value=journal_category/
 html:hidden property=username
 value=%=username%/
 html:submitView Articles/html:submit
 /TD
 /TR
 /html:form
 /req:isUserInRole
 --- Yee, Richard K,,DMDCWEST
 [EMAIL PROTECTED] wrote:
  Caroline,
  Are you having problems with the username or the
  keyName hidden variable? If
  it is the username, then I'd suspect that
  request.getRemoteUser() in your
  JSP is returning null.
  
  Regards,
  
  Richard
  
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Monday, December 08, 2003 1:32 PM
  To: Struts Users Mailing List
  Subject: Re: Please Help! Unable to Pass A Hidden
  Field To
  scaffold.ProcessAction
  
  
  I did not mess up lowercase and uppercase of the
  hidden field I want to pass from my JSP to the
 scaffold.ProcessAction.  
  If it had been the lowercase/uppercase problem, I
 would
  have gotten a message
  saying that the variable could not be recognized. 
 
  
  I pass two hidden fields at the same time.  One of
  them is successfully passed with correct value. 
 The
  other is passed but its value shows a 'null' in
 the 
  scaffold.ProcessAction. What could go wrong?  Let
 me show my code 
  again:
  
  Two hidden fields: username and keyName are passed
  from a JSP via a SUBMIT button:
  
  req:isUserInRole role=editor
  html:form action=/find/Category
  % String username = request.getRemoteUser();%
  html:hidden property=keyName
  value=journal_category/
  html:hidden property=username

RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

I do not fully understand what you say about null or
null.  Anyway, I did try to write out values in the
FindEditorData.java.  What is written out in the
browser is:

name=null; kn=journal_category; kv=null

And the way I try to write out those crucial fields is
shown below:

// package and import statements omitted
public final class FindEditorData extends Bean
{
   public Object execute() throws Exception
   {

   // Obtain username 
   String username = getUsername();
  
   EditorService service = new EditorService();
   String value = service.findEditorData( username );

String property = getKeyName();

if (( null==property ) || ( null==value )) 
{
StringBuffer sb = new StringBuffer();
sb.append( name= );
sb.append( username );
sb.append( ; kn= );
sb.append( property );
sb.append( ; kv= );
sb.append( value );
throw new ParameterException(
sb.toString() );
}

ResultList list = new ResultListBase
(

Access.findByProperty( this,property,value
)

);
list.setLegend( property,value );

return new ProcessResultBase( list );

   } // end execute

} // End FindEditorData

--- Richard Yee [EMAIL PROTECTED] wrote:
 Caroline,
 In your FindEditorData.java class, is the value for
 your username variable null or null?  If it is
 null,
 then you are reading the wrong request parameter
 since
 request.getParameter() will return null if the
 parameter doesn't exist. If the String value is
 null, then you have a problem with getRemoteUser()
 Why don't you dump request parameters that you are
 getting in your FindEditorData?
 
 Hidden input tags work fine. 
 
 Regards,
 
 Richard
 --- Caroline Jen [EMAIL PROTECTED] wrote:
  Hi, I think that we are in different time zones.
  
  As you have mentioned, I, too, suspected that the
  statement in my JSP:
  
  request.getRemoteUser(); 
  
  returns nothing.  Therefore, I did a test in my
 JSP.
  
  In addition to request.getRemoteUser(); I created
  another String manually:
  
  req:isUserInRole role=editor
  % 
 String username = request.getRemoteUser(); 
 String userrole = author; 
  %   
  % out.println(The user name is:  + username
  +.);
  %
  % out.println(The role is:  + userrole +.);
 %
  /req:isUserInRole
  
  And the browser shows:
  
  The user name is: Gloria Jen.  The role is:
 author. 
  
  Gloria Jen is the name that I provided while
 logging
  on and authenticated by the container.  Therefore,
  the
  request.getRemoteUser(); does not return a null. 
  And
  I hope that it means I am not passing a null value
  when I use the hidden field technique.
  
  Then, I pass two hidden fields (with value in
 them)
  from my JSP to a Java class (FindEditorData.java),
  which is of scaffold.ProcessAction type.  One of
 the
  field is passed with its value correctly
 retrieved. 
  The other field is passed with its value found to
 be
  null.
  
  What could go wrong?  I have been thinking about
 it
  for days and so do those who try to help me.  
  
  req:isUserInRole role=editor
  html:form action=/find/Category
  % 
 String username = request.getRemoteUser(); 
 String userrole = author; 
  %   
  %out.println(The user name is:  + username
  +.);%
  %out.println(The role is:  + userrole +.);%
  html:hidden property=keyName
  value=journal_category/
  html:hidden property=username
  value=%=username%/
  html:submitView Articles/html:submit
  /html:form
  /req:isUserInRole 
  
  -Caroline
  --- Yee, Richard K,,DMDCWEST
  [EMAIL PROTECTED] wrote:
   Caroline,
   Imposible? Look at the HTML that is generated by
  the
   JSP page. I think you
   will see that it returns null.
   Take a look at the JavaDoc for
   HttpServletRequest.getRemoteUser();
   
   getRemoteUser
   public java.lang.String getRemoteUser()
   Returns the login of the user making this
 request,
   if the user has been
   authenticated, or null if the user has not been
   authenticated. Whether the
   user name is sent with each subsequent request
   depends on the browser and
   type of authentication. Same as the value of the
  CGI
   variable REMOTE_USER.
   
   Returns: a String specifying the login of the
 user
   making this request, or
   null 
   
   As the JavaDoc says: Whether the user name is
  sent
   with each subsequent
   request depends on the browser and type of
   authentication.  Are you using
   basic authentication or are you authenticating
 the
   user yourself?
   If you are doing it yourself (ie. through a db
   lookup) then the server
   doesn't know about the user being authenticated
  and
   will return null.
   
   Regards,
   
   Richard
   -Original Message-
   From: Caroline Jen [mailto:[EMAIL PROTECTED]
 
   Sent: Monday, December 08, 2003 2:56 PM
   To: Struts Users Mailing List
   Subject: RE: Please Help! Unable to Pass A
 Hidden
   Field To scaffold.Proces

RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

I followed your advice.  In the Bean.java, I did the
following:

private String username = natalie;
public String getUsername() {
return this.username;
}
public void setUsername(String username) {
this.username = username;
}

and I compiled all the relevant classes, re-run the
application, the FindEditorData.java writes out the
following in the browser:

The process did not complete. Details should follow. 
name=natalie; kn=journal_category; kv=null 

Now, the question is why the Bean.java does not pick
up the value of the hidden field 'username' from my
JSP while successfully picks up the value of the other
hidden field 'keyName'.

There is some data processing activities going on in
the FindEditorData.java:

   String username = getUsername();
   EditorService service = new EditorService();
   String value = service.findEditorData( username );

The above data accessing codes had been tested outside
the environment of the application (the codes did what
I expected them to do without problem) before they
were integrated into the application.

-Caroline
--- Richard Yee [EMAIL PROTECTED] wrote:
 Caroline,
 As a sanity check, in your bean, initialize the
 username variable to something ie. XX. and
 re-run your app. This will show if your setUsername
 is
 ever called.
 
 -Richard
 
 --- Caroline Jen [EMAIL PROTECTED] wrote:
  I do not fully understand what you say about null
 or
  null.  Anyway, I did try to write out values in
  the
  FindEditorData.java.  What is written out in the
  browser is:
  
  name=null; kn=journal_category; kv=null
  
  And the way I try to write out those crucial
 fields
  is
  shown below:
  
  // package and import statements omitted
  public final class FindEditorData extends Bean
  {
 public Object execute() throws Exception
 {
  
 // Obtain username 
 String username = getUsername();

 EditorService service = new EditorService();
 String value = service.findEditorData( username
  );
  
  String property = getKeyName();
  
  if (( null==property ) || ( null==value ))
 
  {
  StringBuffer sb = new StringBuffer();
  sb.append( name= );
  sb.append( username );
  sb.append( ; kn= );
  sb.append( property );
  sb.append( ; kv= );
  sb.append( value );
  throw new ParameterException(
  sb.toString() );
  }
  
  ResultList list = new ResultListBase
  (
  
  Access.findByProperty(
  this,property,value
  )
  
  );
  list.setLegend( property,value );
  
  return new ProcessResultBase( list );
  
 } // end execute
  
  } // End FindEditorData
  
  --- Richard Yee [EMAIL PROTECTED] wrote:
   Caroline,
   In your FindEditorData.java class, is the value
  for
   your username variable null or null?  If it is
   null,
   then you are reading the wrong request parameter
   since
   request.getParameter() will return null if the
   parameter doesn't exist. If the String value is
   null, then you have a problem with
  getRemoteUser()
   Why don't you dump request parameters that you
 are
   getting in your FindEditorData?
   
   Hidden input tags work fine. 
   
   Regards,
   
   Richard
   --- Caroline Jen [EMAIL PROTECTED] wrote:
Hi, I think that we are in different time
 zones.

As you have mentioned, I, too, suspected that
  the
statement in my JSP:

request.getRemoteUser(); 

returns nothing.  Therefore, I did a test in
 my
   JSP.

In addition to request.getRemoteUser(); I
  created
another String manually:

req:isUserInRole role=editor
% 
   String username = request.getRemoteUser(); 
   String userrole = author; 
%   
% out.println(The user name is:  + username
+.);
%
% out.println(The role is:  + userrole
 +.);
   %
/req:isUserInRole

And the browser shows:

The user name is: Gloria Jen.  The role is:
   author. 

Gloria Jen is the name that I provided while
   logging
on and authenticated by the container. 
  Therefore,
the
request.getRemoteUser(); does not return a
 null.
  
And
I hope that it means I am not passing a null
  value
when I use the hidden field technique.

Then, I pass two hidden fields (with value in
   them)
from my JSP to a Java class
  (FindEditorData.java),
which is of scaffold.ProcessAction type.  One
 of
   the
field is passed with its value correctly
   retrieved. 
The other field is passed with its value found
  to
   be
null.

What could go wrong?  I have been thinking
 about
   it
for days and so do those who try to help me.  

req:isUserInRole role=editor
html:form action=/find/Category
% 
   String username = request.getRemoteUser(); 
   String userrole = author; 
%   
%out.println(The user

RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

I did another test.  I took out those data access
activities in the FindEditorData.java and ran the
application.  The conclusion is that those few lines
of data access activities have nothing to do with the
value of the 'username' becoming null in the
FindEditorData.java.

-Caroline
--- Richard Yee [EMAIL PROTECTED] wrote:
 Caroline,
 As a sanity check, in your bean, initialize the
 username variable to something ie. XX. and
 re-run your app. This will show if your setUsername
 is
 ever called.
 
 -Richard
 
 --- Caroline Jen [EMAIL PROTECTED] wrote:
  I do not fully understand what you say about null
 or
  null.  Anyway, I did try to write out values in
  the
  FindEditorData.java.  What is written out in the
  browser is:
  
  name=null; kn=journal_category; kv=null
  
  And the way I try to write out those crucial
 fields
  is
  shown below:
  
  // package and import statements omitted
  public final class FindEditorData extends Bean
  {
 public Object execute() throws Exception
 {
  
 // Obtain username 
 String username = getUsername();

 EditorService service = new EditorService();
 String value = service.findEditorData( username
  );
  
  String property = getKeyName();
  
  if (( null==property ) || ( null==value ))
 
  {
  StringBuffer sb = new StringBuffer();
  sb.append( name= );
  sb.append( username );
  sb.append( ; kn= );
  sb.append( property );
  sb.append( ; kv= );
  sb.append( value );
  throw new ParameterException(
  sb.toString() );
  }
  
  ResultList list = new ResultListBase
  (
  
  Access.findByProperty(
  this,property,value
  )
  
  );
  list.setLegend( property,value );
  
  return new ProcessResultBase( list );
  
 } // end execute
  
  } // End FindEditorData
  
  --- Richard Yee [EMAIL PROTECTED] wrote:
   Caroline,
   In your FindEditorData.java class, is the value
  for
   your username variable null or null?  If it is
   null,
   then you are reading the wrong request parameter
   since
   request.getParameter() will return null if the
   parameter doesn't exist. If the String value is
   null, then you have a problem with
  getRemoteUser()
   Why don't you dump request parameters that you
 are
   getting in your FindEditorData?
   
   Hidden input tags work fine. 
   
   Regards,
   
   Richard
   --- Caroline Jen [EMAIL PROTECTED] wrote:
Hi, I think that we are in different time
 zones.

As you have mentioned, I, too, suspected that
  the
statement in my JSP:

request.getRemoteUser(); 

returns nothing.  Therefore, I did a test in
 my
   JSP.

In addition to request.getRemoteUser(); I
  created
another String manually:

req:isUserInRole role=editor
% 
   String username = request.getRemoteUser(); 
   String userrole = author; 
%   
% out.println(The user name is:  + username
+.);
%
% out.println(The role is:  + userrole
 +.);
   %
/req:isUserInRole

And the browser shows:

The user name is: Gloria Jen.  The role is:
   author. 

Gloria Jen is the name that I provided while
   logging
on and authenticated by the container. 
  Therefore,
the
request.getRemoteUser(); does not return a
 null.
  
And
I hope that it means I am not passing a null
  value
when I use the hidden field technique.

Then, I pass two hidden fields (with value in
   them)
from my JSP to a Java class
  (FindEditorData.java),
which is of scaffold.ProcessAction type.  One
 of
   the
field is passed with its value correctly
   retrieved. 
The other field is passed with its value found
  to
   be
null.

What could go wrong?  I have been thinking
 about
   it
for days and so do those who try to help me.  

req:isUserInRole role=editor
html:form action=/find/Category
% 
   String username = request.getRemoteUser(); 
   String userrole = author; 
%   
%out.println(The user name is:  + username
+.);%
%out.println(The role is:  + userrole
  +.);%
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/html:form
/req:isUserInRole 

-Caroline
--- Yee, Richard K,,DMDCWEST
[EMAIL PROTECTED] wrote:
 Caroline,
 Imposible? Look at the HTML that is
 generated
  by
the
 JSP page. I think you
 will see that it returns null.
 Take a look at the JavaDoc for
 HttpServletRequest.getRemoteUser();
 
 getRemoteUser
 public java.lang.String getRemoteUser()
 Returns the login of the user making this
   request,
 if the user has been
 authenticated, or null if the user has not
  been
 authenticated. Whether

Re: HELP: about to get datasource of struts and pass to logic beans...

[Caroline Jen]

There are lots of classes involved.  I will give you
an example:

1. my LogonAction calls EditorService.java (business
delegate)
2. EditorService.java calls MySQLEditorDAO.java (data
access object implements EditorDAO.java, which is a
data access interface)
3. the MySQLEditorDAO.java returns EditorBean.java (a
Java bean with three properties)

Here is my LogonAction.java:

package org.apache.artimus.logon;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionServlet;

import org.apache.artimus.lang.Tokens;

public final class LogonAction extends Action {

public ActionForward execute(ActionMapping
mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws java.lang.Exception {

// Obtain username and password from web tier
String username = ((LogonForm)
form).getUsername();
String password = ((LogonForm)
form).getPassword();

EditorService service = new EditorService();
EditorBean editor = service.findEditorData(
username );

HttpSession session = request.getSession();
session.setAttribute( editor, editor );

// Log this event, if appropriate

if (servlet.getDebug() = Tokens.DEBUG) {
StringBuffer message =
new StringBuffer(LogonAction: User
');
message.append(username);
message.append(' logged on in session );
message.append(session.getId());
servlet.log(message.toString());
}

// Return success
return (mapping.findForward(Tokens.VALID));

}

} // End LogonAction

Here is the EditorService.java:

package org.apache.artimus.logon;

import org.apache.artimus.logon.dao.*;

public class EditorService 
{
   EditorDAO ed = new MySQLEditorDAO();
   public EditorBean findEditorData( String username )
   {
  return ed.findEditor( username );
   }
}

Here is the EditorDAO.java:

package org.apache.artimus.logon.dao;

import org.apache.artimus.logon.EditorBean;
import
org.apache.artimus.logon.exceptions.EditorDAOSysException;

public interface EditorDAO.java
{
public EditorBean findEditor( String username )
throws EditorDAOSysException;
}

Here is the MySQLEditorDAO.java:

package org.apache.artimus.logon.dao;

import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.SQLException;

import org.apache.artimus.logon.EditorBean;
import
org.apache.artimus.logon.exceptions.EditorDAOSysException;
import org.apache.artimus.ConnectionPool.DBConnection;

public class MySQLEditorDAO implements EditorDAO
{
   // Here the return type is EditorBean
   public EditorBean findEditor( String username ) 
   throws EditorDAOSysException 
   {
  Connection conn = null;
  Statement stmt = null;
  ResultSet rs = null;

  try 
  {
 conn = DBConnection.getDBConnection();
 stmt = conn.createStatement();
 String query = SELECT user_role,
journal_category FROM members WHERE user_name = ' +
username + ';   
 rs = stmt.executeQuery( query );
 if (rs.next()) 
 {
return new EditorBean( username,
rs.getString( user_role ), rs.getString(
journal_category ) );
 }
 else
 {
System.out.println( invalid user name );
return null;
 }
  } 
  catch (SQLException se)
  {
 throw new
EditorDAOSysException(SQLException:  +
se.getMessage());
  }
  finally
  {
 if ( conn != null )
 {
try
{
   rs.close();
   rs = null;
   stmt.close();
   stmt = null;
   conn.close();
}
catch( SQLException sqlEx )
{
   System.out.println( Problem occurs
while closing  + sqlEx );
}
conn = null;
 }   
  }
   }
}

Here is the EditorBean.java:

package org.apache.artimus.logon;

import org.apache.artimus.logon.dao.*;

public class EditorBean {

   private String username;
   private String userrole;
   private String keyValue;

   static EditorDAO ed = new MySQLEditorDAO();

   public EditorBean() {}
   public EditorBean( String username, String
userrole, String keyValue )
   {
  setUsername( username );
  setUserrole( userrole );
  setKeyValue( keyValue );
   }
   public String getUsername() {
  return 

Re: Please Help! Unable to Pass A Hidden Field To scaffold.ProcessAction

[Caroline Jen]

I did not mess up lowercase and uppercase of the
hidden field I want to pass from my JSP to the
scaffold.ProcessAction.  If it had been the
lowercase/uppercase problem, I would have gotten a
message saying that the variable could not be
recognized.  

