Struts2 Iterator

[Rajkumar Kathiresan]

I have a two map "student","address" in my action class.

package com.test.action;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

public class TilesAction extends ActionSupport {

	private Map student;
	private Map address;
	
       public Map getStudent()
	{
		return student;
	}

	public Map getAddress()
	{
		return address;
	}
  
	public String execute()
	{
		student = new HashMap();
		student.put("1", "AAAA");
		student.put("2", "BBBB");

		address= new HashMap();
		address.put("S1", "STREET1");
		address.put("S2", "STREET2");
		
		return SUCCESS;
	}
	
}

I want to get the values from address map using the key of student map. ie., i need to append "S" with the key of student & need to pass that new value as a key for address Map. I tried some thing but its not working...

<s:iterator id="student" status="sts" value="student.keySet()">
     <s:property /> <s:select list="address.get(#student)" /> 
</s:iterator>	

any one help me on this...

[Peter Searls]

Hi,

I modified your example a little to make things a little clearer.

         //
         // Here are the map initializations in the action.
         // Get methods have been added for the maps.
         student = new HashMap<String, String>();  
         student.put("1", "AAAA");  
         student.put("2", "BBBB");  
           
         address= new HashMap<String, String>();  
         address.put("S1", "STREET1");  
         address.put("S2", "STREET2");

Here are the entries from the jsp:
The iterator returns the EntrySet for each entry in the map.
To display the Student values you can just use the getKey() and getValue() methods.
To look up the student key to get the address, append the getKey() from the entrySet with
a literal 'S'.

<s:iterator var="studentEntry" status="stat" value="student.entrySet()">
    Student Key: <s:property value="%{#studentEntry.getKey()}"/> - Student Value: <s:property value="%{#studentEntry.getValue()}"/><br>
    Address Value: <s:property value="address['S' + #studentEntry.getKey()]"/><br>
</s:iterator>

Here are the results:
Student Key: 1 - Student Value: AAAA
Address Value: STREET1
Student Key: 2 - Student Value: BBBB
Address Value: STREET2

I hope this helps.

Pete Searls

[Rajkumar Kathiresan]

lol It worked for me Thanks.