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 * 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 38import java.util.Set; 39import javax.management.*; 40 41public 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} 92