1 /*
   2  * Copyright (c) 2003, 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 4911846
  27  * @summary Test that MBeanRegistration can change caller ObjectName
  28  * @author Eamonn McManus
  29  * @modules java.management
  30  * @run clean PreRegisterTest
  31  * @run build PreRegisterTest
  32  * @run main PreRegisterTest
  33  */
  34 
  35 /* Check that an ObjectName returned by MBeanRegistration.preRegister is
  36    the one used, even if createMBean had a different non-null ObjectName.  */
  37 
  38 import java.util.Set;
  39 import javax.management.*;
  40 
  41 public class PreRegisterTest {
  42     static final ObjectName oldName, newName;
  43 
  44     static {
  45         try {
  46             oldName = new ObjectName("a:type=old");
  47             newName = new ObjectName("a:type=new");
  48         } catch (MalformedObjectNameException e) {
  49             e.printStackTrace();
  50             throw new Error();
  51         }
  52     }
  53 
  54     public static class X implements XMBean, MBeanRegistration {
  55         public ObjectName preRegister(MBeanServer mbs, ObjectName name) {
  56             return newName;
  57         }
  58         public void postRegister(Boolean done) {}
  59         public void preDeregister() {}
  60         public void postDeregister() {}
  61     }
  62 
  63     public static interface XMBean {
  64     }
  65 
  66     public static void main(String[] args) throws Exception {
  67         System.out.println("Testing preRegister ObjectName substitution");
  68         MBeanServer mbs = MBeanServerFactory.newMBeanServer();
  69         mbs.createMBean(X.class.getName(), oldName);
  70         Set names = mbs.queryNames(null, null);
  71         System.out.println("MBean names after createMBean: " + names);
  72         boolean ok = true;
  73         if (names.contains(oldName)) {
  74             ok = false;
  75             System.out.println("TEST FAILS: previous name was used");
  76         }
  77         if (!names.contains(newName)) {
  78             ok = false;
  79             System.out.println("TEST FAILS: substitute name was not used");
  80         }
  81 
  82         if (ok) {
  83             System.out.println("Test passes: ObjectName correctly " +
  84                                "substituted");
  85         } else {
  86             System.out.println("TEST FAILS: ObjectName not correctly " +
  87                                "substituted");
  88             System.exit(1);
  89         }
  90     }
  91 }