I pass two hidden fields at the same time.  One of
them is successfully passed with correct value.  The
other is passed but its value shows a 'null' in the
scaffold.ProcessAction.  What could go wrong?  Let me
show my code again:

Two hidden fields: username and keyName are passed 
from a JSP via a SUBMIT button:

req:isUserInRole role=editor
html:form action=/find/Category
% String username = request.getRemoteUser();%
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/html:form
/req:isUserInRole

and an action mapping:

action
roles=editor
path=/find/Category
   
type=org.apache.struts.scaffold.ProcessAction
   
parameter=org.apache.artimus.article.FindEditorData
name=articleForm
scope=request
validate=false
   forward
name=success
path=.article.Result/
/action

The value of the 'username' is found to be a 'null' in
the FindEditorData.java while the value of keyName is
successfully retrieved.  In the browser, I got:

name=null; kn=journal_category; kv=null 

The code of my FindEditorData is shown below:

public final class FindEditorData extends Bean
{
   public Object execute() throws Exception
   {

   // Obtain username 
   String username = getUsername();
  
   EditorService service = new EditorService();
   String value = service.findEditorData( username );

   String property = getKeyName();

if (( null==property ) || ( null==value )) 
{
StringBuffer sb = new StringBuffer();
sb.append( name= );
sb.append( username );
sb.append( ; kn= );
sb.append( property );
sb.append( ; kv= );
sb.append( value );
throw new ParameterException(
sb.toString() );
}

ResultList list = new ResultListBase
(

Access.findByProperty( this,property,value
)

);
list.setLegend( property,value );

return new ProcessResultBase( list );

   } // end execute

} // End FindEditorData
  


--- Caroline Jen [EMAIL PROTECTED] wrote:
 I want to pass two hidden fields; username and
 keyName
 from a JSP via a SUBMIT button:
 
 req:isUserInRole role=editor
 html:form action=/find/Category
 % String username = request.getRemoteUser();%
 html:hidden property=keyName
 value=journal_category/
 html:hidden property=username
 value=%=username%/
 html:submitView Articles/html:submit
 /html:form
 /req:isUserInRole
 
 and an action mapping:
 
 action
 roles=editor
 path=/find/Category

 type=org.apache.struts.scaffold.ProcessAction


parameter=org.apache.artimus.article.FindEditorData
 name=articleForm
 scope=request
 validate=false
forward
 name=success
 path=.article.Result/
 /action
 
 How come the username is not passed to the
 FindEditorData.java while the keyName is
 successfully
 passed.  In the browser, I got:
 
 name=null; kn=journal_category; kv=null 
 
 The code of my FindEditorData is shown below:
 
 public final class FindEditorData extends Bean
 {
public Object execute() throws Exception
{
 
// Obtain username 
String username = getUsername();
   
EditorService service = new EditorService();
String value = service.findEditorData( username
 );
 
String property = getKeyName();
 
 if (( null==property ) || ( null==value )) 
 {
 StringBuffer sb = new StringBuffer();
 sb.append( name= );
 sb.append( username );
 sb.append( ; kn= );
 sb.append( property );
 sb.append( ; kv= );
 sb.append( value );
 throw new ParameterException(
 sb.toString() );
 }
 
 ResultList list = new ResultListBase
 (
 
 Access.findByProperty(
 this,property,value
 )
 
 );
 list.setLegend( property,value );
 
 return new ProcessResultBase( list );
 
} // end execute
 
 } // End FindEditorData
 
 
 
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RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

I pass two hidden fields: username and keyName at the
same time.  The keyName is passed and with the correct
value in it.  The username is passed but its value
turns out to be a null.

It is impossible for request.getRemoteUser(); in my
JSP returning a null.  (see code below) Before it
reaches request.getRemoteUser(); the user has already
been successfully logged in with a valid name.

req:isUserInRole role=editor
html:form action=/find/Category
TR
TD class=option
% String username = request.getRemoteUser();%
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/TD
/TR
/html:form
/req:isUserInRole
--- Yee, Richard K,,DMDCWEST
[EMAIL PROTECTED] wrote:
 Caroline,
 Are you having problems with the username or the
 keyName hidden variable? If
 it is the username, then I'd suspect that
 request.getRemoteUser() in your
 JSP is returning null.
 
 Regards,
 
 Richard
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED] 
 Sent: Monday, December 08, 2003 1:32 PM
 To: Struts Users Mailing List
 Subject: Re: Please Help! Unable to Pass A Hidden
 Field To
 scaffold.ProcessAction
 
 
 I did not mess up lowercase and uppercase of the
 hidden field I want to pass from my JSP to the
 scaffold.ProcessAction.  If
 it had been the lowercase/uppercase problem, I would
 have gotten a message
 saying that the variable could not be recognized.  
 
 I pass two hidden fields at the same time.  One of
 them is successfully passed with correct value.  The
 other is passed but its value shows a 'null' in the
 scaffold.ProcessAction.
 What could go wrong?  Let me show my code again:
 
 Two hidden fields: username and keyName are passed 
 from a JSP via a SUBMIT button:
 
 req:isUserInRole role=editor
 html:form action=/find/Category
 % String username = request.getRemoteUser();%
 html:hidden property=keyName
 value=journal_category/
 html:hidden property=username
 value=%=username%/
 html:submitView Articles/html:submit
 /html:form
 /req:isUserInRole
 
 and an action mapping:
 
 action
 roles=editor
 path=/find/Category

 type=org.apache.struts.scaffold.ProcessAction


parameter=org.apache.artimus.article.FindEditorData
 name=articleForm
 scope=request
 validate=false
forward
 name=success
 path=.article.Result/
 /action
 
 The value of the 'username' is found to be a 'null'
 in
 the FindEditorData.java while the value of keyName
 is successfully
 retrieved.  In the browser, I got:
 
 name=null; kn=journal_category; kv=null 
 
 The code of my FindEditorData is shown below:
 
 public final class FindEditorData extends Bean
 {
public Object execute() throws Exception
{
 
// Obtain username 
String username = getUsername();
   
EditorService service = new EditorService();
String value = service.findEditorData( username
 );
 
String property = getKeyName();
 
 if (( null==property ) || ( null==value )) 
 {
 StringBuffer sb = new StringBuffer();
 sb.append( name= );
 sb.append( username );
 sb.append( ; kn= );
 sb.append( property );
 sb.append( ; kv= );
 sb.append( value );
 throw new ParameterException(
 sb.toString() );
 }
 
 ResultList list = new ResultListBase
 (
 
 Access.findByProperty(
 this,property,value
 )
 
 );
 list.setLegend( property,value );
 
 return new ProcessResultBase( list );
 
} // end execute
 
 } // End FindEditorData
   
 
 
 --- Caroline Jen [EMAIL PROTECTED] wrote:
  I want to pass two hidden fields; username and
  keyName
  from a JSP via a SUBMIT button:
  
  req:isUserInRole role=editor
  html:form action=/find/Category
  % String username = request.getRemoteUser();%
  html:hidden property=keyName
  value=journal_category/
  html:hidden property=username
  value=%=username%/
  html:submitView Articles/html:submit
  /html:form
  /req:isUserInRole
  
  and an action mapping:
  
  action
  roles=editor
  path=/find/Category
 
  type=org.apache.struts.scaffold.ProcessAction
 
 

parameter=org.apache.artimus.article.FindEditorData
  name=articleForm
  scope=request
  validate=false
 forward
  name=success
  path=.article.Result/
  /action
  
  How come the username is not passed to the
 FindEditorData.java while 
  the keyName is successfully
  passed.  In the browser, I got:
  
  name=null; kn=journal_category; kv=null
  
  The code of my FindEditorData is shown below:
  
  public final class FindEditorData extends Bean
  {
 public Object execute() throws Exception
 {
  
 // Obtain username 
 String username = getUsername();

 EditorService service = new EditorService

RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

I use container-managed authentication.  



--- Yee, Richard K,,DMDCWEST
[EMAIL PROTECTED] wrote:
 Caroline,
 Imposible? Look at the HTML that is generated by the
 JSP page. I think you
 will see that it returns null.
 Take a look at the JavaDoc for
 HttpServletRequest.getRemoteUser();
 
 getRemoteUser
 public java.lang.String getRemoteUser()
 Returns the login of the user making this request,
 if the user has been
 authenticated, or null if the user has not been
 authenticated. Whether the
 user name is sent with each subsequent request
 depends on the browser and
 type of authentication. Same as the value of the CGI
 variable REMOTE_USER.
 
 Returns: a String specifying the login of the user
 making this request, or
 null 
 
 As the JavaDoc says: Whether the user name is sent
 with each subsequent
 request depends on the browser and type of
 authentication.  Are you using
 basic authentication or are you authenticating the
 user yourself?
 If you are doing it yourself (ie. through a db
 lookup) then the server
 doesn't know about the user being authenticated and
 will return null.
 
 Regards,
 
 Richard
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED] 
 Sent: Monday, December 08, 2003 2:56 PM
 To: Struts Users Mailing List
 Subject: RE: Please Help! Unable to Pass A Hidden
 Field To scaffold.Proces
 sAction
 
 
 I pass two hidden fields: username and keyName at
 the
 same time.  The keyName is passed and with the
 correct
 value in it.  The username is passed but its value
 turns out to be a null.
 
 It is impossible for request.getRemoteUser(); in my
 JSP returning a null.  (see code below) Before it
 reaches request.getRemoteUser(); the user has
 already
 been successfully logged in with a valid name.
 
 req:isUserInRole role=editor
 html:form action=/find/Category
 TR
 TD class=option
 % String username = request.getRemoteUser();%
 html:hidden property=keyName
 value=journal_category/
 html:hidden property=username
 value=%=username%/
 html:submitView Articles/html:submit
 /TD
 /TR
 /html:form
 /req:isUserInRole
 --- Yee, Richard K,,DMDCWEST
 [EMAIL PROTECTED] wrote:
  Caroline,
  Are you having problems with the username or the
  keyName hidden variable? If
  it is the username, then I'd suspect that
  request.getRemoteUser() in your
  JSP is returning null.
  
  Regards,
  
  Richard
  
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: Monday, December 08, 2003 1:32 PM
  To: Struts Users Mailing List
  Subject: Re: Please Help! Unable to Pass A Hidden
  Field To
  scaffold.ProcessAction
  
  
  I did not mess up lowercase and uppercase of the
  hidden field I want to pass from my JSP to the
 scaffold.ProcessAction.  
  If it had been the lowercase/uppercase problem, I
 would
  have gotten a message
  saying that the variable could not be recognized. 
 
  
  I pass two hidden fields at the same time.  One of
  them is successfully passed with correct value. 
 The
  other is passed but its value shows a 'null' in
 the 
  scaffold.ProcessAction. What could go wrong?  Let
 me show my code 
  again:
  
  Two hidden fields: username and keyName are passed
  from a JSP via a SUBMIT button:
  
  req:isUserInRole role=editor
  html:form action=/find/Category
  % String username = request.getRemoteUser();%
  html:hidden property=keyName
  value=journal_category/
  html:hidden property=username
  value=%=username%/
  html:submitView Articles/html:submit
  /html:form
  /req:isUserInRole
  
  and an action mapping:
  
  action
  roles=editor
  path=/find/Category
 
  type=org.apache.struts.scaffold.ProcessAction
 
 

parameter=org.apache.artimus.article.FindEditorData
  name=articleForm
  scope=request
  validate=false
 forward
  name=success
  path=.article.Result/
  /action
  
  The value of the 'username' is found to be a
 'null'
  in
  the FindEditorData.java while the value of keyName
  is successfully
  retrieved.  In the browser, I got:
  
  name=null; kn=journal_category; kv=null
  
  The code of my FindEditorData is shown below:
  
  public final class FindEditorData extends Bean
  {
 public Object execute() throws Exception
 {
  
 // Obtain username 
 String username = getUsername();

 EditorService service = new EditorService();
 String value = service.findEditorData( username
  );
  
 String property = getKeyName();
  
  if (( null==property ) || ( null==value ))
 
  {
  StringBuffer sb = new StringBuffer();
  sb.append( name= );
  sb.append( username );
  sb.append( ; kn= );
  sb.append( property );
  sb.append( ; kv= );
  sb.append( value );
  throw new ParameterException(
  sb.toString() );
  }
  
  ResultList list = new ResultListBase

Each Time the Server Restarts, the Browser Does Not Display the Welcome Page.

[Caroline Jen]

While the server is running, I am able to be
redirected to the welcome page after I click on any of
the LOGOUT buttons in my application.  And while I am
at the welcome page, I can see
http://localhost:8080/NameOfMyApplication/do/Main in
the address bar.  But, if I shut down the server and
restart it, the browser shows a page with all the
images that I defined in the tile (I use tile to show
web pages) and a LOGOUT button.  In the address bar, I
see
http://localhost:8080/NameOfMyApplication/do/Main;jsessionid=49I943J0FJQIQ205058
I must click on that LOGOUT button in order to go to
my welcome page. That is to say, I do not directly get
the welcome page each time the server restarts. 

I must have messed something up and would appreciate
if anybody could help identifying the problem.  

In my web.xml, I have:

  welcome-file-list
welcome-fileindex.jsp/welcome-file
  /welcome-file-list

and this index.jsp (shown below) is in my application
root:

%@ taglib uri=/tags/struts-logic prefix=logic %
logic:redirect forward=welcome/

The mapping in the struts-config.xml is:

 forward
name=welcome
path=/do/Main/

I think the logout part would be more informative. 
The LOGOUT button is in a piece of tile:

%@ taglib uri=/tags/struts-html prefix=html %
/TABLE
/TD
/TR
TRTDBR/TD/TR
TR
TD ALIGN=CENTER
html:img page=/article/common/images/goldbrush.gif
border=0 alt=[goldbrush]/
/TD
/TR
TRTDBR/TD/TR
TR
TD class=navbar
html:link forward=exitLOGOUT/html:link 
/TD
/TR
/TABLE

The mapping in the struts-config.xml is:

 forward
name=exit
path=/do/Logoff/

and 

action 
path=/Logoff
   
type=org.apache.artimus.signoff.LogoffAction
forward
name=success
redirect=true
path=/index.jsp/
/action

The code in the LogoffAction.java is shown below:

// package and import statements are omitted
public final class LogoffAction extends Action {
public ActionForward execute(ActionMapping
mapping,
 ActionForm form,
 HttpServletRequest request,
 HttpServletResponse response)
throws IOException, ServletException {

  response.setContentType( text/html );
  PrintWriter out = response.getWriter();

  // Extract attributes we will need
  HttpSession session = request.getSession( false
);

  if (session != null) 
  {
 session.invalidate();
  }
  return (mapping.findForward( success ));
}
} // end LogoffAction



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RE: Please Help! Unable to Pass A Hidden Field To scaffold.Proces sAction

[Caroline Jen]

I must pass the result of request.getRemoteUser()
because it is a Java class that receives the
hidden field.  If you read my code carefully, you will
see that FindEditorData.java is a Java class and I
cannot use 'request' or 'session' in a Java class.  It
takes a servlet or a class extends Action to use
'request' or 'session'.

But, this class is of ProcessAction type defined in
the struts-config.xml:

action
roles=editor
path=/find/Category
   
type=org.apache.struts.scaffold.ProcessAction
   
parameter=org.apache.artimus.article.FindEditorData
name=articleForm
scope=request
validate=false
   forward
name=success
path=.article.Result/
/action

And, it is easy to see that I use container-managed
authentication.  In my JSP, there is req:isUserInRole
role=editor before reaching % String
username=request.getRemoteUser(); % Again, I have
provided my code:
req:isUserInRole role=editor
html:form action=/find/Category
% String username = request.getRemoteUser(); %
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/html:form
/req:isUserInRole

--- Richard Yee [EMAIL PROTECTED] wrote:
 Caroline,
 Why are you passing the result of
 request.getRemoteUser() in a hidden 
 variable anyway since it is available as part of the
 HttpRequest and thus 
 will be available in the action class?
 
 -Richard
 
 At 02:55 PM 12/8/2003, you wrote:
 I pass two hidden fields: username and keyName at
 the
 same time.  The keyName is passed and with the
 correct
 value in it.  The username is passed but its value
 turns out to be a null.
 
