| /* |
| * Copyright (c) 2005, 2015, 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 6175517 |
| * @summary Check that Standard MBeans can change their MBeanNotificationInfo[] |
| * and MXBeans cannot |
| * @author Eamonn McManus |
| * |
| * @run clean ChangingNotifsTest |
| * @run build ChangingNotifsTest |
| * @run main ChangingNotifsTest |
| */ |
| |
| import javax.management.*; |
| import java.util.Arrays; |
| |
| public class ChangingNotifsTest { |
| public static interface EmptyMBean {} |
| |
| public static interface EmptyMXBean {} |
| |
| public static class Base extends NotificationBroadcasterSupport { |
| @Override |
| public MBeanNotificationInfo[] getNotificationInfo() { |
| MBeanNotificationInfo inf = |
| new MBeanNotificationInfo(new String[0], |
| Integer.toString(++called), |
| "description"); |
| return new MBeanNotificationInfo[] {inf}; |
| } |
| |
| private static int called; |
| } |
| |
| public static class Empty extends Base implements EmptyMBean {} |
| |
| public static class EmptyMX extends Base implements EmptyMXBean {} |
| |
| public static void main(String[] args) throws Exception { |
| MBeanServer mbs = MBeanServerFactory.newMBeanServer(); |
| ObjectName name = new ObjectName("a:b=c"); |
| for (boolean mx : new boolean[] {false, true}) |
| test(mbs, name, mx); |
| if (failure != null) |
| throw new Exception(failure); |
| System.out.println("TEST PASSED"); |
| } |
| |
| private static void test(MBeanServer mbs, ObjectName name, boolean mx) |
| throws Exception { |
| Object mbean = mx ? new EmptyMX() : new Empty(); |
| String what = mx ? "MXBean" : "Standard MBean"; |
| mbs.registerMBean(mbean, name); |
| try { |
| MBeanInfo mbi = mbs.getMBeanInfo(name); |
| Descriptor d = mbi.getDescriptor(); |
| String immut = (String) d.getFieldValue("immutableInfo"); |
| boolean immutable = (immut != null && immut.equals("true")); |
| if (immutable != mx) { |
| fail(what + " has immutableInfo=" + immut + ", should be " + |
| mx); |
| return; |
| } |
| MBeanNotificationInfo[] n1 = mbi.getNotifications().clone(); |
| mbi = mbs.getMBeanInfo(name); |
| boolean unchanged = Arrays.deepEquals(mbi.getNotifications(), n1); |
| if (unchanged != mx) { |
| fail(what + " notif info " + |
| (unchanged ? "did not change" : "changed")); |
| return; |
| } |
| System.out.println("OK: " + what); |
| } finally { |
| mbs.unregisterMBean(name); |
| } |
| } |
| |
| private static void fail(String why) { |
| failure = "FAILED: " + why; |
| System.out.println(failure); |
| } |
| |
| private static String failure; |
| } |