Glassfish example source code file (JMXMPConnectorStarter.java)

This example Glassfish source code file (JMXMPConnectorStarter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

exception, exception, io, jmxconnectorserver, jmxconnectorserver, jmxmp, jmxmpconnectorstarter, jmxserviceurl, management, map, net, network, object, runtimeexception, string, string, try_count, try_count, util

The Glassfish JMXMPConnectorStarter.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 */

package org.glassfish.admin.mbeanserver;

import com.sun.grizzly.config.dom.Ssl;
import javax.management.MBeanServer;
import javax.management.InstanceAlreadyExistsException;
import javax.management.MBeanRegistrationException;
import javax.management.NotCompliantMBeanException;

import javax.management.remote.*;
import javax.management.remote.jmxmp.JMXMPConnectorServer;

import java.io.IOException;
import java.net.MalformedURLException;
import java.util.HashMap;
import java.util.Map;

import org.jvnet.hk2.component.*;

/**
Start and stop JMX connectors.
 */
final class JMXMPConnectorStarter extends ConnectorStarter
{
    JMXMPConnectorStarter(
        final MBeanServer mbeanServer,
        final String address,
        final int port,
        final String authRealmName,
        final boolean securityEnabled,
        final Habitat habitat,
        final BootAMXListener bootListener,
        final Ssl sslConfig)
    {
        super(mbeanServer, address, port, authRealmName, securityEnabled, habitat, bootListener, sslConfig);
    }


    public synchronized JMXConnectorServer start()
    {
        if (mConnectorServer != null)
        {
            return mConnectorServer;
        }

        final boolean tryOtherPorts = false;
        final int TRY_COUNT = tryOtherPorts ? 100 : 1;

        int port = mPort;
        int tryCount = 0;
        while (tryCount < TRY_COUNT)
        {
            try
            {
                mConnectorServer = startJMXMPConnectorServer(port);
                break;
            }
            catch (final java.net.BindException e)
            {
            }
            catch (final Exception e)
            {
                throw new RuntimeException(e);
            }

            if (port < 1000)
            {
                port += 1000;   // in case it's a permissions thing
            }
            else
            {
                port = port + 1;
            }
        }
        return mConnectorServer;
    }

    public static final String JMXMP = "jmxmp";

    private JMXConnectorServer startJMXMPConnectorServer(final int port)
        throws MalformedURLException, IOException, InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException
    {
        final Map<String, Object> env = new HashMap();
        env.put("jmx.remote.protocol.provider.pkgs", "com.sun.jmx.remote.protocol");
        env.put("jmx.remote.protocol.provider.class.loader", this.getClass().getClassLoader());
        JMXAuthenticator authenticator = getAccessController();
        if (authenticator != null)
        {
            env.put("jmx.remote.authenticator", authenticator);
        }

        final JMXServiceURL serviceURL = new JMXServiceURL("service:jmx:" + JMXMP + "://" +hostname() + ":" + port);
        JMXConnectorServer jmxmp = null;

        boolean startedOK = false;
        try
        {
            jmxmp = new JMXMPConnectorServer(serviceURL, env, mMBeanServer);
            if ( mBootListener != null )
            {
                jmxmp.addNotificationListener(mBootListener, null, serviceURL.toString() );
            }

            jmxmp.start();
            startedOK = true;
        }
        catch (final Exception e)
        {
            e.printStackTrace();
        }
        finally
        {
            // we do it this way so that the original exeption will be thrown out
            if (!startedOK)
            {
                try
                {
                    if (jmxmp != null)
                    {
                        jmxmp.stop();
                    }
                }
                catch (Exception e)
                {
                    ignore(e);
                }
            }
        }

        mJMXServiceURL  = serviceURL;
        mConnectorServer = jmxmp;

        // verify
        //final JMXConnector jmxc = JMXConnectorFactory.connect(serviceURL, null);
        //jmxc.getMBeanServerConnection().getMBeanCount();
        //jmxc.close();

        return mConnectorServer;
    }
}