001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.security.remoting.jmx;
019    
020    import java.lang.reflect.InvocationTargetException;
021    import java.lang.reflect.Method;
022    
023    import org.apache.geronimo.interceptor.Interceptor;
024    import org.apache.geronimo.interceptor.Invocation;
025    import org.apache.geronimo.interceptor.InvocationResult;
026    import org.apache.geronimo.interceptor.SimpleInvocationResult;
027    
028    /**
029     * @version $Rev: 487175 $ $Date: 2006-12-14 03:10:31 -0800 (Thu, 14 Dec 2006) $
030     */
031    public class ReflexiveInterceptor implements Interceptor {
032    
033        Object target;
034    
035        public ReflexiveInterceptor(Object target) {
036            this.target = target;
037        }
038    
039        public InvocationResult invoke(Invocation invocation) throws Throwable {
040            try {
041                SerializableInvocation proxyInvocation = (SerializableInvocation) invocation;
042                Method m = proxyInvocation.getMethod();
043                Object args[] = proxyInvocation.getArgs();
044                Object rc = m.invoke(target, args);
045                return new SimpleInvocationResult(true, rc);
046    
047            } catch (InvocationTargetException e) {
048                Throwable t = e.getCause();
049                if (t instanceof Exception && t instanceof RuntimeException == false) {
050                    return new SimpleInvocationResult(false, (Exception)t);
051                } else {
052                    throw t;
053                }
054            }
055        }
056    
057    }