/**
* 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
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;
}
}