/*
* 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.management.mejb;
import org.jboss.logging.Logger;
import javax.management.*;
import java.rmi.RemoteException;
import java.util.Random;
/**
* Basic Local Listener to receive Notification from a remote JMX Agent
*
* @author ???
* @version $Revision: 81025 $
*/
public abstract class ClientNotificationListener
{
private ObjectName mSender;
private ObjectName mRemoteListener;
protected NotificationListener mClientListener;
protected Object mHandback;
private Random mRandom = new Random();
protected Logger log = Logger.getLogger(this.getClass());
public ClientNotificationListener(ObjectName pSender,
NotificationListener pClientListener,
Object pHandback)
{
mSender = pSender;
mClientListener = pClientListener;
mHandback = pHandback;
}
public ObjectName createListener(MEJB pConnector,
String pClass,
Object[] pParameters,
String[] pSignatures) throws
MalformedObjectNameException,
ReflectionException,
MBeanRegistrationException,
MBeanException,
NotCompliantMBeanException,
RemoteException
{
ObjectName lName = null;
while (lName == null)
{
try
{
lName = new ObjectName("JMX:type=listener,id=" + mRandom.nextLong());
ObjectInstance lInstance = pConnector.createMBean(pClass,
lName,
pParameters,
pSignatures);
lName = lInstance.getObjectName();
}
catch (InstanceAlreadyExistsException iaee)
{
lName = null;
}
/* A remote exception could cause an endless loop therefore take it out
catch( RemoteException re ) {
lName = null;
}
*/
}
mRemoteListener = lName;
return lName;
}
public void addNotificationListener(MEJB pConnector,
NotificationFilter pFilter) throws
InstanceNotFoundException,
RemoteException
{
pConnector.addNotificationListener(mSender,
mRemoteListener,
pFilter,
null);
}
public void removeNotificationListener(MEJB pConnector) throws
InstanceNotFoundException,
RemoteException
{
try
{
pConnector.removeNotificationListener(mSender,
mRemoteListener);
}
catch (JMException jme)
{
}
try
{
pConnector.unregisterMBean(mRemoteListener);
}
catch (JMException jme)
{
}
}
public ObjectName getSenderMBean()
{
return mSender;
}
public ObjectName getRemoteListenerName()
{
return mRemoteListener;
}
public boolean equals(Object pTest)
{
if (pTest instanceof ClientNotificationListener)
{
ClientNotificationListener lListener = (ClientNotificationListener) pTest;
return
mSender.equals(lListener.mSender) &&
mClientListener.equals(lListener.mClientListener);
}
return false;
}
}