/*
* 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.jboss;
import java.net.URL;
import javax.management.AttributeChangeNotification;
import javax.management.ListenerNotFoundException;
import javax.management.MBeanException;
import javax.management.MBeanNotificationInfo;
import javax.management.MalformedObjectNameException;
import javax.management.NotCompliantMBeanException;
import javax.management.Notification;
import javax.management.NotificationBroadcasterSupport;
import javax.management.NotificationEmitter;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import org.jacorb.notification.interfaces.JMXManageable;
import org.jacorb.notification.jmx.JMXManageableMBeanProvider;
import org.jboss.mx.modelmbean.XMBean;
import org.nanocontainer.remoting.jmx.DynamicMBeanProvider;
import org.nanocontainer.remoting.jmx.JMXRegistrationException;
import org.nanocontainer.remoting.jmx.JMXRegistrationInfo;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.PicoContainer;
/**
* JBoss specific DynamicMBeanProvider.
*
* @author Alphonse Bendt
* @version $Id$
*/
public class JMXManageableXMBeanProvider implements DynamicMBeanProvider
{
private static class JMXManageableXMBean extends XMBean implements NotificationEmitter
{
final NotificationBroadcasterSupport broadCaster_ = new NotificationBroadcasterSupport();
long notificationSequence_ = 1;
private final String[] types_;
public JMXManageableXMBean(final JMXManageable manageable, URL url) throws NotCompliantMBeanException, MBeanException
{
super(manageable, url);
types_ = manageable.getJMXNotificationTypes();
manageable.setJMXCallback(new JMXManageable.JMXCallback(){
public void sendJMXNotification(String type, String message)
{
broadCaster_.sendNotification(new Notification(type,// type
manageable, // source
++notificationSequence_, // seq. number
message // message
));
}
public void sendJMXAttributeChanged(String name, Object oldValue, Object newValue)
{
broadCaster_.sendNotification(new AttributeChangeNotification(manageable,
++notificationSequence_,
System.currentTimeMillis(),
"Attribute value changed",
name,
oldValue == null ? null : oldValue.getClass().getName(),
oldValue,
newValue));
}
public void sendJMXNotification(String type, String message, Object payload)
{
sendJMXNotification(type, message);
}});
}
public void addNotificationListener(NotificationListener listener, NotificationFilter filter,
Object handback) throws IllegalArgumentException
{
broadCaster_.addNotificationListener(listener, filter, handback);
}
public void removeNotificationListener(NotificationListener listener)
throws ListenerNotFoundException
{
broadCaster_.removeNotificationListener(listener);
}
public void removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback) throws ListenerNotFoundException
{
broadCaster_.removeNotificationListener(listener, filter, handback);
}
public MBeanNotificationInfo[] getNotificationInfo()
{
return new MBeanNotificationInfo[] {
new MBeanNotificationInfo(types_,
Notification.class.getName(),
"User Notifications"),
new MBeanNotificationInfo(new String[] { AttributeChangeNotification.ATTRIBUTE_CHANGE },
AttributeChangeNotification.class.getName(),
"User attribute change notification") };
}
}
private final String domain_;
private final JMXManageableMBeanProvider fallback_;
public JMXManageableXMBeanProvider(String domain)
{
super();
domain_ = domain;
fallback_ = new JMXManageableMBeanProvider(domain);
}
public JMXRegistrationInfo provide(PicoContainer picoContainer,
ComponentAdapter componentAdapter)
{
final Object _componentInstance = componentAdapter.getComponentInstance(picoContainer);
try
{
final JMXManageable _manageable = (JMXManageable) _componentInstance;
Exception _exception = null;
try
{
// try to load XML XMBean Descriptor.
String _clazzName = _manageable.getClass().getName().replace('.', '/');
URL _url = _manageable.getClass().getResource("/" + _clazzName + ".xml");
if (_url == null)
{
return fallback_.provide(picoContainer, componentAdapter);
}
final ObjectName _objectName = ObjectName.getInstance(domain_ + ":" + _manageable.getJMXObjectName());
final JMXManageableXMBean _xmbean = new JMXManageableXMBean(_manageable, _url);
return new JMXRegistrationInfo(_objectName, _xmbean);
} catch (MalformedObjectNameException e)
{
_exception = e;
} catch (NotCompliantMBeanException e)
{
_exception = e;
} catch (NullPointerException e)
{
_exception = e;
} catch (MBeanException e)
{
_exception = e;
}
throw new JMXRegistrationException("Cannot create MBean for component '"
+ componentAdapter.getComponentKey() + "'", _exception);
} catch (ClassCastException e)
{
return null;
}
}
}