 It is impossible for request.getRemoteUser(); in my
 JSP returning a null.  (see code below) Before it
 reaches request.getRemoteUser(); the user has
 already
 been successfully logged in with a valid name.
 
 req:isUserInRole role=editor
 % String username = request.getRemoteUser();%
 value=journal_category/ 
 value=%=username%/ View Articles
 --- Yee, Richard K,,DMDCWEST wrote:  Caroline, 
 Are you having 
 problems with the username or the  keyName hidden
 variable? If  it is 
 the username, then I'd suspect that 
 request.getRemoteUser() in your  
 JSP is returning null.   Regards,   Richard  
 -Original 
 Message-  From: Caroline Jen
 [mailto:[EMAIL PROTECTED]  Sent: 
 Monday, December 08, 2003 1:32 PM  To: Struts
 Users Mailing List  
 Subject: Re: Please Help! Unable to Pass A Hidden 
 Field To  
 scaffold.ProcessActionI did not mess up
 lowercase and uppercase of 
 the  hidden field I want to pass from my JSP to
 the  
 scaffold.ProcessAction. If  it had been the
 lowercase/uppercase problem, 
 I would  have gotten a message  saying that the
 variable could not be 
 recognized.   I pass two hidden fields at the
 same time. One of  them 
 is successfully passed with correct value. The 
 other is passed but its 
 value shows a 'null' in the 
 scaffold.ProcessAction.  What could go 
 wrong? Let me show my code again:   Two hidden
 fields: username and 
 keyName are passed  from a JSP via a SUBMIT
 button: % String 
 username = request.getRemoteUser();% 
 value=journal_category/  
 value=%=username%/  View Articles and
 an action mapping:   
 roles=editor  path=/find/Category   
 type=org.apache.struts.scaffold.ProcessAction  
 

parameter=org.apache.artimus.article.FindEditorData
  
 name=articleForm  scope=request 
 validate=false  
 name=success  path=.article.Result/The
 value of the 
 'username' is found to be a 'null'  in  the
 FindEditorData.java while 
 the value of keyName  is successfully  retrieved.
 In the browser, I 
 got:   name=null; kn=journal_category; kv=null 
  The code of my 
 FindEditorData is shown below:   public final
 class FindEditorData 
 extends Bean  {  public Object execute() throws
 Exception  {   // 
 Obtain username  String username = getUsername();
   EditorService 
 service = new EditorService();  String value =
 service.findEditorData( 
 username  );   String property = getKeyName(); 
  if (( null==property 
 ) || ( null==value ))  {  StringBuffer sb = new
 StringBuffer();  
 sb.append( name= );  sb.append( username ); 
 sb.append( ; kn= );  
 sb.append( property );  sb.append( ; kv= ); 
 sb.append( value );  
 throw new ParameterException(  sb.toString() ); 
 }   ResultList list = 
 new ResultListBase  (   Access.findByProperty( 
 this,property,value  
 )   );  list.setLegend( property,value );  
 return new 
 ProcessResultBase( list );   } // end execute  
 } // End 
 FindEditorData --- Caroline Jen wrote:  
 I want to pass two 
 hidden fields; username and   keyName   from a
 JSP via a SUBMIT 
 button: % String username = 
 request.getRemoteUser();%   
 value=journal_category/
 value=%=username%/   View Articles 
and an action 
 mapping:  roles=editor  
 path=/find/Category 
 type=org.apache.struts.scaffold.ProcessAction

Pass A String From Servlet And Write Out Its Value in JSP

[Caroline Jen]

My servlet has a String called 'category'.  I want to
pass the String to a JSP.  Therefore, I have the code
shown below in the servlet:

session.setAttribute( c, category );
OR
request.setAttribute( c, category );

And, I do the following in my JSP:

% String keyValue = (String)session.getAttribute( c
); %
OR
% String keyValue = (String)request.getAttribute( c
); %

How do I write out keyValue in my JSP in Struts?


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Please Help! Unable to Pass A Hidden Field To scaffold.ProcessAction

[Caroline Jen]

I want to pass two hidden fields; username and keyName
from a JSP via a SUBMIT button:

req:isUserInRole role=editor
html:form action=/find/Category
% String username = request.getRemoteUser();%
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/html:form
/req:isUserInRole

and an action mapping:

action
roles=editor
path=/find/Category
   
type=org.apache.struts.scaffold.ProcessAction
   
parameter=org.apache.artimus.article.FindEditorData
name=articleForm
scope=request
validate=false
   forward
name=success
path=.article.Result/
/action

How come the username is not passed to the
FindEditorData.java while the keyName is successfully
passed.  In the browser, I got:

name=null; kn=journal_category; kv=null 

The code of my FindEditorData is shown below:

public final class FindEditorData extends Bean
{
   public Object execute() throws Exception
   {

   // Obtain username 
   String username = getUsername();
  
   EditorService service = new EditorService();
   String value = service.findEditorData( username );

   String property = getKeyName();

if (( null==property ) || ( null==value )) 
{
StringBuffer sb = new StringBuffer();
sb.append( name= );
sb.append( username );
sb.append( ; kn= );
sb.append( property );
sb.append( ; kv= );
sb.append( value );
throw new ParameterException(
sb.toString() );
}

ResultList list = new ResultListBase
(

Access.findByProperty( this,property,value
)

);
list.setLegend( property,value );

return new ProcessResultBase( list );

   } // end execute

} // End FindEditorData



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Re: Please Help! Unable to Pass A Hidden Field To scaffold.ProcessAction

[Caroline Jen]

My code was shown in my original message.  I used two 
html:hidden ...  tags to pass two hidden fields, one
is successfully passed while the other shows null.  By
the way, I do not use 'request' to retrieve the value
of the hidden field because my Java class is a
scaffold.ProcessAction type.  I simply use getXxx.

Let me show my code again:
req:isUserInRole role=editor
html:form action=/find/Category
% String username = request.getRemoteUser();%
html:hidden property=keyName
value=journal_category/
html:hidden property=username
value=%=username%/
html:submitView Articles/html:submit
/html:form
/req:isUserInRole

--- Richard Yee [EMAIL PROTECTED] wrote:
 Are you using the input type=hidden  or
 html:hidden attributes? I 
 didn't see it in your email.
 If you do, the values will be available in the
 request.
 
 Regards,
 
 Richard
 
 At 08:20 PM 12/7/2003, you wrote:
 I want to pass two hidden fields; username and
 keyName
 from a JSP via a SUBMIT button:
 
 req:isUserInRole role=editor
 % String username = request.getRemoteUser();%
 value=journal_category/ 
 value=%=username%/ View Articles and an action
 mapping: How come the 
 username is not passed to the FindEditorData.java
 while the keyName is 
 successfully passed. In the browser, I got:
 name=null; 
 kn=journal_category; kv=null The code of my
 FindEditorData is shown below: 
 public final class FindEditorData extends Bean {
 public Object execute() 
 throws Exception { // Obtain username String
 username = getUsername(); 
 EditorService service = new EditorService(); String
 value = 
 service.findEditorData( username ); String property
 = getKeyName(); if (( 
 null==property ) || ( null==value )) { StringBuffer
 sb = new 
 StringBuffer(); sb.append( name= ); sb.append(
 username ); sb.append( ; 
 kn= ); sb.append( property ); sb.append( ; kv=
 ); sb.append( value ); 
 throw new ParameterException( sb.toString() ); }
 ResultList list = new 
 ResultListBase ( Access.findByProperty(
 this,property,value ) ); 
 list.setLegend( property,value ); return new
 ProcessResultBase( list ); } 
 // end execute } // End FindEditorData
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Re: Very Troubled in Finding Ways to Pass a Variable to a Class

[Caroline Jen]

I know how to pass a hidden field.  The problem is how
to retrieve it in my Java class.  I have illustrated
that my Java class does not extend HttpServlet or
Action.

This Java class has a mapping in the struts-config.xml
file:

type=org.apache.struts.scaffold.ProcessAction
parameter=org.XYZ.article.FindEditorData
name=articleForm

-Caroline
--- Timo [EMAIL PROTECTED] wrote:
 Caroline,
 The best way I use it to pass parameters to the
 action class is via a hidden
 attribute in the form, in your case the
 articleForm
 you can define the hidden attribute using
 
 input type=hidden name=hiddenField
 value=%=request.getRemoteUser();%/
 Good luck.
 
 - Original Message - 
 From: Caroline Jen [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Friday, December 05, 2003 8:17 PM
 Subject: Very Troubled in Finding Ways to Pass a
 Variable to a Class
 
 
  I have a class FindEditorData.java.  I want to
 pass a
  vairable 'username' to this class for some
 processing.
   This class is invoked from a JSP:
 
  html:form action=/find/Category
  html:submitView Articles/html:submit
 
  and the value of the 'username' is obtained this
 way:
 
  String username = request.getRemoteUser();
 
  Due to my limited knowledge in Struts,  I cannot
  figure out what to do.  Let me explain the
 problem:
 
  1. This class has this method:
 
 public Object execute() throws Exception { ...
 }
 
 I do not make this class extends HttpServlet or
  extends Action.  I cannot nest a method inside a
  doGet/doPost or the Action's excute().
 
  2. The action mapping in the struts-config.xml is
 this
  way:
  action
  roles=editor
  path=/find/Category
 
  type=org.apache.struts.scaffold.ProcessAction
  parameter=org.XYZ.article.FindEditorData
  name=articleForm
  validate=false
 forward
  name=success
  path=.article.Result/
  /action
 
  I am stuck because I do not know how to pass
  'username' to the FindEditorData.java.  I cannot
  state:
 
 String username = request.getRemoteUser();
 or
 String username = (String)session.getAttribute(
  EditorName );
 
 because the FindEditorData is not a servlet and
  does not extend Action.
 
  I cannot pass a hidden variable from the JSP
 because I
  do not know how to retrieve the value of a hidden
  variable in a Java class.
 
  Need clever ideas.  Please help.
 
 
 
 
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RE: Very Troubled in Finding Ways to Pass a Variable to a Class

[Caroline Jen]

It is wonderful to know that there are some ActionForm
methods that holds true in the
scaffold.ProcessAction's execute() method.  It gives
the hope that my problem could be resolved.  

Via a submit button in my JSP, I try to pass two
variables; username and keyName, to my Java class
(FindEditorData.java) with the
type=org.apache.struts.scaffold.ProcessAction, and
this Java class has this method:

   public Object execute() throws Exception { ... }

1. if I use the hidden field technique (see below)
inside the JSP html:form  tag:
% String username = request.getRemoteUser();%
html:hidden property=username 
 value=%=username%/
html:hidden property=keyName 
 value=journal_category/

How do I retrieve the value of username and keyName in
the Java class?  Probably due to my lack of knowledge
of the ActionForm, I got compilation error cannot
resolve symbol: request or cannot resolve symbol:
session because FindEditorData.java does not extend
HttpServlet and FindEditorData.java does not extend
Action.

2. if I want to get 'username' in the Java class
instead of passing the 'username' as a hidden field
from a submit button in my JSP, how do I do it?

String username = request.getRemoteUser(); gives me a
compilation error cannot resolve symbol: request.  

The action mapping in my struts-config.xml looks like:
action
roles=editor
path=/find/Category
   
type=org.apache.struts.scaffold.ProcessAction
   
parameter=org.apache.artimus.article.FindEditorData
name=articleForm
scope=request
validate=false
   forward
name=success
path=.article.Result/
/action

-Caroline
--- Joe Hertz [EMAIL PROTECTED] wrote:
 Actually, you haven't illustrated it. You've just
 stated it.
 
 In the ActionForm there are methods like validate()
 that accept as
 parameters an ActionMapping and an
 httpServletRequest, and from the
 httpServletRequest you can call getSession().
 
 Same holds true in the Action class' execute()
 method.
 
 So what is the problem with your class? Why can't
 you utilize it from
 one of these places that you do have access to these
 things? What
 exactly is stopping you here? Once you tell us, then
 you will have
 illustrated the problem.
 
 -J
 
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED] 
  Sent: Saturday, December 06, 2003 1:47 PM
  To: Struts Users Mailing List
  Subject: Re: Very Troubled in Finding Ways to Pass
 a Variable 
  to a Class
  
  
  I know how to pass a hidden field.  The problem is
 how
  to retrieve it in my Java class.  I have
 illustrated
  that my Java class does not extend HttpServlet or
  Action.
  
  This Java class has a mapping in the
 struts-config.xml
  file:
  
  type=org.apache.struts.scaffold.ProcessAction
  parameter=org.XYZ.article.FindEditorData
  name=articleForm
  
  -Caroline
  --- Timo [EMAIL PROTECTED] wrote:
   Caroline,
   The best way I use it to pass parameters to the
   action class is via a hidden
   attribute in the form, in your case the
   articleForm
   you can define the hidden attribute using
   
   input type=hidden name=hiddenField 
   value=%=request.getRemoteUser();%/
   Good luck.
   
   - Original Message -
   From: Caroline Jen [EMAIL PROTECTED]
   To: [EMAIL PROTECTED]
   Sent: Friday, December 05, 2003 8:17 PM
   Subject: Very Troubled in Finding Ways to Pass a
   Variable to a Class
   
   
I have a class FindEditorData.java.  I want to
   pass a
vairable 'username' to this class for some
   processing.
 This class is invoked from a JSP:
   
html:form action=/find/Category
html:submitView Articles/html:submit
   
and the value of the 'username' is obtained
 this
   way:
   
String username = request.getRemoteUser();
   
Due to my limited knowledge in Struts,  I
 cannot
figure out what to do.  Let me explain the
   problem:
   
1. This class has this method:
   
   public Object execute() throws Exception {
 ...
   }
   
   I do not make this class extends
 HttpServlet or
extends Action.  I cannot nest a method inside
 a 
  doGet/doPost or the 
Action's excute().
   
2. The action mapping in the struts-config.xml
 is
   this
way:
action
roles=editor
path=/find/Category
   
   
 type=org.apache.struts.scaffold.ProcessAction
   
 parameter=org.XYZ.article.FindEditorData
name=articleForm
validate=false
   forward
name=success
path=.article.Result/
/action
   
I am stuck because I do not know how to pass
'username' to the FindEditorData.java.  I
 cannot
state:
   
   String username = request.getRemoteUser();
   or
   String username =
 (String)session.getAttribute( EditorName );
   
   because the FindEditorData is not a servlet
 and
does not extend Action.
   
I cannot pass a hidden

Mail Messages Using JavaMail in Struts

[Caroline Jen]

Has a Struts application been built to handle
send/view personal mail messages using JavaMail?

If the answer is yes, please provide information how
to contact the developer of the application.

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Very Troubled in Finding Ways to Pass a Variable to a Class

[Caroline Jen]

I have a class FindEditorData.java.  I want to pass a
vairable 'username' to this class for some processing.
 This class is invoked from a JSP:

html:form action=/find/Category
html:submitView Articles/html:submit

and the value of the 'username' is obtained this way:

String username = request.getRemoteUser();

Due to my limited knowledge in Struts,  I cannot
figure out what to do.  Let me explain the problem:

1. This class has this method:

   public Object execute() throws Exception { ... }

   I do not make this class extends HttpServlet or
extends Action.  I cannot nest a method inside a
doGet/doPost or the Action's excute().

2. The action mapping in the struts-config.xml is this
way:
action
roles=editor
path=/find/Category
   
type=org.apache.struts.scaffold.ProcessAction
parameter=org.XYZ.article.FindEditorData
name=articleForm
validate=false
   forward
name=success
path=.article.Result/
/action   

I am stuck because I do not know how to pass
'username' to the FindEditorData.java.  I cannot
state:

   String username = request.getRemoteUser(); 
   or 
   String username = (String)session.getAttribute(
EditorName );

   because the FindEditorData is not a servlet and
does not extend Action.

I cannot pass a hidden variable from the JSP because I
do not know how to retrieve the value of a hidden
variable in a Java class.

Need clever ideas.  Please help.
 

   

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Please Give Me A Clue - ClassCast Exception

[Caroline Jen]

My application got a ClassCastException at scaffold,
ProcessAction.executeLogic.  I have no idea about how
and where to detect the problem.  I would appreciate
if someone could provide a clue.

2003-12-04 23:08:38 action: *** ACTION EXCEPTION: 
java.lang.ClassCastException
at
org.apache.struts.scaffold.ProcessAction.executeLogic(Unknown
Source)
at
org.apache.struts.scaffold.BaseHelperAction.executeLogic(Unknown
Source)
at
org.apache.struts.scaffold.BaseAction.execute(Unknown Source)

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Drop-Down List - Cannot Retrieve Definition From Form Bean Null

[Caroline Jen]

My drop-down list got an error message:
org.apache.jasper.JasperException: Cannot retrieve
definition for form bean null

I have tried to display the drop-down list in two
ways:

First:
html:select size=1 property=editor
multiple=false
html:options collection=editors property=name
labelProperty=name/
/html:select

Second:
bean:define id=editorsList name=editors
scope=session  /
html:select property=editor size=1
multiple=false
html:options collection=editorsList
labelProperty=name property=value/
/html:select   

The editors is a Collection of EditorBean passed to
the JSP this way:
HttpSession session = request.getSession();
session.setAttribute( editors, editors );

and Editor Bean is:
public class EditorBean 
{
   private String name;

   public EditorBean() {}

   public EditorBean( String name )
   {
  this.name = name;
   }
   public String getName() {
  return name;
   }
   public void setName( String name ) {
  this.name = name;
   }
} 



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How Do I Create This Drop-Down List in Struts?

[Caroline Jen]

My ArrayList is a collection of bean object.  The
ArrayList is created this way:

public Collection findEditors( String userrole, String
category ) 
{
   ..
   EditorBean editorBean = null;
   ArrayList editors = new ArrayList();
   // database access code
   while( rs.next() )
   {
  editorBean = new EditorBean(
rs.getString(user_name) );
  editors.add( editorBean );
   }
   return editors;
   ...
}

and my EditorBean is like:

public class EditorBean 
{
   private String name;

   public EditorBean() {}

   public EditorBean( String name )
   {
  this.name = name;
   }
   public String getName() {
  return Name;
   }
   public void setName( String name ) {
  this.name = name;
   }
}

After editors is returned, I create a session
object:

session.setAttribute( EDITORS, editors );

How do I create a drop-down list for this collection
of editors?

html:select size=1 property=??
multiple=false
html:options collection=?? property=name
labelProperty=name/
/html:select



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re: Getting ArrayList of objects from my form bean into my drop down list - solution

[Caroline Jen]

What a good timing to see this post.  I was about to
do the same thing in the next day or two.

