Java example source code file (ReconnectTest.java)

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Java - Java tags/keywords

exception, hashmap, jmxconnector, jmxconnectorserver, jmxserviceurl, malformedurlexception, management, mbeanserver, net, network, reconnecttest, string, the, util

The ReconnectTest.java Java example source code

/*
 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 4927217
 * @summary test to reconnect
 * @author Shanliang JIANG
 * @run clean ReconnectTest
 * @run build ReconnectTest
 * @run main ReconnectTest
 */

import java.util.*;
import java.net.MalformedURLException;
import java.io.IOException;

import javax.management.*;
import javax.management.remote.*;

public class ReconnectTest {
    private static final String[] protocols = {"rmi", "iiop", "jmxmp"};
    private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer();

    private static HashMap env = new HashMap(2);

    static {
        String timeout = "1000";
        env.put("jmx.remote.x.server.connection.timeout", timeout);
        env.put("jmx.remote.x.client.connection.check.period", timeout);
    }

    public static void main(String[] args) throws Exception {
        System.out.println(">>> test to reconnect.");


        boolean ok = true;
        for (int i = 0; i < protocols.length; i++) {
            try {
                if (!test(protocols[i])) {
                    System.out.println(">>> Test failed for " + protocols[i]);
                    ok = false;
                } else {
                    System.out.println(">>> Test successed for " + protocols[i]);
                }
            } catch (Exception e) {
                System.out.println(">>> Test failed for " + protocols[i]);
                e.printStackTrace(System.out);
                ok = false;
            }
        }

        if (ok) {
            System.out.println(">>> Test passed");
        } else {
            System.out.println(">>> TEST FAILED");
            System.exit(1);
        }
    }

    private static boolean test(String proto)
            throws Exception {
        System.out.println("\n\n>>> Test for protocol " + proto);

        JMXServiceURL u = null;
        JMXConnectorServer server = null;

        try {
            u = new JMXServiceURL(proto, null, 0);
            server = JMXConnectorServerFactory.newJMXConnectorServer(u, env, mbs);
        } catch (MalformedURLException e) {
            System.out.println("Skipping unsupported URL " + proto);
            return true;
        }

        server.start();
        u = server.getAddress();

        JMXConnector conn = JMXConnectorFactory.newJMXConnector(u, env);
        conn.connect();
        System.out.print("The default domain is ");
        System.out.println(conn.getMBeanServerConnection().getDefaultDomain());

        for (int i=0; i<3; i++) {
            System.out.println("************** Sleeping ...... "+i);
            Thread.sleep(2000);
            System.out.println("Sleep done.");

            System.out.println("The default domain is "
                  +conn.getMBeanServerConnection().getDefaultDomain());
        }

        System.out.println("Close the client ...");

        conn.close();

        System.out.println("Close the server ...");

        server.stop();

        System.out.println("Bye bye.");

        return true;
    }
}