org.atomserver.utils.jmx.MBeanServerLocator.java Source code

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Here is the source code for org.atomserver.utils.jmx.MBeanServerLocator.java

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/* Copyright (c) 2007 HomeAway, Inc.
 *  All rights reserved.  http://www.atomserver.org
 *
 * 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.
 */

package org.atomserver.utils.jmx;

import javax.management.MBeanServer;

import java.lang.management.ManagementFactory;

import org.springframework.jndi.JndiObjectLocator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**    
<pre>            
<bean id="resinMBeanServer"
      class="org.springframework.jndi.JndiObjectFactoryBean">
    <property name="jndiName" value="java:comp/env/jmx/MBeanServer"/>
</bean>
</pre>
    
 TODO: make this class less resin-aware
*/

public class MBeanServerLocator extends JndiObjectLocator {

    static private Log log = LogFactory.getLog(MBeanServerLocator.class);

    static private final String RESIN_JNDI_NAME = "java:comp/env/jmx/MBeanServer";

    private String containerType = null;

    public MBeanServerLocator() {
        setJndiName(RESIN_JNDI_NAME);
    }

    public void setContainerType(String containerType) {
        this.containerType = containerType;
    }

    public MBeanServer locateMBeanServer() {
        MBeanServer mbeanServer = null;
        if (containerType != null && containerType.equals("Resin")) {
            try {
                mbeanServer = (MBeanServer) lookup();
            } catch (Exception ee) {
                log.error("Exception (" + ee.getMessage() + ") while attempting to lookup"
                        + " the Resin JNDI MBeanServer (" + RESIN_JNDI_NAME + ")", ee);
            }
        }
        // Just fallback to the Java 5 Platform MBeanServer, which is always present
        if (mbeanServer == null) {
            mbeanServer = ManagementFactory.getPlatformMBeanServer();
        }
        return mbeanServer;
    }

}