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.Endpoint; 022 import org.apache.camel.Producer; 023 import org.apache.camel.component.bean.ProxyHelper; 024 import org.springframework.beans.factory.DisposableBean; 025 import org.springframework.beans.factory.FactoryBean; 026 import org.springframework.remoting.support.UrlBasedRemoteAccessor; 027 028 /** 029 * A {@link FactoryBean} to create a Proxy to a a Camel Pojo Endpoint. 030 * 031 * @author chirino 032 */ 033 public class CamelProxyFactoryBean extends UrlBasedRemoteAccessor implements FactoryBean, CamelContextAware, DisposableBean { 034 private CamelContext camelContext; 035 private Endpoint endpoint; 036 private Object serviceProxy; 037 private Producer producer; 038 039 @Override 040 public void afterPropertiesSet() { 041 super.afterPropertiesSet(); 042 try { 043 if (endpoint == null) { 044 if (getServiceUrl() == null || camelContext == null) { 045 throw new IllegalArgumentException("If endpoint is not specified, the serviceUrl and camelContext must be specified."); 046 } 047 048 endpoint = camelContext.getEndpoint(getServiceUrl()); 049 if (endpoint == null) { 050 throw new IllegalArgumentException("Could not resolve endpoint: " + getServiceUrl()); 051 } 052 } 053 054 this.producer = endpoint.createProducer(); 055 this.producer.start(); 056 this.serviceProxy = ProxyHelper.createProxy(endpoint, producer, getServiceInterface()); 057 } catch (Exception e) { 058 throw new IllegalArgumentException(e); 059 } 060 } 061 062 public void destroy() throws Exception { 063 this.producer.stop(); 064 this.producer = null; 065 this.serviceProxy = null; 066 } 067 068 069 public Class getServiceInterface() { 070 return super.getServiceInterface(); 071 } 072 073 public String getServiceUrl() { 074 return super.getServiceUrl(); 075 } 076 077 public Object getObject() throws Exception { 078 return serviceProxy; 079 } 080 081 public Class getObjectType() { 082 return getServiceInterface(); 083 } 084 085 public boolean isSingleton() { 086 return true; 087 } 088 089 public Endpoint getEndpoint() { 090 return endpoint; 091 } 092 093 public void setEndpoint(Endpoint endpoint) { 094 this.endpoint = endpoint; 095 } 096 097 public CamelContext getCamelContext() { 098 return camelContext; 099 } 100 101 public void setCamelContext(CamelContext camelContext) { 102 this.camelContext = camelContext; 103 } 104 105 }