Re: A trivial problem ...
Hi, If the remote ejbs and ejb clients are in the same JVM some containers let you optimize the access enabling passing objects by reference. There is a descriptor tag in weblogic-ejb-jar.xml called enable-call-by-reference that you can set to false (but I thought that it was tuned off by default!) Salut! A Divendres 29 Novembre 2002 20:29, Velmurugan M. va escriure: I m using Weblogic 6.1 for deploying ear which contains some session bean and struts code. On calling a remote method ( rM) in a session bean from strutsAction Class execute() method, I m getting a Object, say remObj. I m modifying the remObj. And on second call to remote method rM, I m getting the changed remObj. ( I am not using any LocalInterface as specified in EJB 2.0). I believe any object that is returned from calling a EJB Object is passed by value and any modification to the returned object should have no effect on the original object in Session bean. When I test the EJB with a different client (Normal Java classes) running on different JVM, this problem does not occur. Why is the struts frame work behaves like this? Or Is there any special configuration to be done to run struts framework in separate JVM? If it is the problem with web Container or EJB server provider, can sb point me exact place where I need to ask this question.? regards velmuruganm * Disclaimer: The information in this e-mail and any attachments is confidential / privileged. It is intended solely for the addressee or addressees. If you are not the addressee indicated in this message, you may not copy or deliver this message to anyone. In such case, you should destroy this message and kindly notify the sender by reply email. Please advise immediately if you or your employer does not consent to Internet email for messages of this kind. * -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: i18n, resource bundles, bean:message/...
Hi, take a look at
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11852
A Divendres 22 Novembre 2002 21:16, Joshua McCulloch va escriure:
That shouldn't be any different than
bean:message key=submit.price arg0=1234.56/
I forgot to mention the exception occuring with that
statement. It looks like the magic happening in the
java.text.* classes with a {0,number,currency}
argument requires a java.lang.Number.
org.apache.jasper.JasperException: Cannot format given
Object as a Number
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:
248) at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
...etc...
root cause
java.lang.IllegalArgumentException: Cannot format
given Object as a Number
at
java.text.NumberFormat.format(NumberFormat.java:204)
at java.text.Format.format(Format.java:116)
at
java.text.MessageFormat.format(MessageFormat.java:737)
at
java.text.MessageFormat.format(MessageFormat.java:486)
at java.text.Format.format(Format.java:116)
--- James Mitchell [EMAIL PROTECTED] wrote:
it won't compile, its expecting a
java.lang.String:
try this...
bean:message key=submit.price
arg0=%= new
Double(1234.56).toString() %/
--
James Mitchell
Software Engineer/Struts Evangelist
http://www.open-tools.org
If you were plowing a field, which would you rather
use? Two strong oxen or
1024 chickens?
- Seymour Cray (1925-1996), father of supercomputing
-Original Message-
From: Joshua McCulloch
[mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 2:43 PM
To: [EMAIL PROTECTED]
Subject: i18n, resource bundles,
bean:message/...
Can someone please help me understand how to use
arguments for bean:message/ ?
I have an ApplicationResource with the following
message:
submit.price=It costs {0,number,currency}!
How can I display that from a JSP? The following
doesnt work because arg0 is a String.
bean:message key=submit.price arg0=1234.56/
I havent used JSP tags much.
http://husted.com/struts/tips/004.html shows the
following syntax: bean:message
key=ordering.authorized.range.staff arg0='%=
config.getStaffAuthAmnt() %'/
I tried arg0=%= new Double(1234.56) % and it
wont compile, its expecting a java.lang.String:
C:\tomcat\work\Standalone\localhost\josh\submit_jsp.java:134:
setArg0(java.lang.String) in
org.apache.struts.taglib.bean.MessageTag cannot be
applied to (java.lang.Double)
_jspx_th_bean_message_11.setArg0( new
Double(1234.56) );
What am I doing wrong?
THANKS!
- Josh
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Re: Question About Modules
Hi, A Dimecres 20 Novembre 2002 17:26, Madel,Kurt va escriure: My understanding is that you have to use an extension mapping in order to use the Module functionality, i.e. '*.do' What are people doing if they need to serve say a '.pdf' from an action? That is, my pdf is dynamic and requires the use of the same DAO's that I use for my jsp pages. Sure you can set the mime type, but Internet Explorer ignores these most of the time and counts on the extension. If you map *.pdf and *.do then you won't be able to server static pdf's??? Kurt Madel Programmer, CSMi (703) 823-4300 ext. 170 You can suggest a file name to the browser setting the Content-Disposition header (RFC 2183) String fileName = theFile.pdf response.setContentType(application/pdf); response.setHeader(Content-Dispostion, inline; filename= + fileName); Salut! -- Antoni Reus -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: Using : Tomcat 3.2.2
Hi,
Can you be more specific?
