/**
* 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 java.lang.reflect.Proxy;
import javax.xml.transform.Source;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.component.cxf.util.CxfEndpointUtils;
import org.apache.camel.component.cxf.util.Dummy;
import org.apache.camel.component.cxf.util.NullConduit;
import org.apache.camel.component.cxf.util.NullConduitSelector;
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.ClientImpl;
import org.apache.cxf.frontend.ClientProxy;
import org.apache.cxf.frontend.ClientProxyFactoryBean;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.interceptor.OutgoingChainInterceptor;
import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
/**
* A CXF based soap provider.
* The consumer will delegate to another endpoint for the transport layer
* and will provide SOAP support on top of it.
*/
public class CxfSoapProducer implements Producer {
private static final Log LOG = LogFactory.getLog(CxfSoapProducer.class);
private final CxfSoapEndpoint endpoint;
private final Producer producer;
private final Processor processor;
private final ClientImpl client;
public CxfSoapProducer(CxfSoapEndpoint endpoint) throws Exception {
this.endpoint = endpoint;
this.producer = endpoint.getInnerEndpoint().createProducer();
this.processor = new CxfAroundProcessor(producer,
new Processor() {
public void process(Exchange exchange) throws Exception {
processSoapProviderIn(exchange);
}
},
new Processor() {
public void process(Exchange exchange) throws Exception {
processSoapProviderOut(exchange);
}
});
//create the endpoint and setup the interceptors
Class sei = null;
if (ObjectHelper.isNotEmpty(endpoint.getServiceClass())) {
sei = ClassLoaderUtils.loadClass(endpoint.getServiceClass(), this.getClass());
}
ClientProxyFactoryBean cfb = CxfEndpointUtils.getClientFactoryBean(sei);
if (sei == null) {
cfb.setServiceClass(Dummy.class);
} else {
cfb.setServiceClass(sei);
}
cfb.setWsdlURL(endpoint.getWsdl().getURL().toString());
if (endpoint.getServiceName() != null) {
cfb.setServiceName(endpoint.getServiceName());
}
if (endpoint.getEndpointName() != null) {
cfb.setEndpointName(endpoint.getEndpointName());
}
cfb.setConduitSelector(new NullConduitSelector());
client = (ClientImpl)((ClientProxy)Proxy.getInvocationHandler(cfb.create())).getClient();
}
public Endpoint getEndpoint() {
return producer.getEndpoint();
}
public Exchange createExchange() {
return producer.createExchange();
}
public Exchange createExchange(ExchangePattern pattern) {
return producer.createExchange(pattern);
}
public Exchange createExchange(Exchange exchange) {
return producer.createExchange(exchange);
}
public void process(Exchange exchange) throws Exception {
processor.process(exchange);
}
public boolean isSingleton() {
return true;
}
public void start() throws Exception {
producer.start();
}
public void stop() throws Exception {
producer.stop();
}
protected void processSoapProviderOut(Exchange exchange) throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug("processSoapProviderOut: " + exchange);
}
org.apache.cxf.message.Message inMessage = CxfSoapBinding.getCxfInMessage(
endpoint.getHeaderFilterStrategy(), exchange, true);
client.setInInterceptors(client.getEndpoint().getService().getInInterceptors());
client.onMessage(inMessage);
exchange.getOut().setBody(inMessage.getContent(Source.class));
exchange.getOut().setHeaders(inMessage);
}
protected Bus getBus() {
return endpoint.getBus();
}
protected void processSoapProviderIn(Exchange exchange) throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug("processSoapProviderIn: " + exchange);
}
org.apache.cxf.endpoint.Endpoint cxfEndpoint = client.getEndpoint();
org.apache.cxf.message.Exchange cxfExchange = new ExchangeImpl();
cxfExchange.put(org.apache.cxf.endpoint.Endpoint.class, cxfEndpoint);
cxfExchange.put(Bus.class, getBus());
cxfExchange.setConduit(new NullConduit());
exchange.setProperty(CxfConstants.CXF_EXCHANGE, cxfExchange);
org.apache.cxf.message.Message outMessage = CxfSoapBinding.getCxfOutMessage(
endpoint.getHeaderFilterStrategy(), exchange, true);
outMessage.put(Message.REQUESTOR_ROLE, Boolean.TRUE);
outMessage.put(Message.INBOUND_MESSAGE, Boolean.FALSE);
InterceptorChain chain = OutgoingChainInterceptor.getOutInterceptorChain(cxfExchange);
outMessage.setInterceptorChain(chain);
chain.doIntercept(outMessage);
CachedOutputStream outputStream = (CachedOutputStream)outMessage.getContent(OutputStream.class);
exchange.getOut().setBody(outputStream.getInputStream());
exchange.getIn().setBody(outputStream.getInputStream());
}
}