I have an ArrayList of JavaBean objects created from
accessing the database:

while(rs.next())
{
   editorBean=new
EditorBean(rs.getString(user_name));
   editors.add(editorBean);
}
   return editors;

Obviously, each EditorBean object is the value of the
user_name.  If I have this 
request.setAttribute( EDITORS, editors );

How do I create a drop-down list?  Please comment the
way I tend to code:

html:select property=editors multiple=false
  bean:define id=EDITORS name=??
property=editors/
  html:options collection=EDITORS property=? 
labelProperty=??/
/html:select

What should I do with those places I marked with the
question marks (?)
--- Janice [EMAIL PROTECTED] wrote:
 Just in case some other newbies are doing the same
 thing, this was my
 solution:
 
 html:select property=projCodeName
   bean:define id=codes name=projectForm
 property=projCodeNames/
   html:options collection=codes property=name
 labelProperty=name/
 /html:select
 
 Its making a new bean on the .jsp page with my
 ArrayList that was in my form
 bean, and then I can easily get the values from it.
 
 (I can't wait until this stuff is all second nature!
  I haven't even started
 doing anything difficult yet!)
 
 

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How To Display the Information That Is Wrapped In a Session Object

[Caroline Jen]

1. I my action class, I reference a bean 

EditorBean editor = EditorBean.findEditorData(
username );

2. this bean accesses the data access logic and the
bean gets populated by information fetched from the
database (see the code below)

3. In the action class, I then wrap editor in a
session object:

HttpSession session = request.getSession();
editor.setUserrole( request.getParameter( userrole )
);
editor.setCategory( request.getParameter( category )
);
session.setAttribute( editor, editor );

4. In the JSP, how do I get userrole and category from
the session object and how to display them in Struts?

Here is my EditorBean class:

public class EditorBean {

   private String username;
   private String userrole;
   private String category;

   // UserDAO and MySQLUserDAO are in another package.
 Must import that package.
   // should not instantiate an interface because it
does not have a constructor
   static EditorDAO ed = new MySQLEditorDAO();

   public EditorBean() {}
   public EditorBean( String username, String
userrole, String category )
   {
  setUsername( username );
  setUserrole( userrole );
  setCategory( category );
   }
   public String getUsername() {
  return username;
   }
   public void setUsername( String username ) {
  this.username = username;
   }
   public String getUserrole() {
  return userrole;
   }
   public void setUserrole( String userrole ) {
  this.userrole = userrole;
   }
   public String getcategory() {
  return category;
   }
   public void setCategory( String category ) {
  this.category = category;
   }
   public static EditorBean findEditorData( String
username ) 
   {
  return ed.findEditor( username );
   } 
}



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Off Topic, Problem With Passing Business Bean in Between Classes As Part of My Struts Application

[Caroline Jen]

It is not a Struts problem.  But, it is the problem I
encounter in my Struts application.  Please help.  I
am NOT showing all my code.  For example, I skip the
DAO interface, and the class that returns a connection
object from the connection pool.  Nonetheless, those
classes are irrelevant to my question.

The root of my problem is that I do not know how to
pass data that are wrapped in a business bean in
between classes.  THE JAVA COMPILER DOES NOT RECOGNIZE
THE BUSINESS BEAN!

1. I have a controller Servlet that reads the
username that is supplied by a visitor of the web
site. I want to search the database by the username
and get some information about that user; such as
userrole, category, etc. A business bean sits in
between the controller servlet and the database. Here
is the partial code of the controller servlet:
[code]
// the statement below has problems
EditorBean editorData;
// Obtain username and password from web tier
String username = request.getParameter( username );
// find the editor's information via the business tier

// Again, the parameters that I supplied in the method
below have problems
EditorBean editor = EditorBean.findEditorData(
username, editorData );
// wrap the information found in the database in a
session object and go on
HttpSession session = request.getSession();
editor.setUserrole( request.getParameter( userrole )
);
editor.setCategory( request.getParameter( category )
);
session.setAttribute( editor, editor );
[/code]
2. I have this EditorBean class. This EditorBean is a
business bean. I am struggling with how the EditorBean
pass the data in between the controller and the
database.
[code]
import org.apache.artimus.logon.dao.*;
public class EditorBean 
{   
   private String username;
   private String userrole;
   private String category;
   EditorDAO ed = new MySQLEditorDAO();
   public EditorBean() {}
   public EditorBean( String username, String
userrole, String category )
   {
  setUsername( username );
  setUserrole( userrole );
  setCategory( category );
   }
   public String getUsername(){ return username; }
   public void setUsername( String username ) {
this.username = username; }
   public String getUserrole(){ return userrole; }
   public void setUserrole( String userrole ) {
this.userrole = userrole; }
   public String getcategory(){ return category; }
   public void setCategory( String category ) {
this.category = category; }
   // the parameters in the method below have problems
   public EditorBean findEditorData( String username,
EditorBean editorData )
   {
  // What do I do here?
  ed.findEditor( String username, ?? );
  // I am not sure what to return here
  return ?;
   }
}
[/code]
3. Here is my data access class:
[code]
import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.SQLException;
import
org.apache.artimus.logon.exceptions.EditorDAOSysException;
import org.apache.artimus.ConnectionPool.DBConnection;

public class MySQLEditorDAO implements EditorDAO{
   // the parameters of the method below have problems
   public EditorBean findEditor( String username,
?? )
throws EditorDAOSysException
   {
  Connection conn = null;
  Statement stmt = null;
  ResultSet rs = null;
  try
  {
 conn = DBConnection.getDBConnection();
 stmt = conn.createStatement();
 String query = SELECT user_role,
journal_category FROM members WHERE user_name = ' +
username + ';
 rs = stmt.executeQuery( query );
 if (rs.next())
 {
// something is wrong in returning the
information about that editor
return new EditorBean( username,
rs.getString( user_role ), rs.getString(
journal_category) );
 }
 else
 {
System.out.println( invalid user name );
return null;
 }
  }
  catch (SQLException se)
  {
 throw new
EditorDAOSysException(SQLException:  +
se.getMessage());
  }
  finally
  {
 if ( conn != null )
 {
try
{
   rs.close();
   rs = null;
   stmt.close();
   stmt = null;
   conn.close();
}
catch( SQLException sqlEx )
{
   System.out.println( Problem occurs
while closing  + sqlEx );
}
conn = null;
 }
  }
   }
}
[/code]


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FAQ (Passing Variables Between Actions); But, Stuck and Need Help

[Caroline Jen]

Passing variables from one action to another is a
frequently asked question.  The answer is to use
either hidden fields or a session object.  

The story starts with searching the database.  My
application offers options to search the database by
author, title of the article, article ID, or . I
have a drop-down list in my JSP for visitors to make a
selection.  By clicking on one of those options, the
property dispatch is set.  And the visitor fills out
the text field to set keyValue.  With both
dispatch and keyValue forwarded to an action; say,
Action ONE, the desired articles can be retrieved from
the database.  So far so good.

What I have handled next is the author's page of the
web site.  An author can only view his own articles
and perform update, delete, save, ... functions.  I
use the hidden field technique to handle it.  The
property dispatch is arbitrarily set as author
(needless to say) and keyValue can be obtained by

String username = request.getRemoteUser();

And,

html:hidden property=dispatch value=author/
html:hidden property=keyValue
value=%=username%/

are forwarded to the same action (Action ONE) for
processing.  Again, no problem.

Now, the application has another user case -  editors.
 An editor only retrieve and view all articles in
his/her own field of specialization.  I arbitrarily
set dispatch as field_of_specialization and use
the hidden field technique:

html:hidden property=dispatch
value=field_of_Specialization/

Nonetheless, the way to get the value the editor's
field of specialization is from the database.  Because
editors are registered members of the web site, the
application should be able to look for his/her profile
and obtain his/her field of specialization in the
database once an editor successfully logs into the web
site.  Therefore, it takes an action (Action TWO)
that tells the business tier to find the keyValue in
the database.  And should I put the keyValue in a
session object.  

I have tried to handle this situation again and again
in many different ways.  I am very frustrated and need
help -- how does a user go from by clicking a button
in a JSP to go to Action TWO (get the keyValue) and
then forward this keyValue and 

html:hidden property=dispatch
value=field_of_Specialization/
 
to Action ONE for retrieving the desired articles from
the database?





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Re: FAQ (Passing Variables Between Actions); But, Stuck and Need Help

[Caroline Jen]

Thank you for the very useful and constructive
feedbacks.

I think I am going for the first method that you
suggested - create a user bean and store it in a 
session object at login.  My concern is that I use
container managed authentication at login.  After the
container does its job, is there any way other than
using an Action that delegates the business tier to
search the database and obtain the value of
field_of_specialization?  If an action has to be
involved at this point to form a session object, does
it suffer the the disadvantage of being overwritten if
the user has more than one browser window opened?

In regard to the two-action approach that you
discussed toward the end of your message, I
encountered some problems.  If you would take a look
at the problem -  I provide a buttion in editor's
page, which is a JSP tile:

req:isUserInRole role=editor
html:form action=/do/editor/Category
html:submitView Articles/html:submit
/html:form
/req:isUserInRole

If the button is clicked, I attempt to use an Action
(via the path /editor/Category) to search the database
for the field_of_specialization.  However, I got this
message in the browser:

[ServletException in:/article/content/menu.jsp] Cannot
retrieve mapping for action /do/editor/Category'

and in my struts-config.xml

action 
path=/editor/Category
   
type=org.apache.artimus.article.EditorViewAction
forward
name=success
path=/menu/Find/
/action
 
-Caroline
--- Adam Hardy [EMAIL PROTECTED]
wrote:
 On 11/06/2003 08:26 AM Caroline Jen wrote:
  Passing variables from one action to another is a
  frequently asked question.  The answer is to use
  either hidden fields or a session object.  
  
 [snip...]
  Now, the application has another user case - 
 editors.
   An editor only retrieve and view all articles in
  his/her own field of specialization.  I
 arbitrarily
  set dispatch as field_of_specialization and
 use
  the hidden field technique:
  
  html:hidden property=dispatch
  value=field_of_Specialization/
  
  Nonetheless, the way to get the value the
 editor's
  field of specialization is from the database. 
 Because
  editors are registered members of the web site,
 the
  application should be able to look for his/her
 profile
  and obtain his/her field of specialization in the
  database once an editor successfully logs into the
 web
  site.  Therefore, it takes an action (Action
 TWO)
  that tells the business tier to find the
 keyValue in
  the database.  And should I put the keyValue in
 a
  session object.  
 
 One method that I use is to create a user bean and
 store that in the 
 session at login. This bean could include your
 editor's field of 
 specialization, so that you don't need an extra
 action.
 
 Secondly, you could drop the Action One by
 incorporating the field of 
 specialization as a part of one SQL statement, so
 that you never 
 actually extract the field of specialization from
 the DB. I.e. something 
 like this:
 
 SELECT article_title, article_text FROM app_user,
 article
 WHERE app_user.user_name = ?
 AND app_user.field_of_specialization =
 article.field_of_specialization
 
 Alternatively if you still want to do 2 actions, I
 have seen people 
 handle it in various ways: (1) get the
 action-forward in your action and 
 modify the path to add a query_string with your
 keyValue on it (2) put 
 the keyValue in a cookie (3) as you said, put it in
 the session. 2  3 
 have the disadvantage that they could be overwritten
 if the user has 
 more than one browser window open.
 
 HTH
 Adam
 
 -- 
 struts 1.1 + tomcat 5.0.12 + java 1.4.2
 Linux 2.4.20 RH9
 

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Why the Action Mapping Cannot Be Retrieved?

[Caroline Jen]

I got this message in the browser:
[ServletException in:/article/content/menu.jsp] Cannot
retrieve mapping for action /do/editor/Category'
 
The menu.jsp is a tile in my application.  This is my
tile menu.jsp:

req:isUserInRole role=editor
html:form action=/do/editor/Category
TR
TD class=option
html:submit style=font: 10pt sans-serif White;
background:Teal; width:130px; height:30pxView
Articles/html:submit
/TD
/TR
/html:form
/req:isUserInRole

If I change the statement that causes the
ServletException to 

html:form action=editor/Category

I got 
[ServletException in:/article/content/menu.jsp] Cannot
retrieve definition for form bean null' 

However, I have no problem if menu.jsp is like:

req:isUserInRole role=editor
html:form action=/menu/Find
TR
TD class=option
html:submit style=font: 10pt sans-serif White;
background:Teal; width:130px; height:30pxView
Articles/html:submit
/TD
/TR
/html:form
/req:isUserInRole

The /menu/Find in my struts-config.xml is

action
path=/menu/Find
   
type=org.apache.struts.scaffold.ParameterAction
name=menuForm
validate=false
parameter=keyValue
forward
name=title
   
path=/do/find/Property?keyName=titleamp;keyValue=/
forward
name=author
   
path=/do/find/Property?keyName=creatoramp;keyValue=/
forward
name=journal_category
   
path=/do/find/Property?keyName=journal_categoryamp;keyValue=/
forward
name=content
   
path=/do/find/Property?keyName=contentamp;keyValue=/
forward
name=article
path=/do/article/View?article=/
/action

And, /editor/Category in my struts-config.xml is like:

action 
path=/editor/Category
   
type=org.apache.struts.scaffold.ProcessAction
   
parameter=org.apache.artimus.article.EditorViewAction
forward
name=success
path=/menu/Find/
/action



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RE: Handling Session Timeout

[Caroline Jen]

People have suggested servlet filter is a good choice
to check session time-out that if I want all servlets
and JSPs remain intact.

I do not have any idea how it works in Struts.  First
of all, I think this servlet filter has to be declared
in the web.xml.  I have many actions in the struts
application.  How do I call this servlet filter
whenever the flow goes to an action?  Do I code 

HttpSession session = request.getSession( false );
if ( session != null) 
{
   session.removeAttribut( ... );
   session.invalidate();
}

in the doFilter(); ?


--- Seyhan BASMACI (Internet Yazilimlari Yetkilisi)
[EMAIL PROTECTED] wrote:
 
 try this  :)
 
 
 public class SessionRequestProcessor extends
 TilesRequestProcessor{
   protected String processPath(HttpServletRequest
 request,

 HttpServletResponse response)
 throws IOException 
  {
   
   String origPath = request.getRequestURI();
 
if(!origPath.endsWith(/Login.do)){
 
   HttpSession session =  
 request.getSession(false);  // get session only if
 it exists 
 
 
   if (session != null ) {// session
 available, 
 
   return super.processPath(request,
 response);  
 
   }
   
   else// redirect to login
 page 
   
   return /Login; // returns without .do
   } 
 
   else {
 
   HttpSession session = 
 request.getSession(false);  // get session only if
 it exists 
 
   if (session != null)   
   session.invalidate(); 
 
   return super.processPath(request, response); 
 // process login page request
   
   }
   
   }
 
   
 
 -Original Message-
 From: Samanth Athrey
 [mailto:[EMAIL PROTECTED]
 Sent: Wednesday, November 05, 2003 5:26 PM
 To: [EMAIL PROTECTED]
 Subject: Handling Session Timeout
 
 
 Hello Gurus
 
 I am trying to handle session timeout by extending
 RequestProcessor. Since
 the processPreprocess(...) method is called before
 the Action.execute(..)
 method, am trying to add that piece of code to check
 if the session is
 valid. The problem am facing is, if i return false
 from this method, the
 requestProcessor will stop processing and return the
 control back to doGet
 or doPost method in ActionServlet. How do I redirect
 it to login.jsp or
 index.jsp from there? Any help/tips would be really
 great.
 
 Thanx.
 Sam
 
 
 
 

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Session Times Out

[Caroline Jen]

I check if session expires for each action in the
application.  If the session times out, I forward the
user to index.jsp so that the user can log on again.  

How do I inform the user with a message that he/she is
at the welcome page because the session has expired?

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Re: findByProperty() in the scaffold.sql.AccessBase - Need One Additional Parameter to the Pair of Property/Value

[Caroline Jen]

Please help.  Need your clever ideas.  Thank you.
--- Caroline Jen [EMAIL PROTECTED] wrote:
 I am using the findByProperty method in the
 org.apache.commons.scaffold.sql.AccessBase.  The
 findByProperty method takes one pair of
 property/value as it parameters.  As such, visitors
 of
 the web site can query all articles in the database
 by
 providing 'author' as the property and supply the
 name
 of the author (xyz) as value.
 
 public static final Collection findByProperty
 (
 Object target,
 String property,
 String value
 ) throws ParameterException, PopulateException,
 ResourceException
 
 I have this field category in my database.  I want
 to search and get all the articles written by
 author(property) with name xyz (value) within the
 HISTORY category.  The value of the category will be
 supplied by the application developer (NOT BY THE
 VISITOR of the web site via selecting from a
 drop-down
 list and fill out the value in the text field).
 
 I need help in handling this kind of situation. 
 Thanks in advance.
 
 -Caroline
 
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Buttons in Struts

[Caroline Jen]

We have html:submit for the submit buttion in
struts.  I am trying to add some additional features
to the submit button:

BUTTON TYPE=submit NAME=submit VALUE=submit
STYLE=font: 10pt Arial Black; background:Teal
width:75px; height:25pxRead/Send Mails/BUTTON

I wonder if there is something like it in struts.

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How To Submit A Propery/Value Pair That Is Not Selected/Filled-Out By Visitors of the Website?

