/**
* 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.component.cxf;
import java.io.OutputStream;
import javax.xml.transform.Source;
import org.apache.camel.Consumer;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.component.cxf.util.CxfEndpointUtils;
import org.apache.camel.component.cxf.util.NullConduit;
import org.apache.camel.component.cxf.util.NullDestinationFactory;
import org.apache.camel.util.ObjectHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.cxf.Bus;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.frontend.ServerFactoryBean;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.interceptor.OutgoingChainInterceptor;
import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.transport.MessageObserver;
/**
* A CXF based SOAP consumer (client).
* The consumer will delegate to another endpoint for the transport layer
* and will provide SOAP support on top of it.
*/
public class CxfSoapConsumer implements Consumer {
private static final Log LOG = LogFactory.getLog(CxfSoapConsumer.class);
private final CxfSoapEndpoint endpoint;
private final Consumer consumer;
private MessageObserver inMessageObserver;
private Server server;
public CxfSoapConsumer(CxfSoapEndpoint endpoint, Processor processor) throws Exception {
this.endpoint = endpoint;
Processor soapProcessor = new AsyncProcessorDecorator(processor,
new Processor() {
public void process(Exchange exchange) throws Exception {
processSoapConsumerIn(exchange);
}
},
new Processor() {
public void process(Exchange exchange) throws Exception {
processSoapConsumerOut(exchange);
}
});
this.consumer = endpoint.getInnerEndpoint().createConsumer(soapProcessor);
Class sei = null;
if (ObjectHelper.isNotEmpty(endpoint.getServiceClass())) {
sei = ClassLoaderUtils.loadClass(endpoint.getServiceClass(), this.getClass());
}
ServerFactoryBean sfb = CxfEndpointUtils.getServerFactoryBean(sei);
sfb.setWsdlURL(endpoint.getWsdl().getURL().toString());
if (endpoint.getServiceName() != null) {
sfb.setServiceName(endpoint.getServiceName());
}
if (endpoint.getEndpointName() != null) {
sfb.setEndpointName(endpoint.getEndpointName());
}
// we do not need use the destination here
sfb.setDestinationFactory(new NullDestinationFactory());
sfb.setStart(false);
server = sfb.create();
}
public void start() throws Exception {
server.start();
inMessageObserver = server.getDestination().getMessageObserver();
consumer.start();
}
public void stop() throws Exception {
server.stop();
consumer.stop();
}
protected Bus getBus() {
return endpoint.getBus();
}
protected void processSoapConsumerIn(Exchange exchange) throws Exception {
LOG.info("processSoapConsumerIn: " + exchange);
org.apache.cxf.message.Message inMessage = CxfSoapBinding.getCxfInMessage(
endpoint.getHeaderFilterStrategy(), exchange, false);
org.apache.cxf.message.Exchange cxfExchange = inMessage.getExchange();
cxfExchange.put(org.apache.cxf.endpoint.Endpoint.class, server.getEndpoint());
cxfExchange.put(Bus.class, getBus());
cxfExchange.setConduit(new NullConduit());
// get the message input stream, deal with the exchange in message
inMessageObserver.onMessage(inMessage);
exchange.getIn().setBody(inMessage.getContent(Source.class));
//TODO copy the right header information
exchange.getIn().setHeaders(inMessage);
}
protected void processSoapConsumerOut(Exchange exchange) throws Exception {
LOG.info("processSoapConsumerOut: " + exchange);
// TODO check if the message is one-way message
// Get the method name from the soap endpoint
org.apache.cxf.message.Message outMessage = CxfSoapBinding.getCxfOutMessage(
endpoint.getHeaderFilterStrategy(), exchange, false);
org.apache.cxf.message.Exchange cxfExchange = outMessage.getExchange();
InterceptorChain chain = OutgoingChainInterceptor.getOutInterceptorChain(cxfExchange);
outMessage.setInterceptorChain(chain);
chain.doIntercept(outMessage);
CachedOutputStream outputStream = (CachedOutputStream)outMessage.getContent(OutputStream.class);
exchange.getOut().setBody(outputStream.getInputStream());
}
}