pass , sorry i have no clue
On Thu, Oct 23, 2008 at 10:37 AM, pieter claassen <[EMAIL PROTECTED]>wrote:
> Ok, I added;
>
> public class Debug {
> public static void debug(List list) {
> for (Object item : list) {
> System.out.println("++DEBUG++: " +
> item.getClass().toString());
> }
> }
>
>
> and called debug just before I returned my ArrayList of question:
>
> public ArrayList<QuestionAndAnswer> getQuestions() {
> Debug.debug(questions);
> return questions;
> }
>
> This is what I saw in my console. There are two objects in the list and
> they are both QuestionAndAnswer objects
>
>
> ++DEBUG++: class com.musmato.model.QuestionAndAnswer
> ++DEBUG++: class com.musmato.model.QuestionAndAnswer
>
> Regards,
> Pieter
>
>
> On Oct 23, 2008, at 11:18 AM, Dipu wrote:
>
> can't you check what exactly is being returned by template.getQuestions()
>> and if its a list what are the items in it
>>
>>
>>
>>
>> On Thu, Oct 23, 2008 at 10:10 AM, pieter claassen <[EMAIL PROTECTED]
>> >wrote:
>>
>> Hi Dipu,
>>>
>>> I tried that but when I do the following:
>>>
>>> protected void populateItem(ListItem item) {
>>> System.out.println("+++++++" +
>>> item.getModelObject().getClass().getName());
>>> final QuestionAndAnswer qanda = (QuestionAndAnswer)
>>> item.getModelObject();
>>>
>>> I find that I now get the ClassCastException in the System.out.println
>>> line. It is clear as mud that the problem is that I am trying to force
>>> something into a list which is not a list?
>>>
>>> Regards,
>>> Pieter
>>>
>>>
>>>
>>> On Oct 23, 2008, at 10:59 AM, Dipu wrote:
>>>
>>> looks like template.getQuestions() is returning a list with items in it
>>>
>>>> which is not of the type QuestionAndAnswer
>>>>
>>>> try iterating through the list and logging the class name of each item
>>>> in
>>>> it
>>>>
>>>> Dipu
>>>>
>>>>
>>>>
>>>> On Thu, Oct 23, 2008 at 9:46 AM, pieter claassen <[EMAIL PROTECTED]
>>>>
>>>>> wrote:
>>>>>
>>>>
>>>> I am getting a classcast exception in ListView that is stumping me.
>>>>
>>>>>
>>>>> This is the error message (top few lines)
>>>>>
>>>>> WicketMessage: Error attaching this container for rendering:
>>>>> [MarkupContainer [Component id = questioneditform]]
>>>>>
>>>>> Root cause:
>>>>>
>>>>> java.lang.ClassCastException: com.musmato.model.QuestionAndAnswer
>>>>> at
>>>>>
>>>>>
>>>>> org.apache.wicket.markup.html.list.ListItemModel.getObject(ListItemModel.java:55)
>>>>> at org.apache.wicket.Component.getModelObject(Component.java:1558)
>>>>> at
>>>>>
>>>>>
>>>>> com.musmato.wicket.pages.templates.TemplateEditPage$QuestionEditForm$1.populateItem(TemplateEditPage.java:93)
>>>>>
>>>>>
>>>>> This is the code that generates my ListItems:
>>>>>
>>>>> ListView questions = new ListView("questions",
>>>>> template
>>>>> .getQuestions()) {
>>>>>
>>>>>
>>>>> @Override
>>>>> protected void populateItem(ListItem item) {
>>>>> final QuestionAndAnswer qanda =
>>>>> (QuestionAndAnswer) item
>>>>> .getModelObject();
>>>>> setModel(new
>>>>> CompoundPropertyModel(qanda));
>>>>>
>>>>>
>>>>>
>>>>> I know for a fact that template.getQuestions() produces an ArrayList.
>>>>>
>>>>> The arraylist works when there is only 1 item in it but when I have
>>>>> more
>>>>> than 1 item, it fails with the ClassCastException. Is this a wicket
>>>>> problem
>>>>> or am I doing something wrong?
>>>>>
>>>>> Regards,
>>>>> Pieter
>>>>> pieter claassen
>>>>> [EMAIL PROTECTED]
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>>>>> For additional commands, e-mail: [EMAIL PROTECTED]
>>>>>
>>>>>
>>>>>
>>>>> pieter claassen
>>> [EMAIL PROTECTED]
>>>
>>>
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>>> For additional commands, e-mail: [EMAIL PROTECTED]
>>>
>>>
>>>
> pieter claassen
> [EMAIL PROTECTED]
>
>
>
>
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>
