alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Java example source code file (RMIPasswdAuthTest.java)

This example Java source code file (RMIPasswdAuthTest.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

hashmap, jmxconnector, jmxpluggableauthenticator, jmxserviceurl, management, mbeans:name=simplestandard, mbeanserver, mbeanserverconnection, objectname, properties, qed, remoteexception, rmi, rmipasswdauthtest, state, string, util

The RMIPasswdAuthTest.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 5016508
 * @summary Tests the default JAAS configuration for authenticating RMI clients
 * @author Luis-Miguel Alventosa
 * @run clean RMIPasswdAuthTest
 * @run build RMIPasswdAuthTest SimpleStandard SimpleStandardMBean
 * @run main RMIPasswdAuthTest
 */

import java.io.File;
import java.rmi.RemoteException;
import java.rmi.registry.Registry;
import java.rmi.registry.LocateRegistry;
import java.util.HashMap;
import java.util.Properties;

import javax.management.Attribute;
import javax.management.MBeanServer;
import javax.management.MBeanServerConnection;
import javax.management.MBeanServerFactory;
import javax.management.Notification;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXConnectorServerFactory;
import javax.management.remote.JMXServiceURL;
import com.sun.jmx.remote.security.JMXPluggableAuthenticator;

public class RMIPasswdAuthTest {

    public static void main(String[] args) {
        try {

            // Set the default password file
            //
            final String passwordFile = System.getProperty("test.src") +
                File.separator + "jmxremote.password";
            System.out.println("Password file = " + passwordFile);

            // Create an RMI registry
            //
            System.out.println("Start RMI registry...");
            Registry reg = null;
            int port = 5800;
            while (port++ < 6000) {
                try {
                    reg = LocateRegistry.createRegistry(port);
                    System.out.println("RMI registry running on port " + port);
                    break;
                } catch (RemoteException e) {
                    // Failed to create RMI registry...
                    System.out.println("Failed to create RMI registry " +
                                       "on port " + port);
                }
            }
            if (reg == null) {
                System.exit(1);
            }

            // Instantiate the MBean server
            //
            System.out.println("Create the MBean server");
            MBeanServer mbs = MBeanServerFactory.createMBeanServer();
            // Register the ClassPathClassLoaderMBean
            //
            System.out.println("Create ClassPathClassLoader MBean");
            ObjectName cpcl =
                new ObjectName("ClassLoader:name=ClassPathClassLoader");
            mbs.createMBean("javax.management.loading.MLet", cpcl);
            // Register the SimpleStandardMBean
            //
            System.out.println("Create SimpleStandard MBean");
            mbs.createMBean("SimpleStandard",
                            new ObjectName("MBeans:name=SimpleStandard"));
            // Create Properties containing the location of the password file
            //
            Properties props = new Properties();
            props.setProperty("jmx.remote.x.password.file", passwordFile);
            // Initialize environment map to be passed to the connector server
            //
            System.out.println("Initialize environment map");
            HashMap env = new HashMap();
            env.put("jmx.remote.authenticator",
                    new JMXPluggableAuthenticator(props));
            // Create an RMI connector server
            //
            System.out.println("Create an RMI connector server");
            JMXServiceURL url =
                new JMXServiceURL("rmi", null, 0,
                                  "/jndi/rmi://:" + port + "/server" + port);
            JMXConnectorServer rcs =
                JMXConnectorServerFactory.newJMXConnectorServer(url, env, mbs);
            rcs.start();

            // Create an RMI connector client
            //
            System.out.println("Create an RMI connector client");
            HashMap cli_env = new HashMap();
            // These credentials must match those in the supplied password file
            //
            String[] credentials = new String[] { "monitorRole" , "QED" };
            cli_env.put("jmx.remote.credentials", credentials);
            JMXConnector jmxc = JMXConnectorFactory.connect(url, cli_env);
            MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
            // Get domains from MBeanServer
            //
            System.out.println("Domains:");
            String domains[] = mbsc.getDomains();
            for (int i = 0; i < domains.length; i++) {
                System.out.println("\tDomain[" + i + "] = " + domains[i]);
            }
            // Get MBean count
            //
            System.out.println("MBean count = " + mbsc.getMBeanCount());
            // Get State attribute
            //
            String oldState =
                (String) mbsc.getAttribute(
                              new ObjectName("MBeans:name=SimpleStandard"),
                              "State");
            System.out.println("Old State = \"" + oldState + "\"");
            // Set State attribute
            //
            System.out.println("Set State to \"changed state\"");
            mbsc.setAttribute(new ObjectName("MBeans:name=SimpleStandard"),
                              new Attribute("State", "changed state"));
            // Get State attribute
            //
            String newState =
                (String) mbsc.getAttribute(
                              new ObjectName("MBeans:name=SimpleStandard"),
                              "State");
            System.out.println("New State = \"" + newState + "\"");
            if (!newState.equals("changed state")) {
                System.out.println("Invalid State = \"" + newState + "\"");
                System.exit(1);
            }
            // Add notification listener on SimpleStandard MBean
            //
            System.out.println("Add notification listener...");
            mbsc.addNotificationListener(
                 new ObjectName("MBeans:name=SimpleStandard"),
                 new NotificationListener() {
                     public void handleNotification(Notification notification,
                                                    Object handback) {
                         System.out.println("Received notification: " +
                                            notification);
                     }
                 },
                 null,
                 null);
            // Unregister SimpleStandard MBean
            //
            System.out.println("Unregister SimpleStandard MBean...");
            mbsc.unregisterMBean(new ObjectName("MBeans:name=SimpleStandard"));
            // Close MBeanServer connection
            //
            jmxc.close();
            System.out.println("Bye! Bye!");
        } catch (Exception e) {
            System.out.println("Unexpected exception caught = " + e);
            e.printStackTrace();
            System.exit(1);
        }
    }
}

Other Java examples (source code examples)

Here is a short list of links related to this Java RMIPasswdAuthTest.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.