/*
* 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 org.jboss.mx.notification;
import javax.management.ListenerNotFoundException;
import javax.management.NotificationBroadcaster;
import javax.management.NotificationEmitter;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.ObjectName;
/**
* The notification listener registration for a listener in
* the mbeanserver. The listener is proxied so we can
* replace the source of the notification with the object name.<p>
*
* We also handle the registration with the broadcaster.
*
* @see org.jboss.mx.notification.ListenerRegistry
* @see org.jboss.mx.notification.ListenerRegistrationFactory
*
* @author <a href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock</a>.
* @version $Revision: 81022 $
*/
public class MBeanServerListenerRegistration
extends DefaultListenerRegistration
{
// Attributes ----------------------------------------------------
/**
* The notification listener proxy
*/
private NotificationListener proxy;
private NotificationFilter filterProxy;
/**
* The notification broadcaster
*/
private NotificationBroadcaster broadcaster;
// Constructor ---------------------------------------------------
/**
* Create a listener registration
*
* @param name the object name to use as the notifiation source
* @param broadcaster the notification broadcaster
* @param listener the notification listener
* @param filter the notification filter
* @param handback the handback object a
*/
public MBeanServerListenerRegistration(ObjectName name,
NotificationBroadcaster broadcaster,
NotificationListener listener,
NotificationFilter filter,
Object handback)
{
super(listener, filter, handback);
proxy = (NotificationListener) NotificationListenerProxy.newInstance(name, listener);
this.broadcaster = broadcaster;
this.filterProxy = (filter==null) ? null : new NotificationFilterProxy(name,filter);
broadcaster.addNotificationListener(proxy, filterProxy, handback);
}
// Public --------------------------------------------------------
// ListenerRegistration Implementation ---------------------------
public NotificationListener getListener()
{
return proxy;
}
public NotificationFilter getFilter()
{
return filterProxy;
}
public void removed()
{
try
{
if (broadcaster instanceof NotificationEmitter)
((NotificationEmitter) broadcaster).removeNotificationListener(getListener(), getFilter(), getHandback());
else
broadcaster.removeNotificationListener(getListener());
}
catch (ListenerNotFoundException ignored)
{
}
}
}