Re: Best way to work with the iterator of IDataProvider
I have found the error.
List Result = new ArrayListPlatformDTO(); must be defined outside of the
iterator method
and also the answer to my question.
When the result is empty or null, then I must return a null iterator
T Ames wrote:
I see several undefined objects:
result
requestFormModel
it
If these are defined at the class level, they must be serializable.
If you have Logging set at Info, Wicket will give you the actual field
that
is not serializable, although from the error it looks like something to do
with AbstractList
Iterator objects are not serializable. I would look at how you are
defining
the it variable.
On Mon, Sep 28, 2009 at 7:25 AM, Charles Moulliard
cmoulli...@gmail.comwrote:
Hi,
I would like to know what is the best way to work with the method
iterator of DataProvider.
I have created a class implementing IDataProvider. Depending of a
parameter, the DAO service called is not the same inside in the
iterator method. For some DAO services, a list is returned but for one
service, an object is returned instead of a list.
If I try to create a ArrayList inside the iterator, the following
error is generated :
org.apache.wicket.util.io.SerializableChecker$WicketNotSerializableException:
Unable to serialize class: java.util.AbstractList$Itr
Field hierarchy is:
0 [class=com.xpectis.x3s.fundbox.web.RequestPage, path=0]
private java.lang.Object
org.apache.wicket.MarkupContainer.children [class=[Ljava.lang.Object;]
java.lang.Object org.apache.wicket.Component.data[3]
[class=com.xpectis.x3s.fundbox.web.RequestPage$1, path=0:requestList]
private final
org.apache.wicket.markup.repeater.data.IDataProvider
org.apache.wicket.markup.repeater.data.DataViewBase.dataProvider
[class=com.xpectis.x3s.fundbox.web.data.RequestProvider]
private java.util.Iterator
com.xpectis.x3s.fundbox.web.data.RequestProvider.it
[class=java.util.AbstractList$Itr] - field that is not
serializable
at
org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:346)
How can I avoid this issue ?
Here is my code :
public class RequestProvider implements IDataProvider {
...
public Iterator iterator(int first, int count) {
result = new ArrayListPlatformDTO();
if (requestFormModel != null) {
if (requestFormModel.getId() != null) {
request =
requestService.getRequest(requestFormModel.getId());
result.add(request);
it = result.iterator();
} else if (requestFormModel.getFileName() != null)
{
it =
requestService.findRequestByFileName(requestFormModel.getFileName()).iterator();
}
Regards,
Charles Moulliard
Senior Enterprise Architect
Apache Camel Committer
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Re: Is it the best way to code a Link depending on a condition
In fact, the example createLabel is not really the most interesting. Let's me
explaining what I consider as a good candidate and what I have done
1) A HTML page contains a table which is populated dynamically using a
service collecting data from a DB. the last column of the table is a link
(wicket id=linkRequest) that we would like to show or not depending if we
have receive from the DB, the id (= primary key of the table DB)
corresponding to the record Request to be opened in the screen page
Request.html / RequestPage)
2) The populateItem method of the DataView allows me for each record to link
the model (= item) returned by the IDataprovider to the columns of my table.
To create the link to the HTML page, I use the Link class that I have
modified like this :
public class LinkRequestT extends LinkT {
private static final long serialVersionUID = 3283912033862898645L;
private RequestFormModel requestFormModel;
public LinkRequest(String id) {
super(id);
}
@Override
public void onClick() {
setResponsePage(new RequestPage(requestFormModel));
}
public RequestFormModel getRequestFormModel() {
return requestFormModel;
}
public void setRequestFormModel(RequestFormModel requestFormModel) {
this.requestFormModel = requestFormModel;
}
}
As you see the onClick() method is defined so I don't need to modify it when
I add the link to my item. To create the link, I call a createLinkRequest
Method who play the role of a factory for me
public static LinkRequest createLinkRequest(String id) {
LinkRequest linkReq = new LinkRequest(linkRequest);
if ( id != null ) {
// Link is enable with parameters required to open
RequestPage
RequestFormModel requestFormModel = new
RequestFormModel();
requestFormModel.setId( Integer.parseInt( id ) );
linkReq.setRequestFormModel(requestFormModel);
linkReq.add(getLinkRequestTxt( id ));
} else {
// Link is disable
linkReq.add(getLinkRequestTxt());
linkReq.setEnabled(false);
}
return linkReq;
}
and I call this method from my polulateItem like this
item.add( createLinkRequest( id which is equal to null or to a value ) );
Depending if the value is null or not, the link will be enable or disabled
and the model required by my page request created accordingly.