Can you post an snip of your code?
Salut!
-- Antoni Reus
A Dissabte 16 Novembre 2002 17:32, vze49jqg va escriure:
Hi I am using Tomcat 3.2.2 , struts 1.0
I am having this problem :
I have a ArrayList myArr which is populated by the Bean {A} , the
arraylist contains object of another Bean {B}.
if I say
logic:iterate name=myfs property=myArrlst
Hello World
/logic:iterate
It iterates Hello world for the number of objects in myArrlst,
but when I try to use a method call inside the logic:iterate tag it says
getter / setter not present.
I can do the same thing as above with Java Iterator and calling bean's
individual getter/ setter methods.
Any help will be greatly appreciated.
Regards
Gopal
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Re: Making peace between Struts logic iterate and Ed Hill's display tag...
I don't understant why you can't use logic:iterate tag.
Anyway, why don't you use a for instead of all those if, something like
this ?
%!
// Convert a int to a 2 digit String
private String int2DString(int i) {
String number = new Integer(i).toString();
if ( i 10) {
number = 0 + number;
}
}
private String propName(int i) {
i++; // i was zero-based
return stuff + int2DString(++i);
}
private String propTitle(int i) {
i++; // i was zero-based
return Stuff + int2DString(++i);
}
%
%
FooBarBean FooBarBean =
(FooBarBean)request.getAttribute(FooBarBean.LOOKUP_KEY);
%
display:table
name=FooBarBean
property=fundList
cellspacing=1
cellpadding=0
border=0
width=569
styleClass=DataTableBorder
scope=request
tr
td class=FooBarTableTitle height=20
nbsp;Beautiful Looking Spreadsheet in the Broswer
Brought to you by Hideously Ugly Looking Code
/td
/tr
display:setProperty name=basic.show.header value=true /
display:column
property=fundCode
align=right
styleClass=FooBarStyle
headerStyleClass=FooBarDataHeader
title=FooBar Code /
% for (int i = 0; i 30 ; i++) { %
% if (FooBarBean.isExistingColumn(i)) { %
display:column
property=%=propName(i)%
align=right
styleClass=FooBarStyle
headerStyleClass=FooBarDataHeader
title=%=propTitle(i)% /
% } // end If %
% } // End For %
display:column
property=fundTotal
align=right
styleClass=FooBarStyle
headerStyleClass=FooBarDataHeader
title=FooBar Total /
/display:table
A Dissabte 09 Novembre 2002 15:59, David McLure va escriure:
Last month a fellow by the name of Rick Ruemann [[EMAIL PROTECTED]]
posted a reply to an email inquiry of mine, turning me on to Ed Hill's
marvelous display tag library (Hi Rick!). It turns out that Ed's web
site URL is actually http://edhill.its.uiowa.edu/display-0.8/ (implying
that Ed might have even a newer version of the tag library now, but I
digress...) :
From: Rick Reumann [[EMAIL PROTECTED]]
Sent: Thursday, October 10, 2002 8:02 PM
To: Struts Users Mailing List
Subject: Re: Ideas for doing a spreadsheet-styled tables using Struts
tags
On Thursday, October 10, 2002, 7:55:21 PM, David wrote:
DM I am currently looking for ideas on ways to display potentially
DM large amounts of data in a spreadsheet format using Struts.
Check out using this display tag:
http://edhill.its.uiowa.edu/display/
I couldn't live without it:) (Even will provide a link that you
can click on to export the display to Excel).
Excellent tag.
--
Rick
mailto:maillist;reumann.net
Since then, with Rick's help (and Rick deserves a lot of credit for
figuring out how to use this display tag library by the way), I have
managed to implement the display tag in my Struts based application and
it seems to work just fine. The problem? My code is ugly as sin! It's
so bad, that after glancing over my shoulder the other day, one of my
best friends at work (Hi Russ!) has already warned me that it will
undoubtedly fail the upcoming code review. He's got a point too - it is
Coyote Ugly Code!
