Java example source code file (GetMBeansFromURLTest.java)

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

Learn more about this Java project at its project page.

Java - Java tags/keywords

exception, getmbeansfromurltest, management, mbeanserver, mlet, objectname, servicenotfoundexception, test\:type\=mlet

The GetMBeansFromURLTest.java Java example source code

/*
 * Copyright (c) 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 5018593
 * @summary Test that calling getMBeansFromURL(url) with a bogus URL on a
 *          given MLet instance throws a ServiceNotFoundException exception
 *          with a non null cause.
 * @author Luis-Miguel Alventosa
 * @run clean GetMBeansFromURLTest
 * @run build GetMBeansFromURLTest
 * @run main GetMBeansFromURLTest
 */

import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;
import javax.management.ServiceNotFoundException;
import javax.management.loading.MLet;

public class GetMBeansFromURLTest {

    public static void main(String[] args) throws Exception {

        boolean error = false;

        // Instantiate the MBean server
        //
        System.out.println("Create the MBean server");
        MBeanServer mbs = MBeanServerFactory.createMBeanServer();

        // Instantiate an MLet
        //
        System.out.println("Create the MLet");
        MLet mlet = new MLet();

        // Register the MLet MBean with the MBeanServer
        //
        System.out.println("Register the MLet MBean");
        ObjectName mletObjectName = new ObjectName("Test:type=MLet");
        mbs.registerMBean(mlet, mletObjectName);

        // Call getMBeansFromURL
        //
        System.out.println("Call mlet.getMBeansFromURL(<url>)");
        try {
            mlet.getMBeansFromURL("bogus://whatever");
            System.out.println("TEST FAILED: Expected " +
                               ServiceNotFoundException.class +
                               " exception not thrown.");
            error = true;
        } catch (ServiceNotFoundException e) {
            if (e.getCause() == null) {
                System.out.println("TEST FAILED: Got null cause in " +
                                   ServiceNotFoundException.class +
                                   " exception.");
                error = true;
            } else {
                System.out.println("TEST PASSED: Got non-null cause in " +
                                   ServiceNotFoundException.class +
                                   " exception.");
                error = false;
            }
            e.printStackTrace(System.out);
        }

        // Unregister the MLet MBean
        //
        System.out.println("Unregister the MLet MBean");
        mbs.unregisterMBean(mletObjectName);

        // Release MBean server
        //
        System.out.println("Release the MBean server");
        MBeanServerFactory.releaseMBeanServer(mbs);

        // End Test
        //
        System.out.println("Bye! Bye!");
        if (error) System.exit(1);
    }
}