Is it a correct implementation or a stupid one ? In a previous reply,
someone argues that we must override the method isEnabled() instead of using
setEnable() ?
Regards,
Charles
josephpachod wrote:
hi Charles
The whole issue is that you don't know how the data (in this case a
String) is to be retrieved. Can it be read only once ? Should it be
refresh on each request cycle ? On each access to the data ? Does it come
from a database ?
Wicket's model allows you to go away from all these considerations : you
just want to be able to get the string. Just let the users of your wicket
component decide how they want to provide the data.
As such, your example is, I think, broken :
private Label labelTitle;
public static Label createLabelTitle(String title) {
return new Label(title,new PropertyModel( ModelClass, title ));
}
What if someone wants to change this string ? title = my new title won't
work there !
Thus, it should be, IMO :
public static Label createLabelTitle(final IModelString titleModel) {
return new Label(title,titleModel.get());
}
++
NB : you might be interested by this article
http://blog.jteam.nl/2009/09/16/wicket-dos-and-donts/
Joseph,
Can you explain a little bit what you mean by provide it with attribute
(IModelString) ?
private Label labelTitle;
public static Label createLabelTitle(String title) {
return new Label(title,new Model( title ));
}
-- becomes
private Label labelTitle;
public static Label createLabelTitle(String title) {
return new Label(title,new PropertyModel( ModelClass, title ));
}
Is it right what I create ?
Joseph Pachod wrote:
cmoulliard wrote:
What I have done to avoid to repeat the creation of the labels is to
define
and use static method
private Label labelTitle;
public static Label getLabelTitle(String title) {
return new Label(title,new Model( title ));
}
I personally would name this method createLabelTitle(String title) or
getNewLabelTitle(String title), for explicitness.
Furthermore, I would directly
Re: Is it the best way to code a Link depending on a condition
Joseph,
Can you explain a little bit what you mean by provide it with attribute
(IModelString) ?
private Label labelTitle;
public static Label createLabelTitle(String title) {
return new Label(title,new Model( title ));
}
-- becomes
private Label labelTitle;
public static Label createLabelTitle(String title) {
return new Label(title,new PropertyModel( ModelClass, title ));
}
Is it right what I create ?
Joseph Pachod wrote:
cmoulliard wrote:
What I have done to avoid to repeat the creation of the labels is to
define
and use static method
private Label labelTitle;
public static Label getLabelTitle(String title) {
return new Label(title,new Model( title ));
}
I personally would name this method createLabelTitle(String title) or
getNewLabelTitle(String title), for explicitness.
Furthermore, I would directly provide it with a final IModelString
title attribute, not to dictate how the data has to be provided
(dynamic or not for example).
In the end, this method is fine for just a label, but for anything more
complex a panel would be the way to go I would say. The main exception
here I see right now is the case of pages.
For example, if we're speaking of a page title, then I would define it
in my base page and make an abstract String getTitle() method in the
base page so I'm sure everyone set it up later on. I would do the same
if it's a specific kind of structured page, for example an abstract
class ContentHoldingPage extend TheBasePage.
++
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Re: Is it the best way to code a Link depending on a condition
What I have done to avoid to repeat the creation of the labels is to define
and use static method
private Label labelTitle;
public static Label getLabelTitle(String title) {
return new Label(title,new Model( title ));
}
Joseph Pachod wrote:
cmoulliard wrote:
(...)
I think that this is a general remark that some users make about Wicket.
It
is very difficult to reuse part of the code.
Here is another example :
I have a label called id which is used in different page. The way
proposes
by Wicket to code it is
Page Request
item.add(new Label(id, String.valueOf(request.getId(;
Page Notification
item.add(new Label(id, String.valueOf(notification.getId(;
When we compare page request and page notification, we see that we repeat
the same code two times.
Hi
I think the wicket way here may be to create a panel containing this
label and then reuse the panel. The panel could also have a model in
order to get the label content.
Would this solve your repetition issue ?
++
joseph
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Re: Is it the best way to code a Link depending on a condition
You are right. I don't need the setEnabled(false) in the onClick method
I have changed my code :
link = new Link(linkRequest) {
@Override
public void onClick() {
setResponsePage(new
RequestPage(requestFormModel));
}
};
link.add(new
Label(linkRequestTxt,String.valueOf(audit.getRequest().getId(;
item.add(link);
} else {
link = new Link(linkRequest) {
@Override
public void onClick() { }
};
Label label = new
Label(linkRequestTxt,);
link.add(label);
link.setEnabled(false);
item.add(link);
}
Remark :
It should be interesting to be able to create an instance of the Link class
without having to override the onclick() method. Otherwise the code becomes
very verbose and requires as here that we instantiate two times the class
Link
Matthias Keller wrote:
Sure, just create it (including the onClick which might be invalid), but
afterwards set the setEnabled() as needed.