The reason is that neither Rick nor I have figured out a way to make Ed
Hill's display tag live peacefully with Struts logic iterate tags. As a
result, I have JSP code which looks something like the following :
%
FooBarBean FooBarBean =
(FooBarBean)request.getAttribute(FooBarBean.LOOKUP_KEY);
%
display:table name=FooBarBean property=fundList cellspacing=1
cellpadding=0 border=0 width=569 styleClass=DataTableBorder
scope=request
!-- display : table name=FooBarBean cellpadding=4
property=fundList width=550 scope=request --
trtd class=FooBarTableTitle height=20nbsp;Beautiful Looking
Spreadsheet in the Broswer Brought to you by Hideously Ugly Looking
Code/td/tr
display:setProperty name=basic.show.header value=true /
display:column property=fundCode align=right
styleClass=FooBarStyle headerStyleClass=FooBarDataHeader
title=FooBar Code /
% if (FooBarBean.isExistingColumn(0)) { %
display:column property=stuff01 align=right
styleClass=FooBarStyle headerStyleClass=FooBarDataHeader
title=Stuff 01 /
% } if (FooBarBean.isExistingColumn(1)) { %
display:column property=stuff02 align=right
styleClass=FooBarStyle headerStyleClass=FooBarDataHeader
title=Stuff 02 /
% } if (FooBarBean.isExistingColumn(2)) { %
display:column property=stuff03 align=right
styleClass=FooBarStyle headerStyleClass=FooBarDataHeader
title=Stuff 03 /
...etc., etc...
% } if (FooBarBean.isExistingColumn(29)) { %
display:column property=stuff30 align=right
styleClass=FooBarStyle headerStyleClass=FooBarDataHeader
title=Stuff 30 /
% } %
display:column property=fundTotal align=right
styleClass=FooBarStyle headerStyleClass=FooBarDataHeader
title=FooBar Total /
Re: java.util.Date
Hi,
see below ...
A Dimecres 06 Novembre 2002 11:29, Max Kutny va escriure:
RR I'm posting this with a different subject line so it will hopefully
RR come up in the archives if someone needs to search for it.
RR public class DateBeanUtilsConverter implements Converter {
RR private String formatPattern = null;
RR public void setFormatPattern(String formatPattern) {
RR this.formatPattern = formatPattern;
RR }
RR public Object convert(Class type, Object value) {
RR Date date = null;
RR if (value != null (value instanceof String) (type ==
RR Date.class)) {
RR try {
RR String s = value.toString();
RR SimpleDateFormat formatter =
RRnew SimpleDateFormat(formatPattern);
It's probably better to move SimpleDateFormatter creation to
setFormatPattern method. This would help avoid unnecessary object
creations.
Keep in mind that DateFormat (and SimpleDateFormat) is not thread safe so you
have to be very careful when reusing them.
RR date = formatter.parse(s);
RR } catch (Exception e) {
RR //log error
RR }
RR }
RR return date;
RR }
RR }
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Re: Adding a parameter to a URL + can I use the JSTL expression language with struts?
Hi,
Why don't you just use an input of type hidden?
If you are using an ActionForm add the property objID and use
html:hidden property=objID /
if not then you can just use
input type=hidden name=objID value=${param.objID}
A Dimecres 06 Novembre 2002 07:03, Jim Collins va escriure:
Sorry to be a pain but has anyone got any idea how to fix this problem?
Also can I use the JSP expression language with struts?
Thanks
Jim
Hi,
I have a JSP called upload.jsp with a form and file tag like this:
html:form action=/uploadAction.do enctype=multipart/form-data
Please Input The File You Wish to Upload:br/
html:file property=myFile/br /
html:submit /
/html:form
The page that calls upload.jsp also passes a parameter called objID, I
would
like to add this parameter to the action URL but I don't know how to.
I did try using a normal html form tag and jstl to add the paramerer like
this:
c:url value=/uploadAction.do var=myUrl
c:param name=objID value =${param.objID}/
/c:url
form action=c:out value=${myUrl}/
!--same code as above --
/form
This sets the correct action url in the generated html but I get a bean
utils exception when I press the submit button.
Any help would be appreciated.
Thanks
Jim.
PS I don't want to use a scriptlet if I can help it. I have seen previous
postings from Craig where he advises against using scriptlets.
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Re: Re[2]: java.util.Date
Hi, I don't speak english very very well, so this is a bit difficult for me to explain, but I'll try ;-) see below ... A Dimecres 06 Novembre 2002 21:37, Rick Reumann va escriure: On Wednesday, November 6, 2002, 3:21:28 PM, Antoni wrote: AR Keep in mind that DateFormat (and SimpleDateFormat) is not thread safe so you AR have to be very careful when reusing them. I like Max's suggestion though. I think I will move it to the setFormatPattern for sure. Correct me if I'm wrong here... Since the registration of this Converter takes places in a static block in the top of my DispatchAction the setFormatPattern should only be called once, since isn't only once instance of my DispatchAction created (and thus only one initial load in the static block?). I guess I could be extra careful and synchronize setFormatPattern since I don't think that should incur too much overhead since in my situation I can imagine more than one instance of the Action class being created. I have'nt looked at the beanutils Converter registration, do you have to register a class or an instance? The problem here is that if there is only one instance of your class, and setFormatPattern is only called once, then if there are two request that require the use of your class a the same time, served by different threads, the parse method in your instance of SimpleDateFormat might be called concurrently, so (as it isn't thread save) it might fail. -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: Re[4]: java.util.Date
A Dimecres 06 Novembre 2002 22:19, Rick Reumann va escriure:
On Wednesday, November 6, 2002, 4:05:45 PM, Antoni wrote:
AR Hi, I don't speak english very very well, so this is a bit
AR difficult for me to explain, but I'll try ;-)
No problem. Most American's don't speak English very well
(including myself I'm sure:)
:)
AR I have'nt looked at the beanutils Converter registration, do you have
to AR register a class or an instance?
