MVCPortlet for Ajax Call

MYMVCPortlet.java

package com.ys.foo.portlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.portlet.PortletException;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.util.bridges.mvc.MVCPortlet;

/**
 * Portlet implementation class
 */
public class MyMVCPortlet extends MVCPortlet {
	
	public void serveResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
			throws PortletException, IOException {

		resourceResponse.setContentType("text/javascript");
		
		//Print What you get from Server
		System.out.println("param1 sent from Browser- " +  resourceRequest.getParameter("param1"));
		System.out.println("param2 sent from Browser- " +  resourceRequest.getParameter("param2"));
	
		JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
		ArrayList<String>  strList = new ArrayList<String>();
		
		strList.add("FIRST ONE");
		strList.add("SECOND ONE");
		
		//Send Data Back
		jsonObject.put("retVal1", "Returing First value from server");
		jsonObject.put("retVal2", strList.toString());
		
		
		
		PrintWriter writer = resourceResponse.getWriter();
		writer.write(jsonObject.toString());

	}
 

}