As long as the link is disabled, it can never be clicked thus the
onClick() will never be executed anyway, so it's irrelevant if the
requestFormModel is valid or not...
I dont think you want the setEnabled(false) inside the onClick - do you?
That would deactivate the link after the first click which doesn't make
that much sense?
Matt
Charles Moulliard wrote:
Hi,
I would like to know if there is a better way to code this case : What
I would like to do is to enable/disable a link depending on a
condition. If the condition is true, than we create the link otherwise
we disable it. In both case, a label must be defined for the Link.
I mean, is it possible to avoid to double the creation of the link =
new Link()
Here is my code
1) HTML
# wicket:id=linkRequestTxt/
2) JAVA
// Set link for requestId
Link link;
if (audit.getRequest() != null) {
final RequestFormModel requestFormModel = new
RequestFormModel();
requestFormModel.setRequestId( (int)
audit.getRequest().getId() );
link = new Link(linkRequest) {
@Override
public void onClick() {
setResponsePage(new
RequestPage(requestFormModel));
}
};
link.add(new
Label(linkRequestTxt,String.valueOf(audit.getRequest().getId(;
item.add(link);
} else {
link = new Link(linkRequest) {
@Override
public void onClick() {
this.setEnabled(false);
}
};
Label label = new Label(linkRequestTxt,);
link.add(label);
item.add(link);
Charles Moulliard
Senior Enterprise Architect
Apache Camel Committer
*
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matthias.kel...@ergon.ch +41 44 268 83 98
Ergon Informatik AG, Kleinstrasse 15, CH-8008 Zürich
http://www.ergon.ch
__
e r g o nsmart people - smart software
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Re: Is it the best way to code a Link depending on a condition
Mattias,
OK about what you propose but we repeat the test a second time so the code
still remains very verbose.
Thanks for the suggestion.
I think that this is a general remark that some users make about Wicket. It
is very difficult to reuse part of the code.
Here is another example :
I have a label called id which is used in different page. The way proposes
by Wicket to code it is
Page Request
item.add(new Label(id, String.valueOf(request.getId(;
Page Notification
item.add(new Label(id, String.valueOf(notification.getId(;
When we compare page request and page notification, we see that we repeat
the same code two times.
It could be interesting to set the value of the label in the page and to
declare it separately
e.g
public class Commons {
public static Label labelId = new Label(id);
...
}
Page Request
item.add( labelId.setValue( String.valueOf(request.getId()) );
Page Notification
item.add( labelId.setValue( String.valueOf(notification.getId()) );
Regards,
Charles
Matthias Keller wrote:
Hi
As I said in my previous mail, just initialize the link once using the
upper variant.
Use an if before to create the requestFormModel, in case 2, the
requestFormModel can be null - as the onClick is never executed this
will not matter.
Have something like:
final Model requestFormModel;
if (case1)
requestFormModel = new MyModel(...);
else
requestFormModel = null;
// Creating the one and only Link instance.
link = new Link(linkRequest) {
public void onClick() {
setResponsePage(new RequestPage(requestFormModel));
}
}
item.add(link);
if (case1) {
link.add(whatever);
...
} else {
link.add(whatever for case 2);
link.setEnabled(false);
}
cmoulliard wrote:
You are right. I don't need the setEnabled(false) in the onClick method
I have changed my code :
link = new Link(linkRequest) {
@Override
public void onClick() {
setResponsePage(new
RequestPage(requestFormModel));
}
};
link.add(new
Label(linkRequestTxt,String.valueOf(audit.getRequest().getId(;
item.add(link);
} else {
link = new Link(linkRequest) {
@Override
public void onClick() { }
};
Label label = new
Label(linkRequestTxt,);
link.add(label);
link.setEnabled(false);
item.add(link);
}
Remark :
It should be interesting to be able to create an instance of the Link
class
without having to override the onclick() method. Otherwise the code
becomes
very verbose and requires as here that we instantiate two times the class
Link
Matthias Keller wrote:
Sure, just create it (including the onClick which might be invalid), but
afterwards set the setEnabled() as needed.
As long as the link is disabled, it can never be clicked thus the
onClick() will never be executed anyway, so it's irrelevant if the
requestFormModel is valid or not...
