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.spring.remoting; 018 019 import org.aopalliance.intercept.MethodInterceptor; 020 import org.aopalliance.intercept.MethodInvocation; 021 022 import org.apache.camel.CamelContext; 023 import org.apache.camel.CamelContextAware; 024 import org.apache.camel.Endpoint; 025 import org.apache.camel.Producer; 026 import org.apache.camel.component.bean.CamelInvocationHandler; 027 import org.apache.camel.util.CamelContextHelper; 028 029 import org.springframework.beans.factory.DisposableBean; 030 import org.springframework.beans.factory.InitializingBean; 031 032 import static org.apache.camel.util.ObjectHelper.notNull; 033 034 /** 035 * A Spring interceptor which sends a message exchange to an endpoint before the method is invoked 036 * 037 * @version $Revision: 35332 $ 038 */ 039 public class SendBeforeInterceptor implements MethodInterceptor, CamelContextAware, InitializingBean, DisposableBean { 040 private String uri; 041 private CamelContext camelContext; 042 private CamelInvocationHandler invocationHandler; 043 private Producer producer; 044 045 public Object invoke(MethodInvocation invocation) throws Throwable { 046 invocationHandler.invoke(invocation.getThis(), invocation.getMethod(), invocation.getArguments()); 047 return invocation.proceed(); 048 } 049 050 public void afterPropertiesSet() throws Exception { 051 notNull(uri, "uri"); 052 notNull(camelContext, "camelContext"); 053 054 Endpoint endpoint = CamelContextHelper.getMandatoryEndpoint(camelContext, uri); 055 producer = endpoint.createProducer(); 056 producer.start(); 057 invocationHandler = new CamelInvocationHandler(endpoint, producer); 058 } 059 060 public void destroy() throws Exception { 061 if (producer != null) { 062 producer.stop(); 063 } 064 } 065 066 public void setCamelContext(CamelContext camelContext) { 067 this.camelContext = camelContext; 068 } 069 070 // Properties 071 //----------------------------------------------------------------------- 072 public String getUri() { 073 return uri; 074 } 075 076 public void setUri(String uri) { 077 this.uri = uri; 078 } 079 }