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