I dont think you want the setEnabled(false) inside the onClick - do you?
That would deactivate the link after the first click which doesn't make
that much sense?
Matt
Charles Moulliard wrote:
Hi,
I would like to know if there is a better way to code this case : What
I would like to do is to enable/disable a link depending on a
condition. If the condition is true, than we create the link otherwise
we disable it. In both case, a label must be defined for the Link.
I mean, is it possible to avoid to double the creation of the link =
new Link()
Here is my code
1) HTML
# wicket:id=linkRequestTxt/
2) JAVA
// Set link for requestId
Link link;
if (audit.getRequest() != null) {
final RequestFormModel requestFormModel = new
RequestFormModel();
requestFormModel.setRequestId( (int)
audit.getRequest().getId() );
link = new Link(linkRequest) {
@Override
public void onClick() {
setResponsePage(new
RequestPage(requestFormModel));
}
};
link.add
Re: DropDownChoice with Java Enum
If understand correctly, the value displayed in as value in the html options
will not be used to set my requestStatus property in the model class
RequestFormModel but use by the DropDownchoice to find the value to be
setted (like key for hashmap, index for array, ...).
In consequenc,e I have to change the code of my property setter inside my
model to set the value (coming from the ENUM) :
public void setRequestType(String requestType) {
// Set requestType field with the value (and not the
description) of the
enum
this.requestType = ProcessingStatusType.valueOf( requestType
).getValue();
}
Pedro Santos-6 wrote:
The value on model are on ProcessingStatusType instance. Use
((ProcessingStatusType)model.getObject()).getValue() to access the value
REJEC
On Thu, Sep 10, 2009 at 12:39 PM, cmoulliard cmoulli...@gmail.com wrote:
Thks for all.
With the following syntax :
add(new DropDownChoice(requestStatus,
Arrays.asList(ProcessingStatusType.values()), new IChoiceRenderer() {
public Object getDisplayValue(Object status) {
return ((ProcessingStatusType)
status).getDescription();
}
public String getIdValue(Object status, int index)
{
return ((ProcessingStatusType)
status).getValue();
}}));
html generated :
select wicket:id=requestStatus name=requestStatus
option selected=selected value=Choose One/option
option value=NEWNew/option
option value=ACCPTAccepted/option
option value=VALIDValidated/option
option value=TRFRMTransformed/option
option value=TRFRDTransferred/option
option value=REJECRejected/option
option value=FAILFailed/option
/select
Everything is ok except that the value receives by my RequestFormModel
after
the post is equal to the description (e.g : REJECTED instead of REJEC)
and
not the value
Here is what I have in html :
Matthias Keller wrote:
Hi
Close but not quite. getDisplayValue gets the catual ELEMENT of the
list
- so objDispl is of type ProcessingStatusType already.
So in your case it would be something like:
public Object getDisplayValue(Object objDispl) {
return ((ProcessingStatusType) objDispl).getDescription();
}
public String getIdValue(Object obj, int index) {
return obj.toString();
// or if you prefer to have the value of your enum in the HTML
code:
// return ((ProcessingStatusType) objDispl).getValue()
}
Which one of the getIdValue implementations you chose doesn't matter
for
wicket, it just needs an ID for every entry which is unique.
In your case you could even return String.valueOf(index) as your
backing List of the Enums will not ever change while deployed.
Be careful though with using index, there are circumstances where no
useful index will be provided (always -1) - That happens when you
externally change the selected value of the DropDownChoice.
you could also just use or extend ChoiceRenderer which might already do
what you want...
For example
new ChoiceRenderer(description, value)
Matt
cmoulliard wrote:
You mean create something like this :
add(new DropDownChoice(requestStatus,
Arrays.asList(ProcessingStatusType.values()), new IChoiceRenderer() {
public Object getDisplayValue(Object objDispl) {
return
ProcessingStatusType.valueOf((String)
objDispl).getDescription();
}
public String getIdValue(Object obj, int index) {
return obj.toString();
}}));
I have an error during initialisation :
WicketMessage: Exception in rendering component: [MarkupContainer
[Component
id = requestStatus]]
Root cause:
java.lang.ClassCastException:
com.xpectis.x3s.model.usertype.ProcessingStatusType
at
com.xpectis.x3s.fundbox.web.form.RequestForm$1.getDisplayValue(RequestForm.java:38)
I suppose that what I defined in getDisplayValue is not correct ?
Matthias Keller wrote:
Hi Charles
No problem. Just make an IChoiceRenderer which calls getDescription
for
the display value and getValue for the id.