[Caroline Jen]

In the welcome page, all visitors of the web site can
choose to view any article that is available in the
database.  But, visitors will not be able to delete or
update any of those articles (DELETE, UPDATE, etc.
buttons are not provided).  This part of my struts
application works well.  I have a drop-down list
enclosed in html:form for visitors to make a
selection and submit it for an action to be taken:

html:form action=/menu/Find
TR
TD class=label nowrapFind articles by: /TD
TD class=input
html:select size=1 property=dispatch
onchange=document.forms[1].elements[2].focus()
html:options collection=FIND property=value
labelProperty=label/
/html:select

html:text property=keyValue size=20
maxlength=50/
/TD
TDhtml:submitGO/html:submit/TD
/TR
/html:form 

Visitor can choose articles by title, author,
category, content, or article ID.  If author is
selected from the drop-down list and the name of the
author Victor Hugo is supplied, keyName will be set
as creator and keyValue will be set as Victor Hugo for
further processing as shown in my struts-config.xml
below:

action
path=/menu/Find
   
type=org.apache.struts.scaffold.ParameterAction
name=menuForm
validate=false
parameter=keyValue
forward
name=title
   
path=/do/find/Property?keyName=titleamp;keyValue=/
forward
name=author
   
path=/do/find/Property?keyName=creatoramp;keyValue=/
forward
name=journal_category
   
path=/do/find/Property?keyName=journal_categoryamp;keyValue=/
forward
name=content
   
path=/do/find/Property?keyName=contentamp;keyValue=/
forward
name=article
path=/do/article/View?article=/
/action


After a registered visitor successfully logs in, a
user specific page is displayed.  For example, after
the author Victor Hugo who has submitted several of
his articles at the web site logs in, he will see a
page with Submit Article and View Article (IT IS A
LINK OR A BUTTON.  IT IS NOT A DROP DOWN LIST), etc. 
The author can view his own articles only because
DELETE, UPDATE, etc. buttons will be provided.

I am stuck here.  There is no drop-down list for
Victor Hugo.  How do I supply keyName (which is
creator) and keyValue (request.getRemoteUser) to the
action below if Victor Hugo clicks on the View
Article button?

action
path=/menu/Find

parameter=keyValue

forward
name=author
   
path=/do/find/Property?keyName=creatoramp;keyValue=/

/action




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findByProperty() in the scaffold.sql.AccessBase - Need One Additional Parameter to the Pair of Property/Value

[Caroline Jen]

I am using the findByProperty method in the
org.apache.commons.scaffold.sql.AccessBase.  The
findByProperty method takes one pair of
property/value as it parameters.  As such, visitors of
the web site can query all articles in the database by
providing 'author' as the property and supply the name
of the author (xyz) as value.

public static final Collection findByProperty
(
Object target,
String property,
String value
) throws ParameterException, PopulateException,
ResourceException

I have this field category in my database.  I want
to search and get all the articles written by
author(property) with name xyz (value) within the
HISTORY category.  The value of the category will be
supplied by the application developer (NOT BY THE
VISITOR of the web site via selecting from a drop-down
list and fill out the value in the text field).

I need help in handling this kind of situation. 
Thanks in advance.

-Caroline

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Modifying the ParameterAction Class in the org.apache.struts.scaffold

[Caroline Jen]

I am trying to modify the behavior of the
ParameterAction.java in the org.apache.struts.scaffold
to tailor it to my specific need.  

I put the struts.jar and struts-scaffold.jar in my
classpath while compiling the sub-class.  Nonetheless,
I got 

cannot resolve symbol
symbol: class ParameterAction

Here is my AuthorParameterAction that extends
ParameterAction:

package org.apache.artimus.article;

import java.io.IOException;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.scaffold.lang.Tokens;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionServlet;

public class AuthorParameterAction extends
ParameterAction {

protected ActionForward findSuccess(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {

// Get dispatch parameter
String parameter =
request.getParameter(Tokens.DISPATCH);

   // Get stub URI from mapping
(/do/whatever?paramName=)
StringBuffer path = new StringBuffer(64);
   
path.append(mapping.findForward(parameter).getPath());
// Append the value passed
(/do/whatever?paramName=paramProperty)
path.append(request.getRemoteUser());

// Return a new forward based on
stub+value
return new ActionForward(path.toString());

}

} // end AuthorParameterAction


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Hidden Field

[Caroline Jen]

html:hidden property=dispatch value=author/
works well because author is expected literally as
the value of a property called dispatch.

I also want to pass 
String username = request.getRemoteUser(); 
as the value of a property called keyValue.

But,
html:hidden property=keyValue value=username/
or
html:hidden property=keyValue value=username/

gives me problems.  What is the proper way of doing it?

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isUerInRole and request.tld

[Caroline Jen]

I have checked the syntax of the isUserInRole in the
request.tld, which is:

req:isUserInRole role=administrator 
%-- do something --%
/req:isUserInRole

Is it possible to specify more than one role?  What is
the syntax of specifying that?  My application has
many roles.  In some cases, both administrator and
say, contributor share doing the same thing.





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Forward Cannot Be Achieved In One Step

[Caroline Jen]

Hi, I have the following code in the navbarMenu.jsp:

html:link forward=exitLOGOUT/html:link

and in the struts-config.xml, I have:

forward
   name=exit
   path=/do/Logoff/

and 

action 
   path=/Logoff
   type=org.NameOfOrganization.signoff.LogoffAction
 forward
 name=success
 path=/do/Menu/
/action

In the LogoffAction.java, I invalidate the session and
I want the user to go back the welcome page.

The problem is that it takes two steps for the user to
go back to the welcome page - After the first click,
the same screen remains in the browser.  The only
change is what is shown in the address bar.  I have to
click the LOGOFF button again and then the welcome
page is displayed.  

What should I do to go back to the welcome page in one step?

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Re: Forward Cannot Be Achieved In One Step

[Caroline Jen]

The do/Menu does display my welcome page.  The
LOGOUT button and forward does eventually lead the
visitor to the welcome page.  The problem is that it
takes two steps intead of going straight to the
welcome page.  Let me re-state my problem:

I have the following code in the navbarMenu.jsp:

html:link forward=exitLOGOUT/html:link

and in the struts-config.xml, I have:

forward
   name=exit
   path=/do/Logoff/

and 

action 
   path=/Logoff
   type=org.NameOfOrganization.signoff.LogoffAction
 forward
 name=success
 path=/do/Menu/
/action

In the LogoffAction.java, I invalidate the session and
I want the user to go back the welcome page.  And 

action
  path=/Menu
  name=menuForm

type=org.apache.struts.scaffold.ExistsAttributeAction
  parameter=application;HOURS
forward
   name=success
   path=.article.Menu/
forward
   name=failure
   path=/do/MenuCreate/

The .article.Menu is my tile that displays the welcome
page.

The problem is that it takes two steps for the user to
go back to the welcome page - After the first click,
the same screen remains in the browser.  The only
change is what is shown in the address bar.  I have to
click the LOGOFF button again and then the welcome
page is displayed.  

What should I do to go back to the welcome page in one
step?

--- Ruth, Brice [EMAIL PROTECTED] wrote:
 Is your Menu actionforward the welcome screen you
 want to get to? And 
 does your Action return an ActionForward to this?
 
 Caroline Jen wrote:
 
 Hi, I have the following code in the
 navbarMenu.jsp:
 
 html:link forward=exitLOGOUT/html:link
 
 and in the struts-config.xml, I have:
 
 forward
name=exit
path=/do/Logoff/
 
 and 
 
 action 
path=/Logoff
   
 type=org.NameOfOrganization.signoff.LogoffAction
  forward
  name=success
  path=/do/Menu/
 /action
 
 In the LogoffAction.java, I invalidate the session
 and
 I want the user to go back the welcome page.
 
 The problem is that it takes two steps for the user
 to
 go back to the welcome page - After the first
 click,
 the same screen remains in the browser.  The only
 change is what is shown in the address bar.  I have
 to
 click the LOGOFF button again and then the welcome
 page is displayed.  
 
 What should I do to go back to the welcome page in
 one step?
 
 __
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 [EMAIL PROTECTED]
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 -- 
 Brice D. Ruth
 Sr. IT Analyst
 Fiskars Brands, Inc.
 
 
 

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RE: Forward Cannot Be Achieved In One Step

[Caroline Jen]

Thanks for the reply.  Now, I understand that I have
two actions.  However, I do quite understand what you
suggested.  You said:

u can also use 
html:link action=/Logofflogoff/html:link
where logoff is ur global forward.
html:link forward=/Logofflogoff/html:link

I still have two actions if I use 
html:link action=/do/Logofflogoff/html:link

because I have

action 
   path=/Logoff
   type=org.NameOfOrganization.signoff.LogoffAction
 forward
name=success
path=/do/Menu/
/action
 
In the LogoffAction.java, I invalidate the session
and I want the user to go back the welcome page.  And

action
  path=/Menu
  name=menuForm
type=org.apache.struts.scaffold.ExistsAttributeAction
  parameter=application;HOURS
 forward
name=success
path=.article.Menu/
 forward
name=failure
path=/do/MenuCreate/
 
The .article.Menu is my tile that displays the welcome
page.



--- [EMAIL PROTECTED] wrote:
 u can also use 
 html:link action=/Logofflogoff/html:link
 where logoff is ur global forward.
 html:link forward=/Logofflogoff/html:link
 hence it wont be a 2 step stuff but directly calling
 ur Action class which does cleanup work for the log
 off process as session cleaning up and invalidating
 the other objects (probably signing off the user),
 And forwards later on to one of the jsp's 
 U can create a global forward for the same too which
 represents an action.
 I guess its only available in 1.1 version of Struts.
 
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: 28 October 2003 17:05
 To: Struts Users Mailing List
 Subject: Re: Forward Cannot Be Achieved In One Step
 
 
 The do/Menu does display my welcome page.  The
 LOGOUT button and forward does eventually lead the
 visitor to the welcome page.  The problem is that it
 takes two steps intead of going straight to the
 welcome page.  Let me re-state my problem:
 
 I have the following code in the navbarMenu.jsp:
 
 html:link forward=exitLOGOUT/html:link
 
 and in the struts-config.xml, I have:
 
 forward
name=exit
path=/do/Logoff/
 
 and 
 
 action 
path=/Logoff
   
 type=org.NameOfOrganization.signoff.LogoffAction
  forward
  name=success
  path=/do/Menu/
 /action
 
 In the LogoffAction.java, I invalidate the session
 and
 I want the user to go back the welcome page.  And 
 
 action
   path=/Menu
   name=menuForm
 

type=org.apache.struts.scaffold.ExistsAttributeAction
   parameter=application;HOURS
 forward
name=success
path=.article.Menu/
 forward
name=failure
path=/do/MenuCreate/
 
 The .article.Menu is my tile that displays the
 welcome
 page.
 
 The problem is that it takes two steps for the user
 to
 go back to the welcome page - After the first click,
 the same screen remains in the browser.  The only
 change is what is shown in the address bar.  I have
 to
 click the LOGOFF button again and then the welcome
 page is displayed.  
 
 What should I do to go back to the welcome page in
 one
 step?
 
 --- Ruth, Brice [EMAIL PROTECTED] wrote:
  Is your Menu actionforward the welcome screen
 you
  want to get to? And 
  does your Action return an ActionForward to this?
  
  Caroline Jen wrote:
  
  Hi, I have the following code in the
  navbarMenu.jsp:
  
  html:link forward=exitLOGOUT/html:link
  
  and in the struts-config.xml, I have:
  
  forward
 name=exit
 path=/do/Logoff/
  
  and 
  
  action 
 path=/Logoff

 
 type=org.NameOfOrganization.signoff.LogoffAction
   forward
   name=success
   path=/do/Menu/
  /action
  
  In the LogoffAction.java, I invalidate the
 session
  and
  I want the user to go back the welcome page.
  
  The problem is that it takes two steps for the
 user
  to
  go back to the welcome page - After the first
  click,
  the same screen remains in the browser.  The only
  change is what is shown in the address bar.  I
 have
  to
  click the LOGOFF button again and then the
 welcome
  page is displayed.  
  
  What should I do to go back to the welcome page
 in
  one step?
  
  __
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  Exclusive Video Premiere - Britney Spears
  http://launch.yahoo.com/promos/britneyspears/
  
 

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  To unsubscribe, e-mail:
  [EMAIL PROTECTED]
  For additional commands, e-mail:
  [EMAIL PROTECTED]
  

  
  
  -- 
  Brice D. Ruth
  Sr. IT Analyst
  Fiskars Brands, Inc.
  
  
  
 

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  [EMAIL PROTECTED]
  For additional commands, e-mail:
  [EMAIL PROTECTED]
  
 
 
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 search
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 [EMAIL

RE: Forward Cannot Be Achieved In One Step

[Caroline Jen]

Let me re-phrase my question.

Upon the user click on the LOGOUT buttion, I have two
actions - the first one of the actions is Logoff.java
in which I invalidate the session, ..., etc. and the
second action upon success will lead the user to the
welcome page in which choices for unregistered member
plus a LOGON buttion is provided.
 
As long as two actions are involved, the user does not
get back to the welcome page by just click on the
LOGOFF button only once. 

Need your guidance on how such a situation is usually
handled? 


--- Caroline Jen [EMAIL PROTECTED] wrote:
 Thanks for the reply.  Now, I understand that I have
 two actions.  However, I do quite understand what
 you
 suggested.  You said:
 
 u can also use 
 html:link action=/Logofflogoff/html:link
 where logoff is ur global forward.
 html:link forward=/Logofflogoff/html:link
 
 I still have two actions if I use 
 html:link action=/do/Logofflogoff/html:link
 
 because I have
 
 action 
path=/Logoff
   
 type=org.NameOfOrganization.signoff.LogoffAction
  forward
 name=success
 path=/do/Menu/
 /action
  
 In the LogoffAction.java, I invalidate the session
 and I want the user to go back the welcome page. 
 And
 
 action
   path=/Menu
   name=menuForm

type=org.apache.struts.scaffold.ExistsAttributeAction
   parameter=application;HOURS
  forward
 name=success
 path=.article.Menu/
  forward
 name=failure
 path=/do/MenuCreate/
  
 The .article.Menu is my tile that displays the
 welcome
 page.
 
 
 
 --- [EMAIL PROTECTED] wrote:
  u can also use 
  html:link action=/Logofflogoff/html:link
  where logoff is ur global forward.
  html:link forward=/Logofflogoff/html:link
  hence it wont be a 2 step stuff but directly
 calling
  ur Action class which does cleanup work for the
 log
  off process as session cleaning up and
 invalidating
  the other objects (probably signing off the user),
  And forwards later on to one of the jsp's 
  U can create a global forward for the same too
 which
  represents an action.
  I guess its only available in 1.1 version of
 Struts.
  
  
  -Original Message-
  From: Caroline Jen [mailto:[EMAIL PROTECTED]
  Sent: 28 October 2003 17:05
  To: Struts Users Mailing List
  Subject: Re: Forward Cannot Be Achieved In One
 Step
  
  
  The do/Menu does display my welcome page.  The
  LOGOUT button and forward does eventually lead
 the
  visitor to the welcome page.  The problem is that
 it
  takes two steps intead of going straight to the
  welcome page.  Let me re-state my problem:
  
  I have the following code in the navbarMenu.jsp:
  
  html:link forward=exitLOGOUT/html:link
  
  and in the struts-config.xml, I have:
  
  forward
 name=exit
 path=/do/Logoff/
  
  and 
  
  action 
 path=/Logoff

 
 type=org.NameOfOrganization.signoff.LogoffAction
   forward
   name=success
   path=/do/Menu/
  /action
  
  In the LogoffAction.java, I invalidate the session
  and
  I want the user to go back the welcome page.  And 
  
  action
path=/Menu
name=menuForm
  
 

type=org.apache.struts.scaffold.ExistsAttributeAction
parameter=application;HOURS
  forward
 name=success
 path=.article.Menu/
  forward
 name=failure
 path=/do/MenuCreate/
  
  The .article.Menu is my tile that displays the
  welcome
  page.
  
  The problem is that it takes two steps for the
 user
  to
  go back to the welcome page - After the first
 click,
  the same screen remains in the browser.  The only
  change is what is shown in the address bar.  I
 have
  to
  click the LOGOFF button again and then the
 welcome
  page is displayed.  
  
  What should I do to go back to the welcome page in
  one
  step?
  
  --- Ruth, Brice [EMAIL PROTECTED] wrote:
   Is your Menu actionforward the welcome screen
  you
   want to get to? And 
   does your Action return an ActionForward to
 this?
   
   Caroline Jen wrote:
   
   Hi, I have the following code in the
   navbarMenu.jsp:
   
   html:link forward=exitLOGOUT/html:link
   
   and in the struts-config.xml, I have:
   
   forward
  name=exit
  path=/do/Logoff/
   
   and 
   
   action 
  path=/Logoff
 
  
 
 type=org.NameOfOrganization.signoff.LogoffAction
forward
name=success
path=/do/Menu/
   /action
   
   In the LogoffAction.java, I invalidate the
  session
   and
   I want the user to go back the welcome page.
   
   The problem is that it takes two steps for the
  user
   to
   go back to the welcome page - After the first
   click,
   the same screen remains in the browser.  The
 only
   change is what is shown in the address bar.  I
  have
   to
   click the LOGOFF button again and then the
  welcome
   page is displayed.  
   
   What should I do to go back to the welcome page
  in
   one step?
   
   __
   Do you Yahoo!?
 
=== message truncated

RE: Forward Cannot Be Achieved In One Step

[Caroline Jen]

I have tried your suggestion.  It still takes two
steps to go back to the welcome page.  

As long as there are two actions in between, it does
not seem that I can go directly from clicking the
LOGOUT buttion to have the welcome page displayed.

I really wish to learn what people usually do - the
first one of those two actions is Logoff.java in which
I invalidate the session, ..., etc. and the second
action upon success will lead the user to the welcome
page in which choices available for unregistered
members plus a LOGON buttion are provided.

