1 /*
2 * Copyright (c) 2006, 2011, 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 6403794
27 * @summary Test that all the platform MXBeans are wrapped in StandardMBean so
28 * an MBeanServer which does not have support for MXBeans can be used.
29 * @author Luis-Miguel Alventosa
30 * @run clean MBeanServerMXBeanUnsupportedTest
31 * @run build MBeanServerMXBeanUnsupportedTest
32 * @run main/othervm MBeanServerMXBeanUnsupportedTest
33 */
34
35 import java.lang.management.ManagementFactory;
36 import java.lang.reflect.InvocationHandler;
37 import java.lang.reflect.Method;
38 import java.lang.reflect.Proxy;
39 import javax.management.MBeanServer;
40 import javax.management.MBeanServerBuilder;
41 import javax.management.MBeanServerDelegate;
42 import javax.management.ObjectName;
43 import javax.management.StandardMBean;
44 import javax.management.remote.MBeanServerForwarder;
45
46 public class MBeanServerMXBeanUnsupportedTest {
47
48 /**
49 * An MBeanServerBuilder that returns an MBeanServer which throws a
50 * RuntimeException if MXBeans are not converted into StandardMBean.
51 */
52 public static class MBeanServerBuilderImpl extends MBeanServerBuilder {
53
54 private final MBeanServerBuilder inner;
55
56 public MBeanServerBuilderImpl() {
57 inner = new MBeanServerBuilder();
58 }
59
60 public MBeanServer newMBeanServer(
61 String defaultDomain,
62 MBeanServer outer,
63 MBeanServerDelegate delegate) {
64 final MBeanServerForwarder mbsf =
65 MBeanServerForwarderInvocationHandler.newProxyInstance();
66
67 final MBeanServer innerMBeanServer =
68 inner.newMBeanServer(defaultDomain,
69 (outer == null ? mbsf : outer),
70 delegate);
71
72 mbsf.setMBeanServer(innerMBeanServer);
73 return mbsf;
74 }
75 }
76
77 /**
78 * An MBeanServerForwarderInvocationHandler that throws a
79 * RuntimeException if we try to register a non StandardMBean.
80 */
81 public static class MBeanServerForwarderInvocationHandler
82 implements InvocationHandler {
83
84 public static MBeanServerForwarder newProxyInstance() {
85
86 final InvocationHandler handler =
87 new MBeanServerForwarderInvocationHandler();
88
89 final Class[] interfaces =
90 new Class[] {MBeanServerForwarder.class};
91
92 Object proxy = Proxy.newProxyInstance(
93 MBeanServerForwarder.class.getClassLoader(),
94 interfaces,
95 handler);
96
97 return MBeanServerForwarder.class.cast(proxy);
98 }
99
100 public Object invoke(Object proxy, Method method, Object[] args)
101 throws Throwable {
102
103 final String methodName = method.getName();
104
105 if (methodName.equals("getMBeanServer")) {
106 return mbs;
107 }
108
109 if (methodName.equals("setMBeanServer")) {
110 if (args[0] == null)
111 throw new IllegalArgumentException("Null MBeanServer");
112 if (mbs != null)
113 throw new IllegalArgumentException("MBeanServer object " +
114 "already initialized");
115 mbs = (MBeanServer) args[0];
116 return null;
117 }
118
119 if (methodName.equals("registerMBean")) {
120 Object mbean = args[0];
121 ObjectName name = (ObjectName) args[1];
122 String domain = name.getDomain();
123 System.out.println("registerMBean: class=" +
124 mbean.getClass().getName() + "\tname=" + name);
125 Object result = method.invoke(mbs, args);
126 if (domain.equals("java.lang") ||
127 domain.equals("java.util.logging") ||
128 domain.equals("com.sun.management")) {
129 String mxbean = (String)
130 mbs.getMBeanInfo(name).getDescriptor().getFieldValue("mxbean");
131 if (mxbean == null || !mxbean.equals("true")) {
132 throw new RuntimeException(
133 "Platform MBeans must be MXBeans!");
134 }
135 if (!(mbean instanceof StandardMBean)) {
136 throw new RuntimeException(
137 "MXBeans must be wrapped in StandardMBean!");
138 }
139 }
140 return result;
141 }
142
143 return method.invoke(mbs, args);
144 }
145
146 private MBeanServer mbs;
147 }
148
149 /*
150 * Standalone entry point.
151 *
152 * Run the test and report to stdout.
153 */
154 public static void main(String args[]) throws Exception {
155 System.setProperty("javax.management.builder.initial",
156 MBeanServerBuilderImpl.class.getName());
157 try {
158 ManagementFactory.getPlatformMBeanServer();
159 } catch (RuntimeException e) {
160 System.out.println(">>> Unhappy Bye, Bye!");
161 throw e;
162 }
163 System.out.println(">>> Happy Bye, Bye!");
164 }
165 }