Matt
Charles Moulliard wrote:
Hi,
I would like to know if I can create a DropDownChoice where the
value
to
be
displayed in the drop down list corresponds to the description of my
enumeration (e.g. Accepted) while the value to be returned is the
value
defined in the enumeration (e.g: ACCPT) ?
public enum ProcessingStatusType {
NEW (NEW, New),
ACCEPTED (ACCPT, Accepted),
VALIDATED (VALID, Validated),
TRANSFORMED(TRFRM, Transformed),
TRANSFERRED(TRFRD, Transferred),
REJECTED(REJEC, Rejected),
FAILED(FAIL, Failed);
private final String value;
private final String
Re: DropDownChoice with Java Enum
You mean create something like this :
add(new DropDownChoice(requestStatus,
Arrays.asList(ProcessingStatusType.values()), new IChoiceRenderer() {
public Object getDisplayValue(Object objDispl) {
return ProcessingStatusType.valueOf((String)
objDispl).getDescription();
}
public String getIdValue(Object obj, int index) {
return obj.toString();
}}));
I have an error during initialisation :
WicketMessage: Exception in rendering component: [MarkupContainer [Component
id = requestStatus]]
Root cause:
java.lang.ClassCastException:
com.xpectis.x3s.model.usertype.ProcessingStatusType
at
com.xpectis.x3s.fundbox.web.form.RequestForm$1.getDisplayValue(RequestForm.java:38)
I suppose that what I defined in getDisplayValue is not correct ?
Matthias Keller wrote:
Hi Charles
No problem. Just make an IChoiceRenderer which calls getDescription for
the display value and getValue for the id.
Matt
Charles Moulliard wrote:
Hi,
I would like to know if I can create a DropDownChoice where the value to
be
displayed in the drop down list corresponds to the description of my
enumeration (e.g. Accepted) while the value to be returned is the value
defined in the enumeration (e.g: ACCPT) ?
public enum ProcessingStatusType {
NEW (NEW, New),
ACCEPTED (ACCPT, Accepted),
VALIDATED (VALID, Validated),
TRANSFORMED(TRFRM, Transformed),
TRANSFERRED(TRFRD, Transferred),
REJECTED(REJEC, Rejected),
FAILED(FAIL, Failed);
private final String value;
private final String description;
ProcessingStatusType( String value, String description ) {
this.value = value;
this.description = description;
}
-
Charles Moulliard
SOA Architect
My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/
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Re: DropDownChoice with Java Enum
Thks for all.
With the following syntax :
add(new DropDownChoice(requestStatus,
Arrays.asList(ProcessingStatusType.values()), new IChoiceRenderer() {
public Object getDisplayValue(Object status) {
return ((ProcessingStatusType) status).getDescription();
}
public String getIdValue(Object status, int index) {
return ((ProcessingStatusType)
status).getValue();
}}));
html generated :
select wicket:id=requestStatus name=requestStatus
option selected=selected value=Choose One/option
option value=NEWNew/option
option value=ACCPTAccepted/option
option value=VALIDValidated/option
option value=TRFRMTransformed/option
option value=TRFRDTransferred/option
option value=REJECRejected/option
option value=FAILFailed/option
/select
Everything is ok except that the value receives by my RequestFormModel after
the post is equal to the description (e.g : REJECTED instead of REJEC) and
not the value
Here is what I have in html :
Matthias Keller wrote:
Hi
Close but not quite. getDisplayValue gets the catual ELEMENT of the list
- so objDispl is of type ProcessingStatusType already.
So in your case it would be something like:
public Object getDisplayValue(Object objDispl) {
return ((ProcessingStatusType) objDispl).getDescription();
}
public String getIdValue(Object obj, int index) {
return obj.toString();
// or if you prefer to have the value of your enum in the HTML code:
// return ((ProcessingStatusType) objDispl).getValue()
}
Which one of the getIdValue implementations you chose doesn't matter for
wicket, it just needs an ID for every entry which is unique.
In your case you could even return String.valueOf(index) as your
backing List of the Enums will not ever change while deployed.
Be careful though with using index, there are circumstances where no
useful index will be provided (always -1) - That happens when you
externally change the selected value of the DropDownChoice.
you could also just use or extend ChoiceRenderer which might already do
what you want...
