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; 018 019 020 import org.apache.camel.CamelContext; 021 import org.apache.camel.CamelContextAware; 022 import org.apache.camel.Consumer; 023 import org.apache.camel.Endpoint; 024 import org.apache.camel.component.bean.BeanProcessor; 025 import org.apache.camel.util.CamelContextHelper; 026 import org.springframework.beans.BeansException; 027 import org.springframework.beans.factory.DisposableBean; 028 import org.springframework.beans.factory.FactoryBean; 029 import org.springframework.beans.factory.InitializingBean; 030 import org.springframework.context.ApplicationContext; 031 import org.springframework.context.ApplicationContextAware; 032 import org.springframework.remoting.support.RemoteExporter; 033 034 import static org.apache.camel.util.ObjectHelper.notNull; 035 036 /** 037 * A {@link FactoryBean} to create a proxy to a service exposing a given {@link #getServiceInterface()} 038 */ 039 public class CamelServiceExporter extends RemoteExporter implements InitializingBean, DisposableBean, ApplicationContextAware, CamelContextAware { 040 private String uri; 041 private CamelContext camelContext; 042 private Consumer consumer; 043 private String serviceRef; 044 private ApplicationContext applicationContext; 045 046 public String getUri() { 047 return uri; 048 } 049 050 public void setUri(String uri) { 051 this.uri = uri; 052 } 053 054 public CamelContext getCamelContext() { 055 return camelContext; 056 } 057 058 public void setCamelContext(CamelContext camelContext) { 059 this.camelContext = camelContext; 060 } 061 062 public String getServiceRef() { 063 return serviceRef; 064 } 065 066 public void setServiceRef(String serviceRef) { 067 this.serviceRef = serviceRef; 068 } 069 070 public ApplicationContext getApplicationContext() { 071 return applicationContext; 072 } 073 074 public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { 075 this.applicationContext = applicationContext; 076 } 077 078 public void afterPropertiesSet() throws Exception { 079 // lets bind the URI to a pojo 080 notNull(uri, "uri"); 081 notNull(camelContext, "camelContext"); 082 if (serviceRef != null && getService() == null && applicationContext != null) { 083 setService(applicationContext.getBean(serviceRef)); 084 } 085 086 Endpoint endpoint = CamelContextHelper.getMandatoryEndpoint(camelContext, uri); 087 notNull(camelContext, "service"); 088 Object proxy = getProxyForService(); 089 090 consumer = endpoint.createConsumer(new BeanProcessor(proxy, camelContext)); 091 consumer.start(); 092 } 093 094 public void destroy() throws Exception { 095 if (consumer != null) { 096 consumer.stop(); 097 } 098 } 099 100 }