/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 Gerald Brose
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
package org.jacorb.notification.jmx;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanRegistrationException;
import javax.management.MBeanServer;
import org.slf4j.Logger;
import org.jacorb.notification.interfaces.Disposable;
import org.jacorb.notification.interfaces.JMXManageable;
import org.jacorb.notification.util.LogUtil;
import org.nanocontainer.remoting.jmx.DynamicMBeanProvider;
import org.nanocontainer.remoting.jmx.JMXRegistrationInfo;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.PicoContainer;
/**
* a DynamicMBeanProvider decorator that will add a disposehook to the instance
* for which a mbean is created
* the disposehook will deregister the mbean from the mbeanserver.
*
* @author Alphonse Bendt
* @version $Id: UnregisterObjectNameProviderDecorator.java,v 1.4 2009-05-03 21:34:47 andre.spiegel Exp $
*/
public class UnregisterObjectNameProviderDecorator implements DynamicMBeanProvider
{
private final DynamicMBeanProvider delegate_;
final MBeanServer mbeanServer_;
final Logger logger_ = LogUtil.getLogger(getClass().getName());
public UnregisterObjectNameProviderDecorator(MBeanServer mbeanServer, DynamicMBeanProvider delegate)
{
super();
mbeanServer_ = mbeanServer;
delegate_ = delegate;
}
public JMXRegistrationInfo provide(PicoContainer picoContainer, ComponentAdapter componentAdapter)
{
final JMXRegistrationInfo _info = delegate_.provide(picoContainer, componentAdapter);
if (_info != null)
{
try
{
final JMXManageable manageable =
(JMXManageable) componentAdapter.getComponentInstance(picoContainer);
manageable.registerDisposable(new Disposable()
{
public void dispose()
{
try
{
logger_.info("Unregister MBean " + _info.getObjectName());
mbeanServer_.unregisterMBean(_info.getObjectName());
} catch (InstanceNotFoundException e)
{
logger_.error("Error while unregistering MBean "
+ _info.getObjectName(), e);
} catch (MBeanRegistrationException e)
{
logger_.error("Error while unregistering MBean "
+ _info.getObjectName(), e);
}
}
});
} catch (ClassCastException e)
{
// ignore as componentInstance is not a JMXManageable
}
}
return _info;
}
}