I am having some problem using the nested struts. As I created enough mess
in my original code by trying out different options, here is a small project
that I setup just to test this thing out first.
So, I have two form beans TestFirst and TestSecond. TestFirst extends
org.apache.struts.action.ActionForm and is the parent that contains a
collection of TestSecond.
TestFirst.java
public ArrayList getPages() { return _pageList; }
public Object[] getPageList () { return _pageList.toArray(); }
public void setPageList (Object[] pList)
{
_pageList = new ArrayList((Arrays.asList(pList)));
}
test.jsp
<html:form action="/setTestList">
<nested:hidden property="method" value="setTestList"/>
<jsp:useBean id="testBean"
type="com.webmd.qaadmin.forms.TestFirst" scope="session"/>
<table>
<nested:root name="testBean">
<tr>
<td><nested:text property="questionnaireId"
/></td>
<td><nested:text
property="questionnaireName" /></td>
</tr>
<nested:iterate property="pageList"
type="com.webmd.qaadmin.forms.TestSecond" indexId="inId">
<tr>
<td></td>
<td><nested:text property="pageId"
/></td>
<td><nested:text
property="pageTitle" /></td>
</tr>
</nested:iterate>
</nested:root>
</table>
<html:submit >Save</html:submit>
</html:form>
Struts_config.xml
<struts-config>
<form-beans>
<form-bean name="testBean"
type="com.webmd.qaadmin.forms.TestFirst"/>
</form-beans>
<action-mappings>
<action path="/getTestList"
type="com.webmd.qaadmin.action.TestAction"
name="testBean"
scope="session"
parameter="method"
validate="false">
<forward name="display" path="/test.jsp" />
<forward name="error" path="/test.jsp" />
</action>
<action path="/setTestList"
type="com.webmd.qaadmin.action.TestAction"
name="testBean"
scope="session"
parameter="method"
input="/test.jsp"
validate="false">
<forward name="display" path="/test.jsp" />
<forward name="error" path="/test.jsp" />
</action>
</action-mappings>
</struts-config>
In the Action I simple fill the form up in the getTestList() method and try
to get the use data in the setTestList() method.
Test.Jsp has just <nested:iterate> tag to iterate over the collection.
Now, getTestList() works fine and shows the data correctly in the jsp. but
when I submit this page the data(collection data of pagelist) doesnot go to
the action.
I get a ArrayIndexOutOfBoundsException. After debugging a little I found
that this exception is thrown in getPageList() method of TestFirst. When it
tries to do return _pageList.toArray(); as _pageList is null
Can you tell me what I might be missing. I have struts1.1 jar in my lib
folder and all the latest taglibs in web-inf
I have tried putting this in both session and request scope.
I would really appreciate your help.
Thanks a lot ,
Sonali
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