Sender

Sender.java

package com.sender;
import java.io.IOException;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.PortletSession;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;

public class Sender extends MVCPortlet {
	public void processFood(ActionRequest request, ActionResponse response) throws PortletException, IOException {
		String foodType = ParamUtil.getString(request, "foodType" ,"default");
		
		if(!foodType.equalsIgnoreCase("default"))
		{
		PortletSession session = request.getPortletSession();
		session.setAttribute("foodType",foodType, PortletSession.APPLICATION_SCOPE);
		}
	}
}