It registers an instance one time in the static block at the top
of the action:
static {
DateBeanUtilsConverter dateConverter = new
DateBeanUtilsConverter(); dateConverter.setFormatPattern( MMdd );
StringBeanUtilsConverterDate myStringConverter = new
StringBeanUtilsConverterDate(); myStringConverter.setFormatPattern(
MMdd );
ConvertUtils.register( dateConverter, java.util.Date.class );
ConvertUtils.register( myStringConverter, String.class );
}
AR The problem here is that if there is only one instance of your class,
and AR setFormatPattern is only called once, then if there are two request
that AR require the use of your class a the same time, served by different
threads, AR the parse method in your instance of SimpleDateFormat might be
called AR concurrently, so (as it isn't thread save) it might fail.
I'm not sure how this would happen as Eddie have both pointed out
that the static block will only get called one time regardless of
how many instances are created (at least on a single JVM I'm
pretty sure that's the case). (On top of that I'm pretty sure on
one JVM user's all share one servlet instance unless you maybe use
that SingleThreadModel which I think hands them out from a pool.
Moot point though I think if I do the stuff in the static block.
But I could be wrong).
The problem is not in the static code, the problem is reusing the same
instance of SimpleDateFormat
Your initial aproach is fine. But let see what could happen if you move the
SimpleDateFormat creation to the setFormatPattern method:
- when the class loader loads your Action the static bloc is executed:
1- an instance of your converter is created
2- the setFormatPattern is called and an instance off SimpleDateFormat is
created.
3- the converter instance is registered
- there are 2 request at the same time that target an action that uses
BeanUtils.copyProperties with a bean that has a Date.
- the 2 request are served by to differents threads A and B
4- thread A begins the execution of the Action.execute,
5- thread A begins the execution of BeanUtils.copyProperties
6- thread A begins the execution of DateBeanUtilsConverter.convert
7- thread A begins the execution of SimpleDateFormat.parse
8- thread A is stopped and thread B begins the execution
9- thread B begins the execution of the Action.execute,
10- thread B begins the execution of BeanUtils.copyProperties
11- thread B begins the execution of DateBeanUtilsConverter.convert
12- thread B begins the execution of SimpleDateFormat.parse
13- thread B is stopped and thread A begins the execution
14 - thread A continues the execution of SimpleDateFormat.parse , but a
internal attribute of SimpleDateFormat where modified and it fails.
The problem is that during execution of SimpleDateFormat.parse some private
fields of SimpleDateFormat are modified.
You can take a look at
http://developer.java.sun.com/developer/bugParade/bugs/4228335.html
for details on the format classes not being thread-save issue
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Re: Re[4]: java.util.Date
Hi,
A Dimecres 06 Novembre 2002 22:31, Kris Schneider va escriure:
Apologies if I'm misinterpreting, but I think Antoni's concern is that the
SimpleDateFormat's parse and format methods are not thread-safe. The
creation of the converters and their registration can obviously be
accomplished in a thread-safe manner, but if multiple threads call into
parse and/or format at the same time, this will cause a problem. If that's
not what Antoni was saying...it's still a problem ;-). Shouldn't you code a
Converter's convert method with the same approach to thread-safety as an
Action's execute/perform method? If your Converter maintains a
SimpleDateFormat instance field that it uses to either format or parse,
it's not thread safe.
That's exactly what I was trying to say!
Thanks for the clarification
Quoting Rick Reumann [EMAIL PROTECTED]:
On Wednesday, November 6, 2002, 4:05:45 PM, Antoni wrote:
AR Hi, I don't speak english very very well, so this is a bit
AR difficult for me to explain, but I'll try ;-)
No problem. Most American's don't speak English very well
(including myself I'm sure:)
AR I have'nt looked at the beanutils Converter registration, do you have
to
AR register a class or an instance?
It registers an instance one time in the static block at the top
of the action:
static {
DateBeanUtilsConverter dateConverter = new
DateBeanUtilsConverter();
dateConverter.setFormatPattern( MMdd );
StringBeanUtilsConverterDate myStringConverter = new
StringBeanUtilsConverterDate();
myStringConverter.setFormatPattern( MMdd );
ConvertUtils.register( dateConverter, java.util.Date.class );
ConvertUtils.register( myStringConverter, String.class );
}
AR The problem here is that if there is only one instance of your class,
and
AR setFormatPattern is only called once, then if there are two request
that
AR require the use of your class a the same time, served by different
threads,
AR the parse method in your instance of SimpleDateFormat might be called
AR concurrently, so (as it isn't thread save) it might fail.
