/*
* 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.jmx.examples.configuration;
import java.io.Serializable;
import javax.management.MBeanServerNotification;
import javax.management.Notification;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import org.jboss.logging.Logger;
import org.jboss.services.binding.ServiceBindingManager;
import org.jboss.services.binding.ServiceBindingManagerMBean;
import org.jboss.system.ServiceMBeanSupport;
/**
* @author <a href="mailto:tom@jboss.org">Tom Elrod</a>
* @author Brian Stansberry
*/
public abstract class MBeanConfiguratorSupport extends ServiceMBeanSupport
implements MBeanConfiguratorSupportMBean, NotificationListener
{
private static final Logger log = Logger.getLogger(MBeanConfiguratorSupport.class.getName());
private ServiceBindingManager serviceBindingManager;
/**
* Use the short class name as the default for the service name.
*/
public String getName()
{
return "MBeanConfiguratorSupport";
}
public void startService()
{
try
{
log.debug("Starting MBeanConfiguratorSupport service.");
ObjectName mbeanserver = new ObjectName("JMImplementation:type=MBeanServerDelegate");
RegistrationNotificationFilter mbeanServerNotificationFilter = new RegistrationNotificationFilter();
getServer().addNotificationListener(mbeanserver, this, mbeanServerNotificationFilter, null);
}
catch (Exception e)
{
log.error("Could not start MBeanConfiguratorSupport service.", e);
}
}
public ServiceBindingManager getServiceBindingManager()
{
return serviceBindingManager;
}
public void setServiceBindingManager(ServiceBindingManager serviceBindingManager)
{
this.serviceBindingManager = serviceBindingManager;
}
public abstract void mbeanRegistered(ObjectName objectName)
throws Exception;
/**
* Callback method from the broadcaster MBean this listener implementation
* is registered to.
*
* @param notification the notification object
* @param handback the handback object given to the broadcaster
* upon listener registration
*/
public void handleNotification(Notification notification, Object handback)
{
//Should be a mbean registration notification due to RegistrationNotificationFilter being used.
if (notification instanceof MBeanServerNotification)
{
if (notification.getType().equals(MBeanServerNotification.REGISTRATION_NOTIFICATION))
{
MBeanServerNotification serverNotification = (MBeanServerNotification) notification;
try
{
mbeanRegistered(serverNotification.getMBeanName());
}
catch (Exception e)
{
log.error("Error configuring mbean " + serverNotification.getMBeanName(), e);
}
}
}
}
public class RegistrationNotificationFilter implements NotificationFilter, Serializable
{
/**
* This method is called before a notification is sent to see whether
* the listener wants the notification.
*
* @param notification the notification to be sent.
* @return true if the listener wants the notification, false otherwise
*/
public boolean isNotificationEnabled(Notification notification)
{
boolean processNotification = false;
if (notification instanceof MBeanServerNotification)
{
if (notification.getType().equals(MBeanServerNotification.REGISTRATION_NOTIFICATION))
{
processNotification = true;
}
}
return processNotification;
}
}
}