/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package test.implementation.notification.support;
import java.util.ArrayList;
import java.util.HashMap;
import javax.management.Notification;
import javax.management.NotificationListener;
/**
* A listener
*
* @author <a href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock</a>.
*/
public class Listener
implements NotificationListener
{
// Attributes ----------------------------------------------------------------
/**
* The notifications received by handback object
*/
public HashMap notifications = new HashMap();
public boolean waiting = false;
// Constructor ---------------------------------------------------------------
/**
* Constructor
*/
public Listener()
{
}
// Notification Listener Implementation --------------------------------------
/**
* Handle the notification
*/
public void handleNotification(Notification notification, Object handback)
{
doWait(true);
synchronized(notifications)
{
ArrayList received = (ArrayList) notifications.get(handback);
if (received == null)
{
received = new ArrayList();
notifications.put(handback, received);
}
received.add(notification);
}
doNotify(false);
}
public synchronized void doWait(boolean value)
{
try
{
waiting = value;
this.wait();
}
catch (InterruptedException e)
{
throw new RuntimeException(e.toString());
}
}
public synchronized void doNotify(boolean expected)
{
try
{
while (waiting != expected)
this.wait(10);
this.notifyAll();
}
catch (InterruptedException e)
{
throw new RuntimeException(e.toString());
}
}
}