Re: Problems initializing form objects

[Jeff Beal]

When I have this sort of thing, I usually put it in an "initializer" 
Action that I always link to in place of the JSP.

<action path="initPage" name="BasicContentForm" validate="false" 
type="com.example.InitAction">
  <!-- This action populates the form -->
  <forward path="page.jsp" redirect="false" name="success" />
</action>
<action path="processPage" name="BasicContentForm" validate="true" 
input="initPage.do" ...>
  <!-- this action processes the form -->
</action>

-- Jeff
Diego Manilla Suárez wrote:
Hi! I have a problem with form members initialization.
I have this form.
public class BasicContentForm extends ValidatorForm {
   protected java.util.List propertyValues;
     public BasicContentForm() {
       this.propertyValues = new java.util.ArrayList();
   }
     public void setPropertyValues( java.util.List propertyValues ) {
       this.propertyValues = propertyValues;
   }        public java.util.List getPropertyValues() {
       return this.propertyValues;
   }
     public Object getPropertyValue(int index) {
       return propertyValues.get(index);
   }
     public void reset(ActionMapping mapping, HttpServletRequest request) {
       this.propertyValues = new java.util.ArrayList();
   }
}
And this jsp:
<logic:iterate name="basicContentForm" property="propertyValues" 
id="propertyValue">
<html:text name="propertyValue" property="value" indexed="true"/>
</logic:iterate>

The problem is that the number and type of the elements of 
propertyValues list is calculated dynamically (from the database). I was 
doing that on my Action class, but I've realized that this doesn't work: 
when I submit the form, I get an Exception at BeanUtils.populate, 
because the list is not properly initialized. If I can't initialize it 
on the reset() method (I need to access the database), what else can I do?

Thanks in advance

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