Also posting the code for PortletA and PortletB

PortletA.java

package org.jboss.portal.core.samples.basic.event;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.PortletSecurityException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
 * @version $Revision: 5448 $
 */
public class PortletA extends GenericPortlet
{
 protected void doView(RenderRequest request, RenderResponse response) throws PortletException, PortletSecurityException, IOException
 {
 response.setContentType("text/html");
 PrintWriter writer = response.getWriter();
 writer.println("<form action=\"" + response.createActionURL() + "\" method=\"post\">");
 writer.println("<select name=\"color\">");
 writer.println("<option>blue</option>");
 writer.println("<option>red</option>");
 writer.println("<option>black</option>");
 writer.println("</select>");
 writer.println("<input type=\"submit\"/>");
 writer.println("</form>");
 writer.close();
 }
}

package org.jboss.portal.core.samples.basic.event;

import org.jboss.portal.WindowState;
import org.jboss.portal.api.node.PortalNode;
import org.jboss.portal.api.node.event.PortalNodeEvent;
import org.jboss.portal.api.node.event.PortalNodeEventContext;
import org.jboss.portal.api.node.event.PortalNodeEventListener;
import org.jboss.portal.api.node.event.WindowActionEvent;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.PortletSecurityException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
 * @version $Revision: 8785 $
 */
public class PortletB extends GenericPortlet
{

 public void processAction(ActionRequest request, ActionResponse response) throws PortletException, PortletSecurityException, IOException
 {
 String color = request.getParameter("color");
 if (color != null)
 {
 response.setRenderParameter("color", color);
 }
 }

 protected void doView(RenderRequest request, RenderResponse response) throws PortletException, PortletSecurityException, IOException
 {
 String color = request.getParameter("color");
 response.setContentType("text/html");
 PrintWriter writer = response.getWriter();
 writer.println("<div" +
 (color == null ? "" : " style=\"color:" + color + ";\"") +
 ">some text in color</div>");
 writer.close();
 }

 public static class Listener implements PortalNodeEventListener
 {
 public PortalNodeEvent onEvent(PortalNodeEventContext context, PortalNodeEvent event)
 {
 PortalNode node = event.getNode();

 // Get node name
 String nodeName = node.getName();

 // See if we need to create a new event or not
 WindowActionEvent newEvent = null;
 if (nodeName.equals("PortletAWindow") && event instanceof WindowActionEvent)
 {
 // Find window B
 WindowActionEvent wae = (WindowActionEvent)event;
 PortalNode windowB = node.resolve("../PortletBWindow");
 if (windowB != null)
 {
 // We can redirect
 newEvent = new WindowActionEvent(windowB);
 newEvent.setWindowState(WindowState.MAXIMIZED);
 newEvent.setParameters(wae.getParameters());
 }
 }

 //
 if (newEvent != null)
 {
 // If we have a new event redirect to it
 return newEvent;
 }
 else
 {
 // Otherwise bubble up
 return context.dispatch();
 }
 }
 }
}

Hi,
Can u pls tell the hierarchy of making this IPC portlet ?? i mean what all files are needed and also where to place the same??

Thanks in advance.

I have the exact issue. With regards to referencing the listener in the default-object.xml, where is this file defined. I have a separate .sar directory containing my listener class as well as the jboss-service.xml file.

Is there a different location where i need to put the reference to listener, other than the default-object.xml file in the portal-core.sar directory?

Thanks much.