For example
new ChoiceRenderer(description, value)
Matt
cmoulliard wrote:
You mean create something like this :
add(new DropDownChoice(requestStatus,
Arrays.asList(ProcessingStatusType.values()), new IChoiceRenderer() {
public Object getDisplayValue(Object objDispl) {
return ProcessingStatusType.valueOf((String)
objDispl).getDescription();
}
public String getIdValue(Object obj, int index) {
return obj.toString();
}}));
I have an error during initialisation :
WicketMessage: Exception in rendering component: [MarkupContainer
[Component
id = requestStatus]]
Root cause:
java.lang.ClassCastException:
com.xpectis.x3s.model.usertype.ProcessingStatusType
at
com.xpectis.x3s.fundbox.web.form.RequestForm$1.getDisplayValue(RequestForm.java:38)
I suppose that what I defined in getDisplayValue is not correct ?
Matthias Keller wrote:
Hi Charles
No problem. Just make an IChoiceRenderer which calls getDescription for
the display value and getValue for the id.
Matt
Charles Moulliard wrote:
Hi,
I would like to know if I can create a DropDownChoice where the value
to
be
displayed in the drop down list corresponds to the description of my
enumeration (e.g. Accepted) while the value to be returned is the value
defined in the enumeration (e.g: ACCPT) ?
public enum ProcessingStatusType {
NEW (NEW, New),
ACCEPTED (ACCPT, Accepted),
VALIDATED (VALID, Validated),
TRANSFORMED(TRFRM, Transformed),
TRANSFERRED(TRFRD, Transferred),
REJECTED(REJEC, Rejected),
FAILED(FAIL, Failed);
private final String value;
private final String description;
ProcessingStatusType( String value, String description ) {
this.value = value;
this.description = description;
}
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SOA Architect
My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/
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Re: Form and PageParameters
Thx for the reply.
You are right, it is not a must to use PageParameters but as this is my
first Wicket project, I have started to work with simple things.
In the meantime, I have had a look to the formInput example where a
CompoundPropertyModel is used. I have adapted the Form to work with it.
My question is now :
When I call the first time my page, the url is : http://localhost/request.
Wicket receives this request and the constructor RequestPage(PageParameter
pageParameter) is called. Next, after filling my form in the page and
clicking on the onSubmit button, the request is submitted to the same page.
How can I retrieve the values of the CompoundPropertyModel from my form in
this case ? Do I have to do something particular in the
setResponsePage(RequestPage.Class) to pass the compoundPropertyModel ? Do I
need to create two different constructors : one for PageParameters and the
other to handle CompoundPropertyModel ?
Regards,
Charles
egolan74 wrote:
Is it a must that you use PageParameters for RequestPage?
Do you need an access to it also from a URL (after mounting it in your
Application).
I think that a nicer way is to add a constructor that accepts the values.
Even better, I would have created a POJO model.
Use a CompoundPropertyModel with the form, and pass this object to the
RequestPage.
Eyal Golan
egola...@gmail.com
Visit: http://jvdrums.sourceforge.net/
LinkedIn: http://www.linkedin.com/in/egolan74
P Save a tree. Please don't print this e-mail unless it's really
necessary
On Mon, Sep 7, 2009 at 11:38 AM, Charles Moulliard
cmoulli...@gmail.comwrote:
Hi,
I have created a RequestPage html page containing a form (= search
criteria) and a list (= Data View where the result set of data retrieved
in
a DB according to search criteria is displayed). When the user clicks on
the
search criteria button of this page, the request is redirected to the
RequestPage where we extract the search criteria values and pass them to
the
service in charge to retrieve the data. In the java class accompagning
this
page, I have overrided the onSubmit method of the submit button to pass
the value of the form fields
public RequestPage(final PageParameters parameters) {
...
Form form = new Form(searchCriteriaRequest);
// Add fields
fRequestId = new TextField(fRequestId, new Model());
fFileName = new TextField(fFileName, new Model());
form.add(fRequestId);
form.add(fFileName);
// Add buttons
button = new Button(button) {
@Override
public void onSubmit() {
parameters.add(requestId, fRequestId.getValue());
parameters.add(fileName, fFileName.getValue());
setResponsePage(RequestPage.class, parameters);
}
};
form.add(button);
add(form);
In the constructor of this RequestPage, I call a populate method with
PageParameters
// Populate list with search criteria values
populateList(parameters.getKey(requestId),
parameters.getKey(fileName));
Questions :
1) Is it the good way to handle PageParameters and Form in Wicket ? If
this
is not the case, can someone point me to a good example ?
2) The fields filled in the previous post of my page are not removed when
I
repost a new request on my page. How can I reset these fields from the
request of the new post ?
