| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.spring.remoting; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.CamelContextAware; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.FailedToCreateProducerException; |
| import org.apache.camel.Producer; |
| import org.apache.camel.component.bean.ProxyHelper; |
| import org.apache.camel.spring.util.CamelContextResolverHelper; |
| import org.apache.camel.util.ServiceHelper; |
| import org.springframework.beans.BeansException; |
| import org.springframework.beans.factory.DisposableBean; |
| import org.springframework.beans.factory.FactoryBean; |
| import org.springframework.context.ApplicationContext; |
| import org.springframework.context.ApplicationContextAware; |
| import org.springframework.remoting.support.UrlBasedRemoteAccessor; |
| |
| /** |
| * A {@link FactoryBean} to create a Proxy to a a Camel Pojo Endpoint. |
| */ |
| public class CamelProxyFactoryBean extends UrlBasedRemoteAccessor implements FactoryBean, CamelContextAware, DisposableBean, ApplicationContextAware { |
| private String serviceRef; |
| private CamelContext camelContext; |
| private String camelContextId; |
| private ApplicationContext applicationContext; |
| private Endpoint endpoint; |
| private Object serviceProxy; |
| private Producer producer; |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public void afterPropertiesSet() { |
| if (endpoint == null) { |
| if (camelContext == null && camelContextId != null) { |
| camelContext = CamelContextResolverHelper.getCamelContextWithId(applicationContext, camelContextId); |
| } |
| |
| if (camelContext == null) { |
| throw new IllegalArgumentException("camelContext or camelContextId must be specified"); |
| } |
| |
| if (getServiceUrl() == null && getServiceRef() == null) { |
| throw new IllegalArgumentException("serviceUrl or serviceRef must be specified."); |
| } |
| |
| // lookup endpoint or we have the url for it |
| if (getServiceRef() != null) { |
| endpoint = camelContext.getRegistry().lookup(getServiceRef(), Endpoint.class); |
| } else { |
| endpoint = camelContext.getEndpoint(getServiceUrl()); |
| } |
| |
| if (endpoint == null) { |
| throw new IllegalArgumentException("Could not resolve endpoint: " + getServiceUrl()); |
| } |
| } |
| |
| try { |
| producer = endpoint.createProducer(); |
| ServiceHelper.startService(producer); |
| serviceProxy = ProxyHelper.createProxy(endpoint, producer, getServiceInterface()); |
| } catch (Exception e) { |
| throw new FailedToCreateProducerException(endpoint, e); |
| } |
| } |
| |
| public void destroy() throws Exception { |
| ServiceHelper.stopService(producer); |
| } |
| |
| public Class getServiceInterface() { |
| return super.getServiceInterface(); |
| } |
| |
| public String getServiceUrl() { |
| return super.getServiceUrl(); |
| } |
| |
| public Object getObject() throws Exception { |
| return serviceProxy; |
| } |
| |
| public Class getObjectType() { |
| return getServiceInterface(); |
| } |
| |
| public boolean isSingleton() { |
| return true; |
| } |
| |
| public String getServiceRef() { |
| return serviceRef; |
| } |
| |
| public void setServiceRef(String serviceRef) { |
| this.serviceRef = serviceRef; |
| } |
| |
| public Endpoint getEndpoint() { |
| return endpoint; |
| } |
| |
| public void setEndpoint(Endpoint endpoint) { |
| this.endpoint = endpoint; |
| } |
| |
| public CamelContext getCamelContext() { |
| return camelContext; |
| } |
| |
| public void setCamelContext(CamelContext camelContext) { |
| this.camelContext = camelContext; |
| } |
| |
| public void setCamelContextId(String contextId) { |
| this.camelContextId = contextId; |
| } |
| |
| public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { |
| this.applicationContext = applicationContext; |
| } |
| |
| } |