-Caroline

--- Yansheng Lin [EMAIL PROTECTED] wrote:
 At the end of your first action execute() method, do
 
 a redirect to the second action. Something like the 
 following:
   return new ActionForward(secondAction.do);
 
 Hope this helps!
 
 -Yan
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED] 
 Sent: October 28, 2003 2:51 PM
 To: Struts Users Mailing List
 Subject: RE: Forward Cannot Be Achieved In One Step
 
 
 Let me re-phrase my question.
 
 Upon the user click on the LOGOUT buttion, I have
 two
 actions - the first one of the actions is
 Logoff.java
 in which I invalidate the session, ..., etc. and the
 second action upon success will lead the user to the
 welcome page in which choices for unregistered
 member
 plus a LOGON buttion is provided.
  
 As long as two actions are involved, the user does
 not
 get back to the welcome page by just click on the
 LOGOFF button only once. 
 
 Need your guidance on how such a situation is
 usually
 handled? 
 
 
 --- Caroline Jen [EMAIL PROTECTED] wrote:
  Thanks for the reply.  Now, I understand that I
 have
  two actions.  However, I do quite understand what
  you
  suggested.  You said:
  
  u can also use 
  html:link action=/Logofflogoff/html:link
  where logoff is ur global forward.
  html:link forward=/Logofflogoff/html:link
  
  I still have two actions if I use 
  html:link action=/do/Logofflogoff/html:link
  
  because I have
  
  action 
 path=/Logoff

 
 type=org.NameOfOrganization.signoff.LogoffAction
   forward
  name=success
  path=/do/Menu/
  /action
   
  In the LogoffAction.java, I invalidate the session
  and I want the user to go back the welcome page. 
  And
  
  action
path=/Menu
name=menuForm
 

type=org.apache.struts.scaffold.ExistsAttributeAction
parameter=application;HOURS
   forward
  name=success
  path=.article.Menu/
   forward
  name=failure
  path=/do/MenuCreate/
   
  The .article.Menu is my tile that displays the
  welcome
  page.
  
  
  
  --- [EMAIL PROTECTED] wrote:
   u can also use 
   html:link action=/Logofflogoff/html:link
   where logoff is ur global forward.
   html:link forward=/Logofflogoff/html:link
   hence it wont be a 2 step stuff but directly
  calling
   ur Action class which does cleanup work for the
  log
   off process as session cleaning up and
  invalidating
   the other objects (probably signing off the
 user),
   And forwards later on to one of the jsp's 
   U can create a global forward for the same too
  which
   represents an action.
   I guess its only available in 1.1 version of
  Struts.
   
   
   -Original Message-
   From: Caroline Jen [mailto:[EMAIL PROTECTED]
   Sent: 28 October 2003 17:05
   To: Struts Users Mailing List
   Subject: Re: Forward Cannot Be Achieved In One
  Step
   
   
   The do/Menu does display my welcome page.  The
   LOGOUT button and forward does eventually lead
  the
   visitor to the welcome page.  The problem is
 that
  it
   takes two steps intead of going straight to the
   welcome page.  Let me re-state my problem:
   
   I have the following code in the navbarMenu.jsp:
   
   html:link forward=exitLOGOUT/html:link
   
   and in the struts-config.xml, I have:
   
   forward
  name=exit
  path=/do/Logoff/
   
   and 
   
   action 
  path=/Logoff
 
  
 
 type=org.NameOfOrganization.signoff.LogoffAction
forward
name=success
path=/do/Menu/
   /action
   
   In the LogoffAction.java, I invalidate the
 session
   and
   I want the user to go back the welcome page. 
 And 
   
   action
 path=/Menu
 name=menuForm
   
  
 

type=org.apache.struts.scaffold.ExistsAttributeAction
 parameter=application;HOURS
   forward
  name=success
  path=.article.Menu/
   forward
  name=failure
  path=/do/MenuCreate/
   
   The .article.Menu is my tile that displays the
   welcome
   page.
   
   The problem is that it takes two steps for the
  user
   to
   go back to the welcome page - After the first
  click,
   the same screen remains in the browser.  The
 only
   change is what is shown in the address bar.  I
  have
   to
   click the LOGOFF button again and then the
  welcome
   page is displayed.  
   
   What should I do to go back to the welcome page
 in
   one
   step?
   
   --- Ruth, Brice [EMAIL PROTECTED] wrote

Re: Forward Cannot Be Achieved In One Step

[Caroline Jen]

Excellent!  It is the way to do it.  Thank you for
your guidance.  It is very dumb of me not to think of
it.
--- Barry Volpe [EMAIL PROTECTED] wrote:
 I go directly to the welcome page this way:
 
 
 struts-config:
 
 action path=/Logoff
 type=com.childrencare.LogoffAction
 forward
 name=success
 path=/index.jsp/
 /action  
 
 In action:
 public final class LogoffAction extends Action {
 
 public ActionForward execute(ActionMapping mapping,
 
 ActionForm form,
 
 HttpServletRequest request,
 
 HttpServletResponse response)
 
 throws IOException, ServletException {
 
 // Extract attributes we will need
 
 HttpSession session = request.getSession();
 
 
 
 String user = (String)
 
 session.getAttribute(Constants.USER_KEY);
 
 // Remove user login
 
 session.removeAttribute(Constants.USER_KEY);
 
 // Return success
 
 return (mapping.findForward(Constants.SUCCESS));
 
 Barry
 
 
 
 
 
 
 
 
 
 - Original Message - 
 From: Caroline Jen [EMAIL PROTECTED]
 To: Struts Users Mailing List
 [EMAIL PROTECTED]
 Sent: Tuesday, October 28, 2003 6:02 PM
 Subject: RE: Forward Cannot Be Achieved In One Step
 
 
  I have tried your suggestion.  It still takes two
  steps to go back to the welcome page.  
  
  As long as there are two actions in between, it
 does
  not seem that I can go directly from clicking the
  LOGOUT buttion to have the welcome page
 displayed.
  
  I really wish to learn what people usually do -
 the
  first one of those two actions is Logoff.java in
 which
  I invalidate the session, ..., etc. and the second
  action upon success will lead the user to the
 welcome
  page in which choices available for unregistered
  members plus a LOGON buttion are provided.
  
  -Caroline
  
  --- Yansheng Lin [EMAIL PROTECTED] wrote:
   At the end of your first action execute()
 method, do
   
   a redirect to the second action. Something like
 the 
   following:
   return new ActionForward(secondAction.do);
   
   Hope this helps!
   
   -Yan
   
   -Original Message-
   From: Caroline Jen [mailto:[EMAIL PROTECTED]
 
   Sent: October 28, 2003 2:51 PM
   To: Struts Users Mailing List
   Subject: RE: Forward Cannot Be Achieved In One
 Step
   
   
   Let me re-phrase my question.
   
   Upon the user click on the LOGOUT buttion, I
 have
   two
   actions - the first one of the actions is
   Logoff.java
   in which I invalidate the session, ..., etc. and
 the
   second action upon success will lead the user to
 the
   welcome page in which choices for unregistered
   member
   plus a LOGON buttion is provided.

   As long as two actions are involved, the user
 does
   not
   get back to the welcome page by just click on
 the
   LOGOFF button only once. 
   
   Need your guidance on how such a situation is
   usually
   handled? 
   
   
   --- Caroline Jen [EMAIL PROTECTED] wrote:
Thanks for the reply.  Now, I understand that
 I
   have
two actions.  However, I do quite understand
 what
you
suggested.  You said:

u can also use 
html:link action=/Logofflogoff/html:link
where logoff is ur global forward.
html:link
 forward=/Logofflogoff/html:link

I still have two actions if I use 
html:link
 action=/do/Logofflogoff/html:link

because I have

action 
   path=/Logoff
  
   
  
 type=org.NameOfOrganization.signoff.LogoffAction
 forward
name=success
path=/do/Menu/
/action
 
In the LogoffAction.java, I invalidate the
 session
and I want the user to go back the welcome
 page. 
And

action
  path=/Menu
  name=menuForm
   
  
 

type=org.apache.struts.scaffold.ExistsAttributeAction
  parameter=application;HOURS
 forward
name=success
path=.article.Menu/
 forward
name=failure
path=/do/MenuCreate/
 
The .article.Menu is my tile that displays the
welcome
page.



--- [EMAIL PROTECTED] wrote:
 u can also use 
 html:link
 action=/Logofflogoff/html:link
 where logoff is ur global forward.
 html:link
 forward=/Logofflogoff/html:link
 hence it wont be a 2 step stuff but directly
calling
 ur Action class which does cleanup work for
 the
 
=== message truncated ===


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My logic Tag Does Not Seem To Work

[Caroline Jen]

Please point out my mistakes.  Does the 'name'
attribute of the logic tag accept an object only?  For
example, I created a session this way:

HttpSession session = request.getSession();
String username = request.getRemoteUser();
session.setAttribute( user, username );

In the LogoffAction, I invalidate the session and want
to forward the visitor to the welcome page.  This is
what I did:

HttpSession session = request.getSession(false);
String username = (String)session.getAttribute( user
);
if (username != null) 
{
   session.removeAttribute( user );
   session.invalidate();
   return (mapping.findForward( success ));
}

I used the logic tag in my welcome.jsp.  It does seem
to work because the LOGOFF button is still displayed.

logic:notPresent name=user
html:link forward=logonLOGON/html:link 
/logic:notPresent
logic:present name=user| 
html:link forward=exitLOGOUT/html:link
/logic:present

-Caroline

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Why the Forward Does Not Achieve In One Step?

[Caroline Jen]

Hi, I have the following code in the navbarMenu.jsp:

html:link forward=exitLOGOUT/html:link

and in the struts-config.xml, I have:

forward
   name=exit
   path=/do/Logoff/

and 

action 
   path=/Logoff
   type=org.NameOfOrganization.signoff.LogoffAction
 forward
 name=success
 path=/do/Menu/
/action

In the LogoffAction.java, I invalidate the session and
I want the user to go back the welcome page.

The problem is that it takes two steps for the user to
go back to the welcome page - After the first click,
the same screen remains in the browser.  The only
change is what is shown in the address bar.  I have to
click the LOGOFF button again and then the welcome
page is displayed.  

What should I do to go back to the welcome page in one step?

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Re: Tiles And Images

[Caroline Jen]

Hi, everybody.  I have my problem solved.  The images
should be relative to the application root (it is
where my mistake was).

Nonetheless, if you do not mind, why it does not work
at all when I tried to put image in the style sheet:

td.bar { 
  background:
url('http://localhost:8080/PracticeVersion/article/assets/styles/images/goldbrush.gif');
}

and I did the following in my JSP:

TD class=bar/TD

--- Ruth, Brice [EMAIL PROTECTED] wrote:
 Just an FYI (and correct me if I'm wrong), but just
 doing html:base/ 
 will pretty much do what all the stuff you have
 below there does - what 
 you have in there is the default behavior of the
 Struts-HTML base tag.
 
 Holman, Cal wrote:
 
 Try searching the archives this is a common issue. 
 The requests for images are based on where the
 template tiles is using is located - not the
 location of the jsp being inserted in the template. 
 One approach is to use the base tag - I do the
 following to ensure all images and links are rooted
 at the same level in the application - the root. 
 This is the simplest, but there are other
 suggestions as well.
 
 This line is in the base template - or any
 template.
 base href=http://%=
 request.getServerName()%:%=

request.getServerPort()%%=request.getContextPath()%/
 
 Images then are referenced from the root of the web
 app - this is from the footer jsp
 
 img src=web/images/footer/struts-power.gif
 width=95 height=37 border=0 alt=struts/
 
 My directory structure is
 
 App
 -- web (web stuff)
 --WEB-INF
 
 Others like the WEB-INF capability to protect
 resources.
 
 Cal 
 
 http://www.calandva.com/Last update
 08/01/03
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: Friday, October 24, 2003 14:42
 To: [EMAIL PROTECTED]
 Subject: Tiles And Images
 
 I use tiles and stylesheet to display my web pages.
  I
 also try to insert some images in those pages.
 
 The tiles work fine.  I have header, footer,
 navbar,
 content, etc. displayed without problem.  But, I am
 curious to know if anybody has had difficulties in
 inserting images.  I have tried various ways and
 cannot succeed. 
 
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 services at www.paymentech.com
 THIS MESSAGE IS CONFIDENTIAL.  This e-mail message
 and any attachments are proprietary and confidential
 information intended only for the use of the
 recipient(s) named above.  If you are not the
 intended recipient, you may not print, distribute,
 or copy this message or any attachments.  If you
 have received this communication in error, please
 notify the sender by return e-mail and delete this
 message and any attachments from your computer.
 

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 [EMAIL PROTECTED]
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 -- 
 Brice D. Ruth
 Sr. IT Analyst
 Fiskars Brands, Inc.
 
 
 

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Tiles And Images

[Caroline Jen]

I use tiles and stylesheet to display my web pages.  I
also try to insert some images in those pages.

The tiles work fine.  I have header, footer, navbar,
content, etc. displayed without problem.  But, I am
curious to know if anybody has had difficulties in
inserting images.  I have tried various ways and
cannot succeed.  

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Tile and html:img

[Caroline Jen]

Thanks for the advices that have been given to my
earlier question regarding inserting images while
using tiles.  

The tiles part works fine.  The browser still has
problem to pick up the image that I try to insert. 
This is what I do:

1. I have html:base/ inside the HEAD tage in the
main JSP page.

2. I use the following code in the header.jsp
TR
TD ALIGN=CENTER
html:img page=images/goldbrush.gif 
  border=0
  alt=[goldbrush]//TD
/TR

3. The header.jsp is in the
ApplicationRoot/article/common folder

4. The images folder is where the header.jsp is; i.e.,
in the 
ApplicationRoot/article/common folder

5. I checked the spelling; including upper/lower
cases, of the path and the name of the image.  I also
checked the extension of the image.

I sort of think it is the path problem.  Please
comment on what I did.  Thank you. 

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RE: Tile and html:img

[Caroline Jen]

Thanks a lot, Cal.  I did View Source and saw my
mistake.  The path of the image should be relative to
the application root.
--- Holman, Cal [EMAIL PROTECTED] wrote:
 Where is the template.jsp?  Can you do view source
 and provide the generated link for the image tag?
 
 Cal
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: Friday, October 24, 2003 21:10
 To: [EMAIL PROTECTED]
 Subject: Tile and html:img
 
 Thanks for the advices that have been given to my
 earlier question regarding inserting images while
 using tiles. 
 
 The tiles part works fine.  The browser still has
 problem to pick up the image that I try to insert.
 This is what I do:
 
 1. I have html:base/ inside the HEAD tage in the
 main JSP page.
 
 2. I use the following code in the header.jsp
 TR
 TD ALIGN=CENTER
 html:img page=images/goldbrush.gif
   border=0
   alt=[goldbrush]//TD
 /TR
 
 3. The header.jsp is in the
 ApplicationRoot/article/common folder
 
 4. The images folder is where the header.jsp is;
 i.e.,
 in the
 ApplicationRoot/article/common folder
 
 5. I checked the spelling; including upper/lower
 cases, of the path and the name of the image.  I
 also
 checked the extension of the image.
 
 I sort of think it is the path problem.  Please
 comment on what I did.  Thank you.
 
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 recipient(s) named above.  If you are not the
 intended recipient, you may not print, distribute,
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 have received this communication in error, please
 notify the sender by return e-mail and delete this
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To the Person Asked About Form-Based Container-Managed (JDBCRealm) Authentication Question

[Caroline Jen]

Hi, I saw your message asking me about the form-based
container-managed authentication in Struts.  I
accidentally deleted your message and could not find
your name and e-mail address.

The following steps are what should be done:

1. configure the JDBCRealm in the Tomcat server.xml,
see
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/realm-howto.html

2. container-managed, form-based authentication is
completely handled by the server.  That is to say, it
is none of Struts business.  Prepare your logon.jsp
and error.jsp (do not use Struts tags).  There is
nothing wrong with your j_security_check, ..., etc.

3. in your web.xml, you have

  login-config
auth-methodFORM/auth-method 
form-login-config 
 
form-login-page/signin/logon.jsp/form-login-page  
 
form-error-page/signin/error.jsp/form-error-page
/form-login-config  
  /login-config 

4. Do not change your action forward in the
struts-config.xml file (i.e. do not forward anything
to logon.jsp because it has nothing to do with Struts)
except add redirect=true.  For example:

 forward
name=logon
redirect=true
path=/do/admin/Menu/

Craig McClanahan wrote a detailed explanation on how
it works (I am quoting what Craig said below):

form-based login is triggered the first time that an
unauthenticated user requests a URL that is protected
by a security constraint.
(1) Unauthenticated user requests a protected resource
(*NOT* the login page!) 
(2) Container remembers the protected resource that
was requested in a private variable. 
(3) Container displays the login page, which must have
a destination of j_security_check, and waits for the
user submit. For some containers, including Tomcat,
this is the one-and-only time that submitting to
j_security_check will not return a 404. 
(4) User enters username and password, and presses the
submit button.
(5) the post to j_security_check is intercepted by
your servlet container, which performs Container
Managed Authentication - it looks for the j_username
and j_password, authenticates the combination, and
forwards to the originally requested resource, or to a
configurable error page if the authentication 
(6) Container authenticates the username (j_username)
and password (j_password) combination. If valid,
container recalls the originally requested resource
saved in (2) and displays *that* to the user in
response to the login submit.  Or forwards to a
configurable error page if the authentication fails.
The important point is that, at no time, did anyone
ever submit a request to the URL of the login page,
because there is no such thing.  Also think of the
login page as part of the container, not part of your
app. 