Regards,
Charles Moulliard
Senior Enterprise Architect
Apache Camel Committer
*
blog : http://cmoulliard.blogspot.com
-
Eyal Golan
egola...@gmail.com
Visit: JVDrums
LinkedIn: LinkedIn
-
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SOA Architect
My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/
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Modify class : org.apache.wicket.spring.SpringWebApplicationFactory (possible) ?
Hi,
Is it possible to modify the following class :
org.apache.wicket.spring.SpringWebApplicationFactory
in order to retrieve the class org.springframework.osgi.BundleContext where
info about class loading are. This is required when Wicket is deployed on
OSGI server
Regards,
Charles Moulliard
SOA Architect
cmoulliard wrote:
Hi,
When I start my Apache Wicket bundle using Apache Service Mix (based on
Felix and Spring DM), I receive the following error :
Quote:
16:35:58,415 | DEBUG | localShell | jetty |
.service.internal.util.JCLLogger 85 | started
org.ops4j.pax.web.service.internal.model.ServletMo del-66
16:35:58,415 | INFO | localShell | HttpServiceProxy |
ervice.internal.HttpServiceProxy 129 | Registering event listener
[org.springframework.web.context.ContextLoaderListe n...@196dc61]
16:35:58,415 | DEBUG | localShell | HttpServiceStarted |
vice.internal.HttpServiceStarted 324 | Using context
[ContextModel{id=org.ops4j.pax.web.service.internal
.model.ContextModel-64,name=reportincident,httpContext=org.ops4j.pax.w
eb.extender.war.internal.webapphttpcont...@fe404a,
contextParams={webapp.context=reportincident,
contextClass=org.springframework.osgi.web.context.
support.OsgiBundleXmlWebApplicationContext}}]
16:35:58,415 | INFO | localShell | /reportincident |
.service.internal.util.JCLLogger 102 | Initializing Spring root
WebApplicationContext
16:35:58,415 | INFO | localShell | ContextLoader |
mework.web.context.ContextLoader 189 | Root WebApplicationContext:
initialization started
16:35:58,415 | ERROR | localShell | ContextLoader |
mework.web.context.ContextLoader 215 | Context initialization failed
java.lang.IllegalArgumentException: bundle context should be set before
refreshing the application context
at org.springframework.util.Assert.notNull(Assert.jav a:112)
at org.springframework.osgi.context.support.AbstractD
elegatedExecutionApplicationContext.normalRefresh(
AbstractDelegatedExecutionApplicationContext.java: 179)
at org.springframework.osgi.context.support.AbstractD
elegatedExecutionApplicationContext$NoDependencies
WaitRefreshExecutor.refresh(AbstractDelegatedExecu
tionApplicationContext.java:89)
at org.springframework.osgi.context.support.AbstractD
elegatedExecutionApplicationContext.refresh(Abstra
ctDelegatedExecutionApplicationContext.java:175)
at org.springframework.web.context.ContextLoader.crea
teWebApplicationContext(ContextLoader.java:255)
at org.springframework.web.context.ContextLoader.init
WebApplicationContext(ContextLoader.java:199)
at org.springframework.web.context.ContextLoaderListe
ner.contextInitialized(ContextLoaderListener.java: 45)
Here is the config of my web.xml file :
Quote:
?xml version=1.0 encoding=ISO-8859-1?
web-app xmlns=http://java.sun.com/xml/ns/j2ee; xmlns:xsi=
http://www.w3.org/2001/XMLSchema-instance;
xsi:schemaLocation=http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd;
version=2.4
display-namereportincident.web/display-name
context-param
param-namecontextClass/param-name
param-valueorg.springframework.osgi.web.context.support
.OsgiBundleXmlWebApplicationContext/param-value
/context-param
listener
listener-classorg.springframework.web.context.ContextLoade
rListener/listener-class
/listener
filter
filter-namewicket.reportincident.web/filter-name
filter-classorg.apache.wicket.protocol.http.WicketFilter /filter-class
init-param
param-nameapplicationClassName/param-name
param-valueorg.apache.camel.example.WicketApplication/param-value
/init-param
/filter
filter-mapping
filter-namewicket.reportincident.web/filter-name
url-pattern/*/url-pattern
/filter-mapping
/web-app
Any idea to solve this problem is welcome ?
