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    package org.apache.camel.component.bean;
018    
019    import java.lang.reflect.InvocationTargetException;
020    import java.lang.reflect.Method;
021    
022    import org.apache.camel.Exchange;
023    
024    public class BeanInvocation {
025    
026        private final Object proxy;
027        private final Method method;
028        private final Object[] args;
029    
030        public BeanInvocation(Object proxy, Method method, Object[] args) {
031            this.proxy = proxy;
032            this.method = method;
033            this.args = args;
034        }
035    
036        public Object[] getArgs() {
037            return args;
038        }
039    
040        public Method getMethod() {
041            return method;
042        }
043    
044        public Object getProxy() {
045            return proxy;
046        }
047    
048        /**
049         * This causes us to invoke the endpoint Pojo using reflection.
050         * 
051         * @param pojo
052         */
053        public void invoke(Object pojo, Exchange exchange) {
054            try {
055                Object response = getMethod().invoke(pojo, getArgs());
056                exchange.getOut().setBody(response);
057            } catch (InvocationTargetException e) {
058                exchange.setException(e.getCause());
059            } catch (RuntimeException e) {
060                throw e;
061            } catch (Throwable e) {
062                throw new RuntimeException(e);
063            }
064        }
065    
066    }