//
// 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 com.cloud.utils.mgmt;
import java.lang.management.ManagementFactory;
import java.util.ArrayList;
import javax.management.InstanceAlreadyExistsException;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanRegistrationException;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.MalformedObjectNameException;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
public class JmxUtil {
public static ObjectName registerMBean(ManagementBean mbean) throws MalformedObjectNameException, InstanceAlreadyExistsException, MBeanRegistrationException,
NotCompliantMBeanException {
return registerMBean(mbean.getName(), null, mbean);
}
public static ObjectName registerMBean(String objTypeName, String objInstanceName, Object mbean) throws MalformedObjectNameException, InstanceAlreadyExistsException,
MBeanRegistrationException, NotCompliantMBeanException {
String name = "com.cloud:type=" + objTypeName;
if (objInstanceName != null && !objInstanceName.isEmpty())
name += ", name=" + objInstanceName;
ObjectName objectName = new ObjectName(name);
ArrayList<MBeanServer> server = MBeanServerFactory.findMBeanServer(null);
if (server.size() > 0) {
MBeanServer mBeanServer = server.get(0);
if (!mBeanServer.isRegistered(objectName))
mBeanServer.registerMBean(mbean, objectName);
return objectName;
} else {
MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
if (!mBeanServer.isRegistered(objectName))
mBeanServer.registerMBean(mbean, objectName);
return objectName;
}
}
public static void unregisterMBean(String objTypeName, String objInstanceName) throws MalformedObjectNameException, MBeanRegistrationException,
InstanceNotFoundException {
ObjectName name = composeMBeanName(objTypeName, objInstanceName);
unregisterMBean(name);
}
public static void unregisterMBean(ObjectName name) throws MalformedObjectNameException, MBeanRegistrationException, InstanceNotFoundException {
ArrayList<MBeanServer> server = MBeanServerFactory.findMBeanServer(null);
if (server.size() > 0) {
MBeanServer mBeanServer = server.get(0);
mBeanServer.unregisterMBean(name);
} else {
MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
mBeanServer.unregisterMBean(name);
}
}
private static ObjectName composeMBeanName(String objTypeName, String objInstanceName) throws MalformedObjectNameException {
String name = "com.cloud:type=" + objTypeName;
if (objInstanceName != null && !objInstanceName.isEmpty())
name += ", name=" + objInstanceName;
return new ObjectName(name);
}
}