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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.shutdown;
import java.lang.management.ManagementFactory;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.log4j.Logger;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
public class Activator implements BundleActivator
{
private static final Logger _logger = Logger.getLogger(Activator.class);
private static final String SHUTDOWN_MBEAN_NAME = "org.apache.qpid:type=ShutdownMBean";
/** @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext) */
public void start(BundleContext ctx) throws Exception {
Shutdown shutdown = new Shutdown();
if (ctx != null)
{
ctx.registerService(ShutdownMBean.class.getName(), shutdown, null);
}
// MBean registration
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
ObjectName name = new ObjectName(SHUTDOWN_MBEAN_NAME);
mbs.registerMBean(shutdown, name);
_logger.info("Shutdown plugin MBean registered");
}
/** @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext) */
public void stop(BundleContext ctx) throws Exception
{
// Unregister MBean
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
ObjectName name = new ObjectName(SHUTDOWN_MBEAN_NAME);
try
{
mbs.unregisterMBean(name);
}
catch (InstanceNotFoundException e)
{
//ignore
}
_logger.info("Shutdown plugin MBean unregistered");
}
}
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