Regards,
Charles
__
SOA Architect
-
Charles Moulliard
SOA Architect
My Blog : http://cmoulliard.blogspot.com/
-
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SOA Architect
My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/
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Re: example application for spring wicket hibernate
Another very interesting example is described here in the java world publication : http://www.javaworld.com/javaworld/jw-09-2008/jw-09-wicket3.html This is (from my point of view) the best spring/hibernate implementation see with Wicket (have a look to the code of the example : scramble-spring) Compare to the phonebook that I know, spring service dependency is injected in the web page through @SpringBean which is not the case in phone-book example Regards, Charles yowzator wrote: It's in /trunk/wicketstuff-core/phonebook Tauren On Thu, Jan 22, 2009 at 12:21 PM, Dane Laverty danelave...@chemeketa.edu wrote: I'd like to check out the phonebook app as well, but I can't find it. The link at http://wicketstuff.org/confluence/display/STUFFWIKI/wicket-phonebook says the SVN repository is at https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wick et-phonebook/ . That doesn't work, but if I replace the https with http, then I get to a directory tree. However, I don't see any phonebook app under trunk in there. Am I missing something obvious? - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - Charles Moulliard SOA Architect My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/example-application-for-spring-wicket-hibernate-tp20293119p21874186.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Bug in wicket-stuff phonebook
Hi, I would like to mention that there is a bug in the maven pom.xml file of the project phonebook because the properties files located here wicketstuff-core\phonebook\src\main\java\wicket\contrib\phonebook\web\page are not at copied in the WAR generated. In consequence, the following error is generated : WicketMessage: Can't instantiate page using constructor public wicket.contrib.phonebook.web.page.ListContactsPage() Root cause: java.util.MissingResourceException: Unable to find property: 'actions' for component: [class=wicket.contrib.phonebook.web.page.ListContactsPage] at org.apache.wicket.Localizer.getString(Localizer.java:342) at org.apache.wicket.Localizer.getString(Localizer.java:118) at org.apache.wicket.Component.getString(Component.java:1869) at org.apache.wicket.Component.getString(Component.java:1856) Can the owner of this application adapt the pom.xml to copy these properties files in the WAR ? Regards, - Charles Moulliard SOA Architect My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/Bug-in-wicket-stuff-phonebook-tp21869788p21869788.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
wicket-phonebook has been removed from svn ?
Hi, Can someone tell me where the project wicket-phonebook is located under svn because the following link mentioned on this page is not correct/accurate (http://wicketstuff.org/confluence/display/STUFFWIKI/wicket-phonebook/) ? https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicket-phonebook/ - Charles Moulliard SOA Architect My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/wicket-phonebook-has-been-removed-from-svn---tp21832291p21832291.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
RE: How to personalise HTML content with Wicket ?
Thks. Can I also use Model to define HTML section containing regular HTML with wicket id ? table tdtrtrtr/td td wicket id= Additional question : in this case, where content is define dynamically, which java class will trigger the wicket tags ? Stefan Lindner wrote: Several Ways to to this. The easiest way for your example HTML: H2H2/ In Java ModelString contentModel = new ModelString(); add(new Label(content, contentModel)); if (user=='admin'= contenModel.setObject(Admin part); else if (user == 'anonymous') contenModel.setObject(Anonymous part); Or in JAVA if (user=='admin'= add(new Label(content, (Admin part)); else if (user == 'anonymous') add(new Label(content, (Anonymous part)); -Ursprüngliche Nachricht- Von: cmoulliard [mailto:cmoulli...@gmail.com] Gesendet: Montag, 2. Februar 2009 11:10 An: users@wicket.apache.org Betreff: How to personalise HTML content with Wicket ? Hi, I would like to know how we can personalize the content with Wicket ? With framework like Struts, ... it is possible in a JSP page to display different HTML contents (let's say personalize content) according to conditions (e.g. profile user, ...). if (user == 'admin') H2Admin partH2/ if ( user == 'anonymous') H2Anonymous part/H2 Regards, Charles - Charles Moulliard SOA Architect My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/How-to-personalise-HTML-content-with-Wicket---tp21787067p21787067.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - Charles Moulliard SOA Architect My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/How-to-personalise-HTML-content-with-Wicket---tp21787067p21787287.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
How to personalise HTML content with Wicket ?
Hi, I would like to know how we can personalize the content with Wicket ? With framework like Struts, ... it is possible in a JSP page to display different HTML contents (let's say personalize content) according to conditions (e.g. profile user, ...). if (user == 'admin') H2Admin partH2/ if ( user == 'anonymous') H2Anonymous part/H2 Regards, Charles - Charles Moulliard SOA Architect My Blog : http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/ -- View this message in context: http://www.nabble.com/How-to-personalise-HTML-content-with-Wicket---tp21787067p21787067.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