I'm not sure how this would happen as Eddie have both pointed out
that the static block will only get called one time regardless of
how many instances are created (at least on a single JVM I'm
pretty sure that's the case). (On top of that I'm pretty sure on
one JVM user's all share one servlet instance unless you maybe use
that SingleThreadModel which I think hands them out from a pool.
Moot point though I think if I do the stuff in the static block.
But I could be wrong).
--
Rick
mailto:maillist;reumann.net
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Re: Re[6]: java.util.Date
A Dimecres 06 Novembre 2002 22:55, Rick Reumann va escriure: On Wednesday, November 6, 2002, 4:51:58 PM, Antoni wrote: AR The problem is that during execution of SimpleDateFormat.parse some private AR fields of SimpleDateFormat are modified. A yes thank you. I bet I have this problem in other pieces of my code as well. What would you recommend doing? Should I synchronize the convert() method? or should I do it like I initially had it where I created a separate instance of SimpleDateFormat each time in the convert method? Which would incur less overhead and be faster? Or maybe neither of the above approaches is correct? Your approaches are correct. I haven't made any tests but I think that in most cases the faster method would be to synchronize on the SimpleDateFormat object before calling to format or parse. Thanks again for making this clearer. -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: Broken Pipe Exception Problem
Hi, This has to do with http clients closing the connection while the server is writing to the response, so the container throws an IOException. This is not a problem (besides the growing logs ;) A Dimecres 06 Novembre 2002 23:21, Venkat R va escriure: Please advise if there is any resolution to this issue. We are experiencing same problem. Same configuation(iPlanet web server, Weblogic 6.1 ) Thanks, Venkat. Date: Tue, 6 Aug 2002 10:13:38 -0700 (PDT)From: Vicky Das [EMAIL PROTECTED]Subject: Broken Pipe Exception ProblemContent-Type: text/plain; charset=us-ascii Hi, We are seeing a lot of broken pipe exceptions inour weblogic log files. The configuration that we areusing is : iPlanet acting as a webserver (but servingonly the static assets) and WebLogic at the backend(with a bunch of other gizmos) . Listed below is thesnippet of the exception: javax.servlet.jsp.JspException: Input/output error:java.io.IOException: Broken pipe atorg.apache.struts.taglib.template.InsertTag.doEndTag(InsertTag.java: 149) atjsp_servlet._jsp._US._en.__11_1_C._jspService(__11_1_C.java:183) atwe blogic.servlet.jsp.JspBase.service(JspBase.java:27)atweblogic.servlet.inter nal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)atweblogic.servl et.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)atweblog ic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java :215) atorg.apache.struts.action.ActionServlet.processActionForward(ActionSe rvlet.java:1759) atorg.apache.struts.action.ActionServlet.process(ActionServ let.java:1596) atorg.apache.struts.action.ActionServlet.doGet(ActionServlet. java:492) atjavax.servlet.http.HttpServlet.service(HttpServlet.java:740) atc om.gm.process.framework.GO2MainServlet.service(GO2MainServlet.java:79) atjav ax.servlet.http.HttpServlet.service(HttpServlet.java:853) atweblogic.servlet .internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265) atweblogic .servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletCo ntext.java:2456) atweblogic.servlet.internal.ServletRequestImpl.execute(Serv letRequestImpl.java:2039) atweblogic.kernel.ExecuteThread.execute(ExecuteThr ead.java:139) atweblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)The exception always orginates from the same strutstemplate insert tag. Could anyone tell me the cause ofthis exception? I would be willing to provide you withmore details if what I have mentioned here is notsufficient.Thanks in advance.Cheers,- Vicky. - Do you Yahoo!? HotJobs - Search new jobs daily now -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: Nice labels for inputs.
