1 /* 2 * Copyright (c) 2005, 2015, 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 * @modules java.management 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 final long stopTime = System.currentTimeMillis() + 2000; 107 synchronized(li) { 108 long toWait = stopTime - System.currentTimeMillis(); 109 110 while (li.received < 1 && toWait > 0) { 111 li.wait(toWait); 112 113 toWait = stopTime - System.currentTimeMillis(); 114 } 115 } 116 117 if (li.received < 1) { 118 throw new RuntimeException("No notif received!"); 119 } else if (li.received > 1) { 120 throw new RuntimeException("Wait one notif but got: "+li.received); 121 } 122 123 System.out.println("EmptyDomainNotificationTest-main: Got the expected notif!"); 124 125 System.out.println("EmptyDomainNotificationTest-main: remove the listener."); 126 mbsc.removeNotificationListener(mbean, li); 127 128 // clean 129 client.close(); 130 server.stop(); 131 132 System.out.println("EmptyDomainNotificationTest-main: Bye."); 133 } 134 }