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.InvocationHandler; 020 import java.lang.reflect.InvocationTargetException; 021 import java.lang.reflect.Method; 022 023 import org.apache.camel.Endpoint; 024 import org.apache.camel.Producer; 025 026 /** 027 * An {@link java.lang.reflect.InvocationHandler} which invokes a 028 * message exchange on a camel {@link Endpoint} 029 * 030 * @version $Revision: $ 031 */ 032 public class CamelInvocationHandler implements InvocationHandler { 033 private final Endpoint endpoint; 034 private final Producer producer; 035 036 public CamelInvocationHandler(Endpoint endpoint, Producer producer) { 037 this.endpoint = endpoint; 038 this.producer = producer; 039 } 040 041 public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { 042 BeanInvocation invocation = new BeanInvocation(proxy, method, args); 043 BeanExchange exchange = new BeanExchange(endpoint.getContext()); 044 exchange.setInvocation(invocation); 045 046 producer.process(exchange); 047 Throwable fault = exchange.getException(); 048 if (fault != null) { 049 throw new InvocationTargetException(fault); 050 } 051 return exchange.getOut().getBody(); 052 } 053 }