1 /*
   2  * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6238731
  27  * @summary Check that the expected notification is received by the JMX
  28  *          client even when the domain in the ObjectName is not specified
  29  * @author Shanliang JIANG
  30  *
  31  * @run clean EmptyDomainNotificationTest
  32  * @run build EmptyDomainNotificationTest
  33  * @run main EmptyDomainNotificationTest
  34  */
  35 
  36 import java.util.ArrayList;
  37 import java.util.List;
  38 import javax.management.MBeanServer;
  39 import javax.management.MBeanServerConnection;
  40 import javax.management.MBeanServerFactory;
  41 import javax.management.Notification;
  42 import javax.management.NotificationBroadcasterSupport;
  43 import javax.management.NotificationListener;
  44 import javax.management.ObjectName;
  45 import javax.management.remote.JMXConnector;
  46 import javax.management.remote.JMXConnectorFactory;
  47 import javax.management.remote.JMXConnectorServer;
  48 import javax.management.remote.JMXConnectorServerFactory;
  49 import javax.management.remote.JMXServiceURL;
  50 
  51 public class EmptyDomainNotificationTest {
  52 
  53     public static interface SimpleMBean {
  54         public void emitNotification();
  55     }
  56 
  57     public static class Simple
  58         extends NotificationBroadcasterSupport
  59         implements SimpleMBean {
  60         public void emitNotification() {
  61             sendNotification(new Notification("simple", this, 0));
  62         }
  63     }
  64 
  65     public static class Listener implements NotificationListener {
  66         public void handleNotification(Notification n, Object h) {
  67         System.out.println(
  68           "EmptyDomainNotificationTest-Listener-handleNotification: receives:" + n);
  69 
  70             if (n.getType().equals("simple")) {
  71                 synchronized(this) {
  72                     received++;
  73 
  74                     this.notifyAll();
  75                 }
  76             }
  77         }
  78 
  79         public int received;
  80     }
  81 
  82     public static void main(String[] args) throws Exception {
  83 
  84         final MBeanServer mbs = MBeanServerFactory.createMBeanServer();
  85 
  86         final JMXServiceURL url = new JMXServiceURL("service:jmx:rmi://");
  87 
  88         JMXConnectorServer server = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
  89         server.start();
  90 
  91         JMXConnector client = JMXConnectorFactory.connect(server.getAddress(), null);
  92 
  93         final MBeanServerConnection mbsc = client.getMBeanServerConnection();
  94 
  95         final ObjectName mbean = ObjectName.getInstance(":type=Simple");
  96         mbsc.createMBean(Simple.class.getName(), mbean);
  97 
  98         System.out.println("EmptyDomainNotificationTest-main: add a listener ...");
  99         final Listener li = new Listener();
 100         mbsc.addNotificationListener(mbean, li, null, null);
 101 
 102         System.out.println("EmptyDomainNotificationTest-main: ask to send a notif ...");
 103         mbsc.invoke(mbean, "emitNotification", null, null);
 104 
 105         System.out.println("EmptyDomainNotificationTest-main: waiting notif...");
 106         synchronized(li) {
 107             while (li.received < 1) {
 108                 li.wait();
 109             }
 110         }
 111 
 112         if (li.received != 1) {
 113             throw new RuntimeException("Wait one notif but got: "+li.received);
 114         }
 115 
 116         System.out.println("EmptyDomainNotificationTest-main: Got the expected notif!");
 117 
 118         System.out.println("EmptyDomainNotificationTest-main: remove the listener.");
 119         mbsc.removeNotificationListener(mbean, li);
 120 
 121         // clean
 122         client.close();
 123         server.stop();
 124 
 125         System.out.println("EmptyDomainNotificationTest-main: Bye.");
 126     }
 127 }