Code example for Listener Portlet (ipc1)

package com.sun.portal.portlet.ipc1;

import com.sun.portal.portletappengine.ipc.EventRequest;
import com.sun.portal.portletappengine.ipc.EventResponse;
import com.sun.portal.portletappengine.ipc.PortletEventListener;
...

/**
* The ConsiderationPortlet participates in the InterPortletCommunication.
* This consumes the event generated by the PricePortlet which is in a
* different web application.
*/
public class ConsiderationPortlet extends GenericPortlet{
   implements PortletEventListener ...
   public void handleEvent(EventRequest ereq, EventResponse eres) {
      String data = (String) ereq.getEventData();
      eres.setRenderParameter("price", data);
   }
   ...
	  }