Hi, The struts-html tags have the styleId attribute, that will output and id Salut! -- Antoni Reus A Dimarts 29 Octubre 2002 22:31, Josh Berry va escriure: I am not real sure of what to call what I am trying to do, so nice labels will have to work. Due to my amazing irritation with having to check a tiny little box for a radio/checkbox select when there is a large label I could be checking, I used to use the label tag quite extensively. I am not sure that this had any benefit in Netscape, but it did have the benefit of allowing a user to click on a label and having the input element associated update. Now, unfortunately, the time I tried to do this with struts, I ran into the problem of id not being allowed in any of the html: input tags. So, while I can still use the label tag all day, there is no way for me to associate it with the correct input element. That is, a typical input (again, radio and checkbox receive the most benefit) should look something like this: label for=maleMale/labelinput type=radio id=male value=male Is there any reason that id is not allowed on the struts input tags? Does anyone else see the benefit? I know it sounds asinine, but that is one the often unused standard tags that I wish received more use. -josh -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: about images and db
A Diumenge 20 Octubre 2002 15:34, kiuma va escriure: thx , for your reply but I meant if was possible something like html ... hello!img src=''/ .. /html using only custom tags Then, the are 2 different requests, the one that returns the html and the one that returns the image (you can't include the image data in the html) In the html you could have: html ... hello! html:img page=/showImage.do paramId ... paramName / ... /html And showImage.do would be the Action that we talked about before. Antoni Reus wrote: Hi, A Diumenge 20 Octubre 2002 11:47, kiuma va escriure: What could you suggest to me to display images stored in a database. When I get them in a bean what could I do to show them on a web d. page? You can: 1. In a Action: response.setContentType( the type of the image ); OutputStream out = response.getOutputStream(); ... write the data (byte array?) to out return null; 2. Or you could save the bean representing the image (content type, and data) in the request and forward to a servlet, and write the data to the response in the servlet. -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org . -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: about images and db
Hi, A Diumenge 20 Octubre 2002 11:47, kiuma va escriure: What could you suggest to me to display images stored in a database. When I get them in a bean what could I do to show them on a web d. page? You can: 1. In a Action: response.setContentType( the type of the image ); OutputStream out = response.getOutputStream(); ... write the data (byte array?) to out return null; 2. Or you could save the bean representing the image (content type, and data) in the request and forward to a servlet, and write the data to the response in the servlet. -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: about images and db
Hi, A Diumenge 20 Octubre 2002 17:09, Frederic Laub va escriure: Hi, I'm also interested in the two cases. The first case is clear to me, writing the byte data directly to out. The second case, I would appreciate if you could clarify. What do you mean by holding the content type in the bean. An example of the second option would be wonderful! I mean creating a value object, something like an implementation of org.apache.struts.upload.FormFile to hold the binary data, the content type (image/png, image/jpg ), etc ... Then, the Action would call the business methods to get this value object and would save it in the request, and forward to a servlet that would retrieve the value object from the request, set the content type and write the data to the response. This way you can reuse the servlet in case you have documents, like pdfs in your database as blobs or something. Every time you need to stream a file, you only need to define an action that calls the business method to get the file value object and save it to the request. In struts-config.xml you would have something like this: action path=/showImage type=the.action.that.gets.the.Image forward name=success path=/fileServlet / /action action path=/showDocument type=the.action.that.gets.the.Document forward name=success path=/fileServlet / /action and in web.xml servlet servlet-namefileServlet/servlet-name servlet-classthe.servlet.that.writes.the.Files/servlet-class /servlet servlet-mapping servlet-namefileServlet/servlet-name url-pattern/fileServlet/url-pattern /servlet-mapping Salut, --Antoni Reus Thanks in advance. Frederic -Original Message- From: Antoni Reus [mailto:antoni.reus;wanadoo.es] Sent: 20 October 2002 16:12 To: Struts Users Mailing List Subject: Re: about images and db A Diumenge 20 Octubre 2002 15:34, kiuma va escriure: thx , for your reply but I meant if was possible something like html ... hello!img src=''/ .. /html using only custom tags Then, the are 2 different requests, the one that returns the html and the one that returns the image (you can't include the image data in the html) In the html you could have: html ... hello! html:img page=/showImage.do paramId ... paramName / ... /html And showImage.do would be the Action that we talked about before. Antoni Reus wrote: Hi, A Diumenge 20 Octubre 2002 11:47, kiuma va escriure: What could you suggest to me to display images stored in a database. When I get them in a bean what could I do to show them on a web d. page? You can: 1. In a Action: response.setContentType( the type of the image ); OutputStream out = response.getOutputStream(); ... write the data (byte array?) to out return null; 2. Or you could save the bean representing the image (content type, and data) in the request and forward to a servlet, and write the data to the response in the servlet. -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org . -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: logic:iterate - Is it possible???
Hi,
A Divendres 18 Octubre 2002 01:09, Tuan H. Le va escriure:
Hi,
I have two classes Salary and Employee
public class Salary {
private Date date;
private double amount;
private float meritPercent;
...
// and Salary class accessor methods (setter/getter)
}
public class Employee {
Salary salary;
private int id;
private String lastName;
...
// and Employee class accessor methods
}
In my JSP page, it needs to display a collection (List) of Employee records
with Salary data.
logic:iterate name=employeeList id=employee scope=... type=...
indexId=idx bean:write name=employee property=lastName /
/logic:iterate
How do I display the employee's salary record, ie: amount, merit percent,
...?
bean:write name=employee property=salary.amount /
You can navigate through properties with the '.' operator.