Let me know if you have further questions.

-Caroline



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How To Use request.tld?

[Caroline Jen]

Where can I find any doc regarding how to use
request.tld?  

I have seen request.tld be imported in a JSP and the
role of the logged-in user is validated this way: 

req:isUserInRole role=administrator

I would like to find out how to use the request.tld to
express this statement:

user.setName( request.getRemoteUser );

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Re: User Authentication implemented in Struts

[Caroline Jen]

My question is similar.  I use container-managed
role-based security checking.  I put role property
in Action Mapping and use isUserInRole in my JSPs. 
For example, John can view the sales reports if he has
the sales role. Now, I want to further restrict John
to view the sales reports in is region only.

People say that I can use the servlet filter. I need
guidance to see some examples.


--- Adam Hardy [EMAIL PROTECTED]
wrote:
 
 
 On 10/22/2003 10:21 PM Ramadoss Chinnakuzhandai
 wrote:
  apologize for repeating my question againI'm
 newbie to Struts and hv basic doubt in security
 level implemented using Struts framework.
  
  we are aware that in normal J2EE application we
 are authenticating user based on user access level
 specified in web-app in web.xml(web container)
  
  My Questions are
  
  1.Are we following the same process of
 authenticating a user against his/her access level
 as that of the above...? if not pls explain how you
 are authentication a user in your struts-based
 application.
  
  2.If yes to the above question Is there someother
 way of authenticating a user available in Sturts? If
 so pls explain how you are authentication a user?
 
 Yes to both: struts leverages the built-in container
 managed security as 
 specified by the servlet spec from Sun.
 
 Adam
 
 -- 
 struts 1.1 + tomcat 5.0.12 + java 1.4.2
 Linux 2.4.20 RH9
 
 

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Re: Cannot find bean org.apache.struts.taglib.html.BEAN in any scope (URGENT)

[Caroline Jen]

I am also in trouble.  My problem is sort of related
to yours although not directly relevant.  I am also
looking for org.apache.struts.taglib.html.BEAN

I am trying to modify Ted Husted's artimus_1_1 example
-  I want to add one more property to his articleForm.

To submit an article in the artimus_1_1 example, his
form.jsp in the /article/content folder asks for
title, author, and article.  I inserted one more text
field:

TR 
TD class=label nowrapJournal Category:/TD
TD class=input
html:text property=journal_category size=30
maxlength=75//TD
/TR

to indicate the academic field of the article.  I got
the error message:

ServletException in: /article/content/form.jsp
No getter method for property journal_category of bean
org.apache.struts.taglib.html.BEAN

Really wish someone could help me out.

--- lover birds [EMAIL PROTECTED] wrote:
 I did not get single reply, so thought of posting
 this mail again.
 I hope I am making some sense by asking this
 question.Please guide me ASAP as I am newbie and
 stuck very badly
 
 lover birds [EMAIL PROTECTED] wrote:
 
 Hi folks,
 
 I am getting this error.
 
 Cannot find bean org.apache.struts.taglib.html.BEAN
 in any scope
 
 I am trying something as follows:
 
 input=/pages/count/List.jsp path=/New
 scope=request/
 
 
 content of List.jsp is
 
 
 
 
 
 New.jsp is absolutely blank:
 
 
 
 
 
 
 
 
 
 
 
 
 
 Click on the New image of the List JSP gives me this
 error.
 
 I would appreciate help in this regard.
 
 I would like to know the best way to forward to a
 specific page on an image click.
 
 
 
 
 
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Keep Them In the Database Or In the Properties File?

[Caroline Jen]

I have to prepare many drop down lists for visitors of
the website to make selections.  For example, I have
the 51 states of the United States prepared like
Virginia=VA, ., etc.  Do I keep the data in a
database or in a properties file?

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Java Compiler Cannot Find the Required JAR File in the Classpath

[Caroline Jen]

I posted this problem before.  Max and Carey answered
my post right away.  I tried and tried   I must be
missing something.

I really do not understand why all of a sudden that
the java compiler cannot find the required JARs in the
classpath.  I have done some similar compilation
before successfully.  My head is not sober enough to
pinpoint the problem this time.  

I am doing the compilation manually (I am not using
ANT or any IDE).

1. I have the commons-scaffold.jar in my
$TOMCAT_HOME/webapps/PracticeVersion/WEB-INF/lib
folder.

2. I have the struts.jar in both
$TOMCAT_HOME/webapps/PracticeVersion/WEB-INF/lib
folder and j2sdk1.4.1_02/jre/lib/ext folder

3. in my java program (Bean.java), I
import org.apache.commons.scaffold.text.ConvertUtils;
import
org.apache.commons.scaffold.util.ProcessBeanBase;
import org.apache.commons.scaffold.lang.Tokens;

4. I first set the classpath 
C:\set
CLASSPATH=C:\jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/src/java;%CLASSPATH%

then, I go to the folder where Bean.java is

C:\cd
jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/src/java/org/apache/artimus/article

then, I try to compile and put the class file in the
destination folder

C:\jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/src/java/org/apache/artimus/articlejavac
-d
C:\jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/classes
Bean.java

But, I get compilation error:

package org.apache.commons.scaffold.text does not
exist
package org.apache.commons.scaffold.util does not
exist
package org.apache.commons.scaffold.lang does not
exist


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Where Do I Create Session, Set Attributes in Struts?

[Caroline Jen]

I use container-managed form-based authentication to
verify users (it works well).  

Now, I want to create a session and set user's name
after users successfully log in:

HttpSession session = request.getSession( true );
if ( session.isNew() ) 
{
   student.setName(request.getParameter(username));
   session.setAttribute(student, student);
   Student stud =
(Student)session.getAttribute(student);
}

First of all, in the context of container managed
authentication, can I write:
 
   student.setName(request.getParameter(username));

Second, what is the proper place to insert the
aforementioned codes.  

The container intercepts and takes care of the
authentication when

 forward
name=logon
redirect=true
path=/do/Menu/

and the action controller is in the scaffold folder:

action
path=/Menu
name=menuForm
   
type=org.apache.struts.scaffold.ExistsAttributeAction
parameter=application;HOURS
forward
name=success
path=.article.Menu/
forward
name=failure
path=/do/MenuCreate/
/action

where .article.Menu is a tile.
 

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Compilation Problem. Help!

[Caroline Jen]

I have all the required jar files in the
MyApp/WEB-INF/lib directory.  Please help me in
identifying the problems with compilation:

1. For example, I have the commons-scaffold.jar in my
$TOMCAT_HOME/webapps/MyApp/WEB-INF/lib folder.

2. I have the struts.jar in the
j2sdk1.4.1_02/jre/lib/ext folder

3. in my java class, I
import org.apache.commons.scaffold.text.ConvertUtils;
import
org.apache.commons.scaffold.util.ProcessBeanBase;
import org.apache.commons.scaffold.lang.Tokens;

But, I get compilation error:

package org.apache.commons.scaffold.text does not
exist

package org.apache.commons.scaffold.util does not
exist

package org.apache.commons.scaffold.lang does not
exist



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Re: How To Work Out This Action Mapping?

[Caroline Jen]

Craig, thank you for your very strong support in the
past day or two to guide me through problems with the
container-managed authentication.

I looked at my web.xml file again and again.  There is
nothing wrong with the order of the elements in that
file.  And there is no stack trace in the log files
that talks about an XML parsing error.

I did some experiments.  I found that as long as I
have the JDBCRealm in the
$TOMCAT_HOME/conf/server.xml, the Tomcat does not
accept security-constraint element in the
application's web.xml file.  And the Tomcat gives me
the required resouce /MyApplication is not availabel
HTTP Status 404. 

Have you seen this kind of problem before?  I have
posted the question at the tomcat-user discussion
forum.

--Caroline

--- Craig R. McClanahan [EMAIL PROTECTED] wrote:
 Caroline Jen wrote:
 
 To answer your questions:
 
 1. The LOGON button links to a forward: 
html:link forward=logonLOGON/html:link
  
and in my struts-config.xml, I have 
 
  forward
 name=logon
 path=/do/admin/Menu/
   
 
 Well, that's the first problem ... security
 constraints are only applied 
 on an original request from the client, not on a
 forward.  You'll need 
 to add redirect=true to this, in order to get the
 client to request it.
 
 2. the security-constraint in my web-xml is:
 
   security-constraint
 web-resource-collection
  

web-resource-nameAdministrative/web-resource-name
 !-- The URLs to protect --
 url-pattern/do/admin/*/url-pattern
 /web-resource-collection
   auth-constraint
 !-- The authorized users --
 role-nameadministrator/role-name
 role-namecontributor/role-name
   /auth-constraint
   /security-constraint
 
 By the way, there is another problem -- after the
 insertion of the security-constraint, the
 application totally stops functioning.  No welcome
 page displayed.  In the browser, I have
 
 HTTP Status 404 -/PracticeVersion
 description: The requested
 resource(/PracticeVersion)
 is not availabe.
 
 and in the Tomcat log file, I have:
 
 LifecycleException: Container
 StandardContext[/PracticeVersion] has not been
 started
   
 
 That means you did not obey the required element
 order in the web.xml 
 file.  You'll undoubtedly see a stack trace in the
 log files that talks 
 about an XML parsing error.
 
 The correct order is defined by the DTD for web.xml
 files.  Among other 
 places, you'll find a copy of the DTDs for Servlet
 2.2 and Servlet 2.3 
 in the lib directory of your Struts distribution. 
 Open either 
 web_app_2_2.dtd or web_app_2_3.dtd (depending on
 which version you're 
 using) and look for the line that starts !ELEMENT
 webapp   The 
 list of element names in parentheses is the required
 order for elements 
 in your own web.xml files.
 
   
 Thereafter, I deleted the security-constraint
 element from the web.xml file.  I have the welcome
 page displayed.  After I click on the LOGON button
 in
 the welcome page, the welcome page remains in the
 browser.  The logon.jsp, which collects j-username,
 j_password, does not get displayed and
 http://localhost:8080/PracticeVersion/do/admin/Menu
 shows in the address bar.
   
 
 Change your forward to add redirect=true and put
 the security 
 constraint in the correct order, and you should be
 good to go.
 
 --Caroline
 
 Craig
 
 
 --- Craig R. McClanahan [EMAIL PROTECTED]
 wrote:
   
 
 Caroline Jen wrote:
 
 
 
 Thank you very much for the detailed explanation.
 
 Yet, I still have hard time to make my
 application
 work -- I am able to display the welcome page
 (no
 problem). And I have
   
 

http://localhost:8080/PracticeVersion/do/Menu;jsessionid=0A6E76A8F3E849BC8DAAC45BFB72F72E
 
 
 in the address bar.
 
 However, after I click on the LOGON button in the
 welcome page, the welcome page
 
   
 
 Where does this LOGON button submit to?  If it
 submits to 
 j_security_check, you are doing this wrong.  It
 should submit to some 
 resource that is protected by a security
 constraint.
 
 
 
 remains in the browser.
 The logon.jsp, which collects j-username,
   
 
 j_passwor,
 
 
 does not get displayed and

http://localhost:8080/PracticeVersion/do/admin/Menu
 shows in the address bar.
 
 I do not know what went wrong.  Could it be that
   
 
 the
 
 
 JDBCRealm is not configured correctly?
 
 Because the LOGON button links to a forward: 
 html:link forward=logonLOGON/html:link
 
 and in my struts-config.xml, I have 
 
 forward
name=logon
path=/do/admin/Menu/
 
 The /do/admin/Menu is my protected resources.  I
   
 
 keep
 
 
 it unchanged.
  
 
   
 
 It's only protected if it's listed in a
 security-constraint in web.xml.
 
 
 
 1. I configured the Tomcat JDBCRealm and prepared
   
 
 the
 
 
 users table, user-roles table according the
 instructions found at
   
 

http://jakarta.apache.org/tomcat/tomcat-4.1-doc/realm-howto.html

HTTP Status 404 After Inserting security-constraint In The web.xml

[Caroline Jen]

I think this is more of a problem in the area of
Servlets/JSPs.  Nonetheless, it happened when I ran my
Struts application and I decided to give a try at this
forum.

My application worked well with 

login-config
 auth-methodFORM/auth-method
  form-login-config
  
form-login-page/signin/logon.jsp/form-login-page
  
form-error-page/signin/logon.jsp?error=true/form-error-page
  /form-login-config
/login-config 

in the web.xml file. Thereafter,I inserted
security-constraint preceding the login-config
element, and inserted security-role following the
login-config element. The application stopped
functioning.  I got:

HTTP Status 404 -/PracticeVersion
description: The requested resource(/PracticeVersion)
is not availabe.

in the browser, and I have this message in the Tomcat
log file:

LifecycleException: Container
StandardContext[/PracticeVersion] has not been started

This was what my web.xml looked like when the problem
happened:

security-constraint
 web-resource-collection
  
web-resource-nameAdministrative/web-resource-name 
!-- The URLs to protect --
url-pattern/do/admin/*/url-pattern
 /web-resource-collection
 auth-constraint
!-- The authorized users --
role-nameadministrator/role-name
role-namecontributor/role-name
 /auth-constraint
/security-constraint

login-config
 auth-methodFORM/auth-method
 form-login-config
  form-login-page/signin/logon.jsp/form-login-page
 
form-error-page/signin/logon.jsp?error=true/form-error-page
 /form-login-config
/login-config

security-role
 role-nameadministrator/role-name
/security-role
security-role
 role-namecontributor/role-name
/security-role



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How To Work Out This Action Mapping?

[Caroline Jen]

Because there is such a statement (shown below) in my
signinForm.jsp:

html:form action=j_security_check method=post
focus=j_username

I put 

 action
name=j_security_check
path=/do/admin/Menu/

in my struts-config.xml file.

When I ran the application, I got:

[ServletException in:/article/content/signinForm.jsp]
Cannot retrieve mapping for action /j_security_check' 

I know that I did not specify the action properly. 
What is the correct way to do it? 

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Re: How To Work Out This Action Mapping?

[Caroline Jen]

Thank you for your reply.  I am using container
managed authentication.

My problem is how to go from j_security_check back to
my Struts framework.

I have my Tomcat JDBCRealm configured and users,
user_roles tables prepared in the database.

In my struts-config.xml file, I did this forward when
users click on the LOGON button:

 forward
name=logon
path=/signin/logon.jsp/

and in my web.xml file, I have:

login-config
 auth-methodFORM/auth-method 
 form-login-config 
  form-login-page/signin/logon.jsp/form-login-page
 
 
form-error-page/signin/logon.jsp?error=true/form-error-page
 /form-login-config  
/login-config

The Tomcat server found the signinForm.jsp through the
/signin/logon.jsp without problem.

and my signinForm.jsp is correctly prepared:

%@ taglib uri=/tags/struts-html prefix=html %
HTML
HEAD
TITLEContainer Managed Authentication/TITLE
/HEAD
BODY
html:errors/
html:form action=j_security_check method=post
focus=j_username
TABLE border=0 width=100%
TR
TH align=rightUser Name:/TH
TD align=lefthtml:text property=j_username
size=25//TD
/TR
TR
TH align=rightPassword:/TH
TD align=lefthtml:password property=j_password
size=10//TD
/TR
TR
TD align=righthtml:submit//TD
TD align=lefthtml:reset//TD
/TR
/TABLE
/html:form
/BODY
/HTML

--Caroline   
--- Sasha Borodin [EMAIL PROTECTED] wrote:
 I think you may be doing two things wrong:
 
 1.  j_security_check is a special URL.  If you have
 a security realm defined
 in your web application, and authentication method
 specified as FORM, then
 the container will automatically forward any
 requests for protected
 resources to a configurable login form.  This login
 form collects the
 username and password, and posts to this special
 URL; the post to
 j_security_check gets intercepted by your servlet
 container, which performs
 Container Managed Authentication - it looks for the
 j_username and
 j_password, authenticates the combination, and
 forwards to the originally
 requested resource, or to a configurable error page
 if the authentication
 fails.
 
 All this to say that you can not map an action to
 j_security_check.
 Furthermore, you can't even aggressively
 authenticate using CMA (Container
 Managed Authentication) - if you go directly to your
 login page (without
 being forwarded there by you container), and try to
 submit the form, you'll
 get an error.
 
 2.  If you were trying to map a legitimate URL, then
 you'd have your
 action properties wrong.
 
 action
 path=/someLegitimatePath
 
 type=your.action.class
 
 name=name of a previously defined ActionForm if
 needed for this action
 /action
 
 HTH,
 
 -Sasha
 
 
 On 10/10/03 20:21, Caroline Jen
 [EMAIL PROTECTED] wrote:
 
  Because there is such a statement (shown below) in
 my
  signinForm.jsp:
  
  html:form action=j_security_check method=post
  focus=j_username
  
  I put 
  
 action
name=j_security_check
path=/do/admin/Menu/
  
  in my struts-config.xml file.
  
  When I ran the application, I got:
  
  [ServletException
 in:/article/content/signinForm.jsp]
  Cannot retrieve mapping for action
 /j_security_check'
  
  I know that I did not specify the action properly.
  What is the correct way to do it?
  
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Re: How To Work Out This Action Mapping?

[Caroline Jen]

Thank you very much for the detailed explanation. 
Yet, I still have hard time to make my application
work -- I am able to display the welcome page (no
problem). And I have
http://localhost:8080/PracticeVersion/do/Menu;jsessionid=0A6E76A8F3E849BC8DAAC45BFB72F72E
in the address bar.

However, after I click on the LOGON button in the
welcome page, the welcome page remains in the browser.
 The logon.jsp, which collects j-username, j_passwor,
does not get displayed and
http://localhost:8080/PracticeVersion/do/admin/Menu
shows in the address bar.

