J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any 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 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 | } |