The above means empleyee.getSalary().getAmount()
Thanks in advance for your help!
Tuan
Salut!
-- Antoni Reus
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Re: Can V in MVC be Swing in Struts?
Hi, A Dijous 17 Octubre 2002 19:31, Xue-Feng Yang va escriure: --- Craig R. McClanahan [EMAIL PROTECTED] wrote: On Thu, 17 Oct 2002, Xue-Feng Yang wrote: Date: Thu, 17 Oct 2002 13:19:48 -0400 (EDT) From: Xue-Feng Yang [EMAIL PROTECTED] Reply-To: Struts Users Mailing List [EMAIL PROTECTED] To: Struts Users Mailing List [EMAIL PROTECTED] Subject: RE: Can V in MVC be Swing in Struts? Let me copy your answer here with #, and tell me where is your correct answer. And you didn't understand the answer correctly : :-). : # There are at least two different ways to accomplish # this: #* Have your Action write the XML output directly to #the response, # and then return null (indicates that the response #has been completed, # so no forwarding is necessary). To use output directly generated by an Action (either serialized objects, or directly created XML), use this. Hahaha, where is the VO in your message with #? You only talked about XML not VO. html, xml, serialized objects, pdf, svg, what's the difference? For serialized objects: Set the content type to application/x-java-serialized-object Grab the ServletOuputStream in a ObjectOutputStream and write(Object it) return null Salut, -- Antoni Reus -- To unsubscribe, e-mail: mailto:struts-user-unsubscribe;jakarta.apache.org For additional commands, e-mail: mailto:struts-user-help;jakarta.apache.org
Re: Structure Advice for logic:iterate
Hi, what about a list_date_shedule list_date_shedule : - date_shedule * date_shedule :- Date list_city list_city :- city * city :- String To get the three columns you should do something like: logic:iterate id=dateShedule name=listDateShedule ... output date open table or tr etc... logic:iterate id=city indexId=i name=dateShedule property=listCity output name if i % 3 = 0 change row /logic:iterate ... close tr or table etc /logic:iterate A Dimarts 15 Octubre 2002 21:46, Adam Sherman va escriure: On 10/15/02 12:33:11 -0700, Wendy Smoak wrote: Adam wrote: I need to present data like this Heading One OneTwo Three Four FiveSix Heading Two Seven Eight Heaging Three Nine Ten Eleven Etc. Not enough info... are the 'one' 'two' 'three' things all of the same type? Will there always be exactly three columns two rows under 'Heading One'? What do you mean 'etc.' at the end? More headings? Or are the headings set in advance? Maybe if you mock up a static HTML example, it would be easier to see what you need to do. Be sure to note what things are variable-- if you know the columns but the number of rows may vary, etc. http://www.teachandtravel.com/site/infosessions/schedule.php?division=Canad a This is the existing page, done in PHP. It's a rolling schedule, displays data from today until the end of the database. Thanks for the help! A. -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: Tiles - Forward problem
Hi,
A Dilluns 14 Octubre 2002 10:59, Heligon Sandra va escriure:
I have overridden the TilesREquestProcessor in order to test
if a user is authenticated for each request, but it doesn't work:
protected boolean processPreprocess(HttpServletRequest request,
HttpServletResponse response)
{
// Get the session object
HttpSession session = request.getSession();
try{
// Test if the request is a login request
String path = processPath(request, response);
if ( !path.equals((String) /login) )
{
// If not a login page, test if the user is authenticated on
the application server
User userInfo =
(User)session.getAttribute(Constants.USER_KEY);
if ( userInfo == null ||
(userInfo != null userInfo.getSessionId() == 0) )
{
Change this:
processActionForward(request, response,
(ActionForward)appConfig.findForwardConfig(login));
for this:
processForwardConfig(request, response,
appConfig.findForwardConfig(login));
}
}
}
// if a servlet exception occurs
catch (ServletException ex)
{
}
//if an input/output error occurs
catch (IOException ex)
{
}
return true;
}
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Re: Tiles - Forward problem
Hi,
A Dilluns 14 Octubre 2002 16:44, Heligon Sandra va escriure:
I only have to not cast the result of the findForwardConfig method ?
No, you have to change the call to processActionForward for
processForwardConfig. The TilesRequestProcessor overwrites
processForwardConfig to look for tiles definitions.