I do not know what went wrong.  Could it be that the
JDBCRealm is not configured correctly?

Because the LOGON button links to a forward: 
html:link forward=logonLOGON/html:link
 
and in my struts-config.xml, I have 

 forward
name=logon
path=/do/admin/Menu/

The /do/admin/Menu is my protected resources.  I keep
it unchanged.

1. I configured the Tomcat JDBCRealm and prepared the
users table, user-roles table according the
instructions found at
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/realm-howto.html

2. Because I want to use FORM based container managed
authentication, I inserted 

login-config
 auth-methodFORM/auth-method 
  form-login-config 
  
form-login-page/signin/logon.jsp/form-login-page  
  
form-error-page/signin/logon.jsp?error=true/form-error-page
  /form-login-config  
/login-config

in the web.xml file.

3. I put logon.jsp in the ApplicationRoot/signin
folder.  Here is the code of the logon.jsp (I took out
all the Struts tags) and I know the code works well
because I have tested it:

!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.0
Transitional//EN
HTML
HEAD
TITLEContainer Managed Authentication/TITLE
/HEAD
BODY
H1Sign in, Please/H1
HR
FORM action=j_security_check method=post
focus=j_username
TABLE border=0 width=50% cellspacing=3
cellpadding=2
TR
TH align=rightUser Name:/TH
TD align=leftINPUT TYPE=text NAME=j_username
SIZE=25//TD
/TR
TR
TH align=rightPassword:/TH
TD align=leftINPUT TYPE=password
NAME=j_password SIZE=10//TD
/TR
TR
TD align=rightINPUT TYPE=submit
VALUE=Submit/TD
TD align=leftINPUT TYPE=reset VALUE=Reset/TD
/TR
/TABLE
/FORM
/BODY  

--Caroline
--- Craig R. McClanahan [EMAIL PROTECTED] wrote:
 Caroline Jen wrote:
 
 Thank you for your reply.  I am using container
 managed authentication.
 
 My problem is how to go from j_security_check back
 to
 my Struts framework.
   
 
 
 That turns out to not be your problem ... that is
 the container's problem.
 
 The key thing to remember is that the user should
 never access your 
 login page (whatever it's URL is) directly. 
 Instead, form-based login 
 is triggered the first time that an unauthenticated
 user requests a URL 
 that is protected by a security constraint.  What
 happens next goes like 
 this:
 
 (1) Unauthenticated user requests a protected
 resource (*NOT* the login 
 page!)
 
 (2) Container remembers the protected resource that
 was requested
  in a private variable.
 
 (3) Container displays the login page, which must
 have a destination
  of j_security_check, and waits for the user
 submit.  For some 
 containers,
  including Tomcat, this is the one-and-only time
 that submitting to
  j_security_check will not return a 404.
 
 (4) User enters username and password, and presses
 the submit button.
 
 (5) Container authenticates the username and
 password combination.
  If valid, container recalls the resource saved
 in (2) and displays 
 *that*
  to the user in response to the login submit.
 
 If this doesn't make sense, temporarily switch your
 app to use BASIC 
 authentication instead, and walk through the
 process.  The user 
 experience will be identical except that the login
 page will be a 
 popup dialog box instead of your configured login
 page.  (Technically, 
 it's different in one other respect -- it's the
 *browser* that does the 
 remembering in step (2) and the restoring in step
 (5), but the user 
 doesn't know that).
 
 The important point is that, at no time, did anyone
 ever submit a 
 request to the URL of the login page, because there
 is no such thing 
 when using BASIC authentication.  You should pretend
 there is no such 
 thing when using form based login, also; think of
 the login page as part 
 of the container, not part of your app.
 
 In answer to your original question, the simplest
 thing to do on a login 
 page is just use the standard HTML form element
 instead of the Struts 
 html:form tag.  Then, you can just say:
 
   form method=POST action=j_security_check
 ...
   /form
 
 Craig
 
 
 

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Re: How To Work Out This Action Mapping?

[Caroline Jen]

To answer your questions:

1. The LOGON button links to a forward: 
   html:link forward=logonLOGON/html:link
 
   and in my struts-config.xml, I have 

 forward
name=logon
path=/do/admin/Menu/

2. the security-constraint in my web-xml is:

  security-constraint
web-resource-collection
 
web-resource-nameAdministrative/web-resource-name
!-- The URLs to protect --
url-pattern/do/admin/*/url-pattern
/web-resource-collection
  auth-constraint
!-- The authorized users --
role-nameadministrator/role-name
role-namecontributor/role-name
  /auth-constraint
  /security-constraint

By the way, there is another problem -- after the
insertion of the security-constraint, the
application totally stops functioning.  No welcome
page displayed.  In the browser, I have

HTTP Status 404 -/PracticeVersion
description: The requested resource(/PracticeVersion)
is not availabe.

and in the Tomcat log file, I have:

LifecycleException: Container
StandardContext[/PracticeVersion] has not been started
  
Thereafter, I deleted the security-constraint
element from the web.xml file.  I have the welcome
page displayed.  After I click on the LOGON button in
the welcome page, the welcome page remains in the
browser.  The logon.jsp, which collects j-username,
j_password, does not get displayed and
http://localhost:8080/PracticeVersion/do/admin/Menu
shows in the address bar.

--Caroline

--- Craig R. McClanahan [EMAIL PROTECTED] wrote:
 Caroline Jen wrote:
 
 Thank you very much for the detailed explanation. 
 Yet, I still have hard time to make my application
 work -- I am able to display the welcome page (no
 problem). And I have

http://localhost:8080/PracticeVersion/do/Menu;jsessionid=0A6E76A8F3E849BC8DAAC45BFB72F72E
 in the address bar.
 
 However, after I click on the LOGON button in the
 welcome page, the welcome page
 
 Where does this LOGON button submit to?  If it
 submits to 
 j_security_check, you are doing this wrong.  It
 should submit to some 
 resource that is protected by a security constraint.
 
  remains in the browser.
  The logon.jsp, which collects j-username,
 j_passwor,
 does not get displayed and
 http://localhost:8080/PracticeVersion/do/admin/Menu
 shows in the address bar.
 
 I do not know what went wrong.  Could it be that
 the
 JDBCRealm is not configured correctly?
 
 Because the LOGON button links to a forward: 
 html:link forward=logonLOGON/html:link
  
 and in my struts-config.xml, I have 
 
  forward
 name=logon
 path=/do/admin/Menu/
 
 The /do/admin/Menu is my protected resources.  I
 keep
 it unchanged.
   
 
 It's only protected if it's listed in a
 security-constraint in web.xml.
 
 1. I configured the Tomcat JDBCRealm and prepared
 the
 users table, user-roles table according the
 instructions found at

http://jakarta.apache.org/tomcat/tomcat-4.1-doc/realm-howto.html
   
 
 Which Realm you use does not make any difference.
 
 2. Because I want to use FORM based container
 managed
 authentication, I inserted 
 
 login-config
  auth-methodFORM/auth-method 
   form-login-config 
   

form-login-page/signin/logon.jsp/form-login-page
  
   

form-error-page/signin/logon.jsp?error=true/form-error-page
   /form-login-config  
 /login-config
 
 in the web.xml file.
   
 
 What does your security-constraint in web.xml look
 like?  This is the 
 critical ingredient.
 
 3. I put logon.jsp in the ApplicationRoot/signin
 folder.  Here is the code of the logon.jsp (I took
 out
 all the Struts tags) and I know the code works well
 because I have tested it:
 
 !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.0
 Transitional//EN
 HTML
 HEAD
 TITLEContainer Managed Authentication/TITLE
 /HEAD
 BODY
 H1Sign in, Please/H1
 HR
 FORM action=j_security_check method=post
 focus=j_username
 TABLE border=0 width=50% cellspacing=3
 cellpadding=2
 TR
 TH align=rightUser Name:/TH
 TD align=leftINPUT TYPE=text NAME=j_username
 SIZE=25//TD
 /TR
 TR
 TH align=rightPassword:/TH
 TD align=leftINPUT TYPE=password
 NAME=j_password SIZE=10//TD
 /TR
 TR
 TD align=rightINPUT TYPE=submit
 VALUE=Submit/TD
 TD align=leftINPUT TYPE=reset
 VALUE=Reset/TD
 /TR
 /TABLE
 /FORM
 /BODY  
 
 --Caroline
 
 Craig
 
 --- Craig R. McClanahan [EMAIL PROTECTED]
 wrote:
   
 
 Caroline Jen wrote:
 
 
 
 Thank you for your reply.  I am using container
 managed authentication.
 
 My problem is how to go from j_security_check
 back
   
 
 to
 
 
 my Struts framework.
  
 
   
 
 That turns out to not be your problem ... that is
 the container's problem.
 
 The key thing to remember is that the user should
 never access your 
 login page (whatever it's URL is) directly. 
 Instead, form-based login 
 is triggered the first time that an
 unauthenticated
 user requests a URL 
 that is protected by a security constraint.  What
 happens next goes like 
 this:
 
 (1) Unauthenticated user requests a protected
 resource (*NOT* the login 
 page

What Is Wrong With My web.xml File (Struts)

[Caroline Jen]

My Struts application worked well until I added
security in the web.xml file.  I got the error message
shown below and I cannot spot any mistake with my
eyes:

[QUOTE]
2003-10-08 23:33:25 Exception initializing
TldLocationsCache: XML parsing error on file
/WEB-INF/web.xml: (line 137, col 19): The content of
element type security-role must match
(description?,role-name).
[/QUOTE]

and my web.xml file is:
[CODE]
?xml version=1.0 encoding=ISO-8859-1?
!DOCTYPE web-app
  PUBLIC -//Sun Microsystems, Inc.//DTD Web
Application 2.2//EN
  http://java.sun.com/j2ee/dtds/web-app_2_2.dtd;
web-app

  !-- Configuring Artimus --
  servlet
servlet-nameartimus/servlet-name
   
servlet-classorg.apache.artimus.http.ArtimusServlet/servlet-class
!-- Our application properties --
init-param
  param-namedefault/param-name
 
param-valueresources/artimus.properties/param-value
/init-param
!-- Our connection adaptor --
init-param
  param-nameadaptor/param-name
 
param-valueorg.apache.commons.scaffold.sql.PoolmanAdaptor/param-value
/init-param
init-param
  param-nameadaptor.key/param-name
  param-valuejdbc-artimus/param-value
/init-param
!-- Alternate adaptors
init-param
  param-nameadaptor/param-name
 
param-valueorg.apache.commons.scaffold.sql.ServletAdaptor/param-value
/init-param
init-param
  param-nameadaptor.key/param-name
 
param-valueorg.apache.struts.action.DATA_SOURCE/param-value
/init-param
init-param
  param-nameadaptor/param-name
 
param-valueorg.apache.commons.scaffold.sql.ConnectionAdaptor/param-value
/init-param
init-param
  param-nameadaptor.key/param-name
  param-valuejdbc/artimus/param-value
/init-param
--
!-- Our startup priority --
load-on-startup1/load-on-startup
  /servlet

  !-- Standard Struts configuration --
  servlet
servlet-nameaction/servlet-name
!--
org.apache.struts.tiles.ActionComponentServlet --
   
servlet-classorg.apache.struts.action.ActionServlet/servlet-class
init-param
  param-nameconfig/param-name
 
param-value/WEB-INF/struts-config.xml/param-value
/init-param
init-param
  param-namedebug/param-name
  param-value2/param-value
/init-param
init-param
  param-namedetail/param-name
  param-value2/param-value
/init-param
init-param
  param-namenull/param-name
  param-valuefalse/param-value
/init-param
  !-- Startup priority --
load-on-startup2/load-on-startup
  /servlet

  !-- servlet-mappings, welcome-file-list --
  servlet-mapping
servlet-nameaction/servlet-name
url-pattern/do/*/url-pattern
  /servlet-mapping
  welcome-file-list
welcome-fileindex.jsp/welcome-file
  /welcome-file-list

  !-- taglibs --
  taglib
taglib-uri/tags/struts-bean/taglib-uri
   
taglib-location/WEB-INF/lib/struts-bean.tld/taglib-location
  /taglib
  taglib
taglib-uri/tags/struts-html/taglib-uri
   
taglib-location/WEB-INF/lib/struts-html.tld/taglib-location
  /taglib
  taglib
taglib-uri/tags/struts-logic/taglib-uri
   
taglib-location/WEB-INF/lib/struts-logic.tld/taglib-location
  /taglib
  taglib
taglib-uri/tags/tiles/taglib-uri
   
taglib-location/WEB-INF/lib/struts-tiles.tld/taglib-location
  /taglib
  taglib
taglib-uri/tags/request/taglib-uri
   
taglib-location/WEB-INF/lib/request.tld/taglib-location
  /taglib

  !-- Our secuity settings --
  security-constraint
web-resource-collection
 
web-resource-nameAdministrative/web-resource-name
!-- The URLs to protect --
url-pattern/*/url-pattern
/web-resource-collection
auth-constraint
  !-- The authorized users --
  role-nameadministrator/role-name
  role-nameadvisor/role-name
  role-nameeditor/role-name
  role-namecontributor/role-name
/auth-constraint
user-data-constraint
  transport-guaranteeNONE/transport-guarantee
/user-data-constraint
  /security-constraint

  login-config
auth-methodFORM/auth-method 
form-login-config 
 
form-login-page/signin/logon.jsp/form-login-page  
 
form-error-page/signin/logon.jsp?error=true/form-error-page
/form-login-config  
  /login-config 

  !-- Our authentification strategy --
  security-role
descriptionRegistered Members/description
role-nameadministrator/role-name
role-nameadvisor/role-name
role-nameeditor/role-name
role-namecontributor/role-name
  /security-role   // line 137 is here

/web-app
[/CODE]

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Re: Container-Managed Authentication login-config in web.xml vs . Specifying Paths in the struts-config.xml

[Caroline Jen]

People answer questions without reading my original
post.  Therefore, I must re-type my original question
again.

Before I posted my question, I had configured the
Tomcat JDBCRealm following the instructions at
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/realm-howto.html
so that I can do security testing programmically, such
as isUserInRole(), in my program.

If I use form based authentication, I insert the
login-config and its sub-elements in my web.xml file
(see below).  As we know, the form-login-page and
form-error-page are required.

My question is that the container-managed
authentication (we provide login page and error page
in the web.xml) does not seem to be consistent with
what we usually do in struts; e.g. we state the
logical name and path for each .jsp page in the
struts-config.xml file.  

What is the Struts convention in dealing with user
authentication?  Should we specify the paths for the
logon page and error page in the struts.config.xml or
we should use the form-login-page and
form-error-page in the web.xml file?

Thanks.
--- Craig R. McClanahan [EMAIL PROTECTED] wrote:
 Caroline Jen wrote:
 
 But, I do not want to use BASIC authentication.  I
 have many different roles and hundreds of people
 per
 role.  Users' name, role, etc. are stored in a
 database.
 
 How authentication is performed (BASIC, form-based,
 DIGEST, or SSL 
 client certificates) and how users are stored
 (database, directory 
 server, local XML file, ...) are two separate
 questions.  For most 
 servers , any combination is possible.  With Tomcat,
 for example, you 
 can configure JDBCRealm to point at your user and
 role definitions in a 
 database, and then use those users with any of the
 authentication 
 methods.  For more information, see:
 


http://jakarta.apache.org/tomcat/tomcat-4.1-doc/realm-howto.html
 
 The choice between BASIC and form-based
 authentication, then, can be 
 based on user interface related concerns, rather
 than worrying about a 
 database.
 
 Craig
 
 --- Matt Raible [EMAIL PROTECTED] wrote:
   
 
 A JDBCRealm can use BASIC authentication - it
 doesn't require form-based.
 Here's an example app that might help you out:
 
 
 
 

http://raibledesigns.com/wiki/Wiki.jsp?page=SecurityExample
   
 
 HTH,
 
 Matt
 
 -Original Message-
 From: Caroline Jen [mailto:[EMAIL PROTECTED]
 Sent: Monday, October 06, 2003 4:45 PM
 To: [EMAIL PROTECTED]
 Subject: Container-Managed Authentication
 login-config in web.xml vs.
 Specifying Paths in the struts-config.xml
 
 
 I use the Tomcat.  I configured the Tomcat
 JDBCRealm
 so that I can use programmic security testing,
 such
 as
 isUserInRole(), in my program.
 
 Because Tomcat JDBCRealm is form based, I inserted
 the
 login-config and its sub-elements in my web.xml
 file
 (see below).  As we know, the form-login-page
 and
 form-error-page are required.
 
 My question is that the container-managed
 authentication does not seem to be consistent with
 what we usually do in struts; e.g. we state the
 logical name and path for each .jsp page in the
 struts-config.xml file.  
 
 What is the Struts convention in dealing with user
 authentication?  Should we specify the paths for
 the
 logon page and error page in the struts.config.xml
 or
 we should use the form-login-page and
 form-error-page in the web.xml file?
 
 
 
 

==
   
 
 security-constraint
web-resource-collection
  
 web-resource-nameSalesInfo/web-resource-name
   url-pattern/SalesInfo/*/url-pattern
   http-methodGET/http-method
   http-methodPOST/http-method
/web-resource-collection
auth-constraint
   role-namemanager/role-name  
/auth-constraint
user-data-constraint
  
 transport-guaranteeNONE/transport-guarantee
/user-data-constraint
 /security-constraint
 
 login-config
auth-methodFORM/auth-method
form-login-config
   
 
 
 

form-login-page/authentication/login.html/form-login-page
   
 
   
 
 
 

form-error-page/authentication/error.html/form-error-page
   
 
 /form-login-config
 
 /login-config
 
 security-role
role-namemanager/role-name
 /security-role
 
 
 
 
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