ManagementUtil.java

package com.cloudhopper.commons.util;

/*
 * #%L
 * ch-commons-util
 * %%
 * Copyright (C) 2012 Cloudhopper by Twitter
 * %%
 * Licensed 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.
 * #L%
 */

import javax.management.*;

/**
 *
 * @author joelauer (twitter: @jjlauer or <a href="http://twitter.com/jjlauer" target=window>http://twitter.com/jjlauer</a>)
 */
public class ManagementUtil {

    /**
     * Get the MBeanServerId of Agent ID for the provided MBeanServer.
     *
     * @param aMBeanServer MBeanServer whose Server ID/Agent ID is desired.
     * @return MBeanServerId/Agent ID of provided MBeanServer.
     */
    public static String getMBeanServerId(final MBeanServer aMBeanServer) {
        String serverId = null;
        final String SERVER_DELEGATE = "JMImplementation:type=MBeanServerDelegate";
        final String MBEAN_SERVER_ID_KEY = "MBeanServerId";
        try {
            ObjectName delegateObjName = new ObjectName(SERVER_DELEGATE);
            serverId = (String) aMBeanServer.getAttribute(delegateObjName,
                    MBEAN_SERVER_ID_KEY);
        } catch (MalformedObjectNameException malformedObjectNameException) {
            //System.err.println("Problems constructing MBean ObjectName: " + malformedObjectNameException.getMessage());
        } catch (AttributeNotFoundException noMatchingAttrException) {
            //System.err.println("Unable to find attribute " + MBEAN_SERVER_ID_KEY + " in MBean " + SERVER_DELEGATE + ": " + noMatchingAttrException);
        } catch (MBeanException mBeanException) {
            //System.err.println("Exception thrown by MBean's (" + SERVER_DELEGATE + "'s " + MBEAN_SERVER_ID_KEY + ") getter: " + mBeanException.getMessage());
        } catch (ReflectionException reflectionException) {
            //System.err.println("Exception thrown by MBean's (" + SERVER_DELEGATE + "'s " + MBEAN_SERVER_ID_KEY + ") setter: " + reflectionException.getMessage());
        } catch (InstanceNotFoundException noMBeanInstance) {
            //System.err.println("No instance of MBean " + SERVER_DELEGATE + " found in MBeanServer: " + noMBeanInstance.getMessage());
        }
        return serverId;
    }

}