Sandra
-Original Message-
From: Antoni Reus [mailto:[EMAIL PROTECTED]]
Sent: 14 October 2002 16:39
To: Struts Users Mailing List
Subject: Re: Tiles - Forward problem
Hi,
A Dilluns 14 Octubre 2002 10:59, Heligon Sandra va escriure:
I have overridden the TilesREquestProcessor in order to test
if a user is authenticated for each request, but it doesn't work:
protected boolean processPreprocess(HttpServletRequest request,
HttpServletResponse response)
{
// Get the session object
HttpSession session = request.getSession();
try{
// Test if the request is a login request
String path = processPath(request, response);
if ( !path.equals((String) /login) )
{
// If not a login page, test if the user is authenticated on
the application server
User userInfo =
(User)session.getAttribute(Constants.USER_KEY);
if ( userInfo == null ||
(userInfo != null userInfo.getSessionId() == 0) )
{
Change this:
processActionForward(request, response,
(ActionForward)appConfig.findForwardConfig(login));
for this:
processForwardConfig(request, response,
appConfig.findForwardConfig(login));
}
}
}
// if a servlet exception occurs
catch (ServletException ex)
{
}
//if an input/output error occurs
catch (IOException ex)
{
}
return true;
}
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Re: When *exactly* does reset get called?
Hi,
A Dissabte 12 Octubre 2002 14:08, Howard Miller va escriure:
Hi,
Can soebody explain when the reset method of ActionForm gets called?
My problem is that I am using the method to prepopulate the form (which
works). The previous jsp had a link to the following jsp (the jsp not its
action - .jsp not .do, ok). The reset obviously runs and the preloaded
values appear.
When I submit the form, the reset method appears to get called again, so I
lose my user entered values. Not wat I expected. And yes the html.form
tag does point to the .do action.
Confused very!
HM
The reset method is called on every request that uses the form, before
populating it with the parameters in the current request, and calling the
action.
You can do a selective reset with something like this
public void reset ( mapping, request) {
if (!mapping.getPath().equals( whatever)) {
// do the reset
}
}
Salut,
-- Antoni Reus
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Re: help, I'm desperate!!!!
Hi, A Dijous 10 Octubre 2002 16:29, kiuma va escriure: This is the page and it is perfectly blank under IE html head base href=http://192.168.100.3:8080/webappointments/secure/userlist.jsp; titleLista utenti/title/head 1 /head link rel=stylesheet href=../css/common.css TYPE=text/css/ link rel=stylesheet href=../css/anagr.css TYPE=text/css/ SCRIPT language='JavaScript' src='../scripts/formscripts.txt' /head 2 /head -- Antoni Reus -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: display Date in struts1.1
Hi, A Dijous 10 Octubre 2002 16:53, Cathy Osekizoglu va escriure: I got Date from DB, I used formatKey=EEE MMM d, yy hh:mm, in my jsp file.The Date is displayed as Thu Oct 9, 02 09:37 on my page. I want to display it as 10-09-02 09:37. What format should I use to achieve this? Please help me. Best regards, Cathy MM-dd-yy hh:mm - Post your free ad now! Yahoo! Canada Personals -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: help on validate attribute
Hi, A Dijous 10 Octubre 2002 19:43, Billy Ng va escriure: Hi folks, If I put validate=true in the action tag, the form will be validated once it is load. Is it a right behavior? Since there is no data in the form bean, some madatory fields that I specify in the validate method will be treated as error. How should I handle it? Billy Ng If you put validate=true in a action-mapping the form will be populated and then validated before the perform (now execute) method of the action is called. validate=true should be used in the action that receives the post, not the action that generates the html form! Salut, -- Antoni Reus -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: Struts 1.1B: Classpath entries in Manifest.mf file of struts.jar
Hi, A Dijous 10 Octubre 2002 22:13, Hohlen, John va escriure: Unlike Struts 1.0, Struts 1.1 is built upon various libraries from the Jakarta Commons project. As a result, these necessary libraries are listed as classpath elements in the manifest.mf file of the struts.jar file. More specifically: Class-Path: commons-beanutils.jar commons-collections.jar Class-Path: commons-dbcp.jar commons-digester.jar Class-Path: commons-logging.jar commons-pool.jar Class-Path: commons-services.jar commons-validator.jar Class-Path: jakarta-oro.jar My team is using WebLogic 6.1 SP 2. If our struts.jar contains a manifest.mf with the above classpath elements, then we have to include the struts.jar file in the classpath used to boot WebLogic (even though the struts.jar file is included in the WEB-INF\lib folder). Otherwise, we get the exception listed below. Conversely, if we take the classpath elements out of the manifest.mf file, then the struts.jar does not need to be included in the WebLogic classpath, and the server boots fine. Can anyone explain this? Thanks, JOHN I have deployed struts 1.1b2 apps to Weblogic 6.1sp3 without modifying server classpath. May be its a weblogic sp2 issue. Salut, -- Antoni Reus -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
