/******************************************************************************
* JBoss, a division of Red Hat *
* Copyright 2008, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt 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.portal.portlet.container.managed;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* @author <a href="mailto:julien@jboss.org">Julien Viet</a>
* @version $Revision: 630 $
*/
public class ManagedObjectRegistryEventBroadcaster implements ManagedObjectRegistryEventListener
{
/** . */
private final List<ManagedObjectRegistryEventListener> listeners;
public ManagedObjectRegistryEventBroadcaster()
{
listeners = new CopyOnWriteArrayList<ManagedObjectRegistryEventListener>();
}
public void addListener(ManagedObjectRegistryEventListener listener)
{
if (listener == null)
{
throw new IllegalArgumentException();
}
//
if (!listeners.contains(listener))
{
listeners.add(listener);
}
}
public void removeListener(ManagedObjectRegistryEventListener listener)
{
if (listener == null)
{
throw new IllegalArgumentException();
}
//
if (listeners.contains(listener))
{
listeners.remove(listener);
}
}
public void onEvent(ManagedObjectRegistryEvent event)
{
for (ManagedObjectRegistryEventListener listener : listeners)
{
try
{
listener.onEvent(event);
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
}
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