Struts 2 Type Conversion HashSet Object within the List of Object

[sanrosh95 <sa...@sherwin.com>]

Hi ,

I am able to display List and HashSet within List correctly from Action to
JSP .But when Form is Submitted i m getting error while setting SubCats
within the Category Object 
I have addded Type Conversion for Category and its working fine .How to add
Conversion for SubCategory Within the Category 


KeyProperty_categorys=id
Element_categorys=com.model.Category 
CreateIfNull_categorys=true


I have 2 Clases

Public Class Category {

private Long id;
private String name;
private Set SubCats = new HashSet(0);

public Long getId() {
	return this.id;
}

public void setId(Long id) {
	this.id = id;
}

public String getName() {
	return this.name;
}

public void setName(String name) {
	this.name = name;
}

public Set getSubCats() {
		return this.SubCats ;
}

public void setSubCats(Set SubCats) {
	
this.SubCats = SubCats;
		
}


}


Public Class SubCategory {

private Long id;
private String name;
private boolean selected = false;

public Long getId() {
	return this.id;
}

public void setId(Long id) {
	this.id = id;
}

public String getName() {
	return this.name;
}

public void setName(String name) {
	this.name = name;
}

public boolean isSelected() {
		return selected;
}

public void setSelected(boolean selected) {
this.selected = selected;
}

}


My Action Class 

public class EditAction extends ActionSupport {

private List categorys;

public List getCategorys() {
	return categorys;
}

public void setCategorys(List categorys) {
	this.categorys = categorys;
}

}


My JSP :


<s:iterator value="categorys" status="stat" >
              <tr>
                <td><s:property  value="name" />
                <s:hidden value="%{id}"  name="categorys[%{#stat.index}].id"
/>
                <s:hidden value="%{name}" 
name="categorys[%{#stat.index}].name" />
                </td>
               </tr>              
               
         <s:iterator value ="SubCats" status="st" >
                      <tr>
                        <td>
                      	<s:hidden value="%{id}" 
name="categorys[%{#stat.index}].SubCats[%{#st.index}].id" />
                     	<s:hidden value="%{name}" 
name="categorys[%{#stat.index}].SubCats[%{#st.index}].name" />
                     	<s:checkbox
name="categorys[%{#stat.index}].SubCats[%{#st.index}].selected"
value="%{selected}" theme="simple" />
			</td>
                      </tr>
         </s:iterator>
</s:iterator>  



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