85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
/*
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* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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*/
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import javax.management.MBeanServer;
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import javax.management.remote.MBeanServerForwarder;
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public class MBeanServerForwarderInvocationHandler
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implements InvocationHandler {
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public static MBeanServerForwarder newProxyInstance() {
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final InvocationHandler handler =
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new MBeanServerForwarderInvocationHandler();
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final Class[] interfaces =
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new Class[] {MBeanServerForwarder.class};
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Object proxy = Proxy.newProxyInstance(
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MBeanServerForwarder.class.getClassLoader(),
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interfaces,
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handler);
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return MBeanServerForwarder.class.cast(proxy);
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}
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public Object invoke(Object proxy, Method method, Object[] args)
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throws Throwable {
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final String methodName = method.getName();
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if (methodName.equals("getMBeanServer")) {
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return mbs;
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}
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if (methodName.equals("setMBeanServer")) {
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if (args[0] == null)
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throw new IllegalArgumentException("Null MBeanServer");
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if (mbs != null)
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throw new IllegalArgumentException("MBeanServer object " +
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"already initialized");
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mbs = (MBeanServer) args[0];
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return null;
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}
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if (methodName.equals("getAttribute") && exception != null) {
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throw exception;
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}
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return method.invoke(mbs, args);
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}
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public void setGetAttributeException(Exception exception) {
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this.exception = exception;
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}
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private Exception exception;
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private MBeanServer mbs;
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}
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