1 /*
   2  * Copyright (c) 2004, 2016, 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  * @modules jdk.management
  29  * @run main/othervm MXBeanProxyTest
  30  * @author  Mandy Chung
  31  */
  32 import javax.management.*;
  33 import java.lang.management.ClassLoadingMXBean;
  34 import java.lang.management.RuntimeMXBean;
  35 import static java.lang.management.ManagementFactory.*;
  36 public class MXBeanProxyTest {
  37     private static MBeanServer server = getPlatformMBeanServer();
  38     public static void main(String[] argv) throws Exception {
  39         boolean iae = false;
  40         try {
  41             // Get a MXBean proxy with invalid name
  42             newPlatformMXBeanProxy(server,
  43                                    "Invalid ObjectName",
  44                                    RuntimeMXBean.class);
  45         } catch (IllegalArgumentException e) {
  46             // Expected exception
  47             System.out.println("EXPECTED: " + e);
  48             iae = true;
  49         }
  50         if (!iae) {
  51             throw new RuntimeException("Invalid ObjectName " +
  52                 " was not detected");
  53         }
  54 
  55         try {
  56             // Get a MXBean proxy with non existent MXBean
  57             newPlatformMXBeanProxy(server,
  58                                    "java.lang:type=Foo",
  59                                    RuntimeMXBean.class);
  60             iae = false;
  61         } catch (IllegalArgumentException e) {
  62             // Expected exception
  63             System.out.println("EXPECTED: " + e);
  64             iae = true;
  65         }
  66         if (!iae) {
  67             throw new RuntimeException("Non existent MXBean " +
  68                 " was not detected");
  69         }
  70 
  71         try {
  72             // Mismatch MXBean interface
  73             newPlatformMXBeanProxy(server,
  74                                    RUNTIME_MXBEAN_NAME,
  75                                    ClassLoadingMXBean.class);
  76             iae = false;
  77         } catch (IllegalArgumentException e) {
  78             // Expected exception
  79             System.out.println("EXPECTED: " + e);
  80             iae = true;
  81         }
  82         if (!iae) {
  83             throw new RuntimeException("Mismatched MXBean interface " +
  84                 " was not detected");
  85         }
  86 
  87         final FooMBean foo = new Foo();
  88         final ObjectName objName = new ObjectName("java.lang:type=Foo");
  89         server.registerMBean(foo, objName);
  90         try {
  91             // non-platform MXBean
  92             newPlatformMXBeanProxy(server,
  93                                    "java.lang:type=Foo",
  94                                    FooMBean.class);
  95             iae = false;
  96         } catch (IllegalArgumentException e) {
  97             // Expected exception
  98             System.out.println("EXPECTED: " + e);
  99             iae = true;
 100         }
 101         if (!iae) {
 102             throw new RuntimeException("Non-platform MXBean " +
 103                 " was not detected");
 104         }
 105 
 106 
 107         // Successfully get MXBean
 108         RuntimeMXBean rm = newPlatformMXBeanProxy(server,
 109                                                   RUNTIME_MXBEAN_NAME,
 110                                                   RuntimeMXBean.class);
 111         System.out.println("VM uptime = " + rm.getUptime());
 112         System.out.println("Test passed.");
 113     }
 114 
 115     public interface FooMBean {
 116         public boolean isFoo();
 117     }
 118     static class Foo implements FooMBean {
 119         public boolean isFoo() {
 120             return true;
 121         }
 122     }
 123 }