1 /*
   2  * Copyright (c) 2004, 2010, 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     5024531
  27  * @summary Basic Test for ManagementFactory.newPlatformMXBean().
  28  * @run main/othervm MXBeanProxyTest
  29  * @author  Mandy Chung
  30  */
  31 import javax.management.*;
  32 import java.lang.management.ClassLoadingMXBean;
  33 import java.lang.management.RuntimeMXBean;
  34 import static java.lang.management.ManagementFactory.*;
  35 public class MXBeanProxyTest {
  36     private static MBeanServer server = getPlatformMBeanServer();
  37     public static void main(String[] argv) throws Exception {
  38         boolean iae = false;
  39         try {
  40             // Get a MXBean proxy with invalid name
  41             newPlatformMXBeanProxy(server,
  42                                    "Invalid ObjectName",
  43                                    RuntimeMXBean.class);
  44         } catch (IllegalArgumentException e) {
  45             // Expected exception
  46             System.out.println("EXPECTED: " + e);
  47             iae = true;
  48         }
  49         if (!iae) {
  50             throw new RuntimeException("Invalid ObjectName " +
  51                 " was not detected");
  52         }
  53 
  54         try {
  55             // Get a MXBean proxy with non existent MXBean
  56             newPlatformMXBeanProxy(server,
  57                                    "java.lang:type=Foo",
  58                                    RuntimeMXBean.class);
  59             iae = false;
  60         } catch (IllegalArgumentException e) {
  61             // Expected exception
  62             System.out.println("EXPECTED: " + e);
  63             iae = true;
  64         }
  65         if (!iae) {
  66             throw new RuntimeException("Non existent MXBean " +
  67                 " was not detected");
  68         }
  69 
  70         try {
  71             // Mismatch MXBean interface
  72             newPlatformMXBeanProxy(server,
  73                                    RUNTIME_MXBEAN_NAME,
  74                                    ClassLoadingMXBean.class);
  75             iae = false;
  76         } catch (IllegalArgumentException e) {
  77             // Expected exception
  78             System.out.println("EXPECTED: " + e);
  79             iae = true;
  80         }
  81         if (!iae) {
  82             throw new RuntimeException("Mismatched MXBean interface " +
  83                 " was not detected");
  84         }
  85 
  86         final FooMBean foo = new Foo();
  87         final ObjectName objName = new ObjectName("java.lang:type=Foo");
  88         server.registerMBean(foo, objName);
  89         try {
  90             // non-platform MXBean
  91             newPlatformMXBeanProxy(server,
  92                                    "java.lang:type=Foo",
  93                                    FooMBean.class);
  94             iae = false;
  95         } catch (IllegalArgumentException e) {
  96             // Expected exception
  97             System.out.println("EXPECTED: " + e);
  98             iae = true;
  99         }
 100         if (!iae) {
 101             throw new RuntimeException("Non-platform MXBean " +
 102                 " was not detected");
 103         }
 104 
 105 
 106         // Successfully get MXBean
 107         RuntimeMXBean rm = newPlatformMXBeanProxy(server,
 108                                                   RUNTIME_MXBEAN_NAME,
 109                                                   RuntimeMXBean.class);
 110         System.out.println("VM uptime = " + rm.getUptime());
 111         System.out.println("Test passed.");
 112     }
 113 
 114     public interface FooMBean {
 115         public boolean isFoo();
 116     }
 117     static class Foo implements FooMBean {
 118         public boolean isFoo() {
 119             return true;
 120         }
 121     }
 122 }