/**
* 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.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import org.apache.camel.CamelException;
import org.apache.camel.Exchange;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.component.cxf.feature.MessageDataFormatFeature;
import org.apache.camel.component.cxf.feature.PayLoadDataFormatFeature;
import org.apache.camel.component.cxf.invoker.CxfClient;
import org.apache.camel.component.cxf.invoker.CxfClientFactoryBean;
import org.apache.camel.component.cxf.invoker.InvokingContext;
import org.apache.camel.component.cxf.invoker.InvokingContextFactory;
import org.apache.camel.component.cxf.spring.CxfEndpointBean;
import org.apache.camel.component.cxf.util.CxfEndpointUtils;
import org.apache.camel.impl.DefaultProducer;
import org.apache.camel.util.ObjectHelper;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.bus.spring.SpringBusFactory;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.endpoint.Client;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.feature.AbstractFeature;
import org.apache.cxf.frontend.ClientFactoryBean;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.service.model.BindingOperationInfo;
/**
* Sends messages from Camel into the CXF endpoint
*
* @version $Revision: 670454 $
*/
public class CxfProducer extends DefaultProducer<CxfExchange> {
private CxfEndpoint endpoint;
private Client client;
private DataFormat dataFormat;
public CxfProducer(CxfEndpoint endpoint) throws CamelException {
super(endpoint);
this.endpoint = endpoint;
dataFormat = CxfEndpointUtils.getDataFormat(endpoint);
if (dataFormat.equals(DataFormat.POJO)) {
client = createClientFromClientFactoryBean(null);
} else {
// Create CxfClient for message or payload type
client = createClientForStreamMessage();
}
}
private Client createClientForStreamMessage() throws CamelException {
CxfClientFactoryBean cfb = new CxfClientFactoryBean();
Class serviceClass = null;
if (endpoint.isSpringContextEndpoint()) {
CxfEndpointBean cxfEndpointBean = endpoint.getCxfEndpointBean();
serviceClass = cxfEndpointBean.getServiceClass();
} else {
if (endpoint.getServiceClass() == null) {
throw new CamelException("serviceClass setting missing from CXF endpoint configuration");
}
try {
serviceClass = ClassLoaderUtils.loadClass(endpoint.getServiceClass(), this.getClass());
} catch (ClassNotFoundException e) {
throw new CamelException(e);
}
}
boolean jsr181Enabled = CxfEndpointUtils.hasWebServiceAnnotation(serviceClass);
cfb.setJSR181Enabled(jsr181Enabled);
dataFormat = CxfEndpointUtils.getDataFormat(endpoint);
List<AbstractFeature> features = new ArrayList<AbstractFeature>();
if (dataFormat.equals(DataFormat.MESSAGE)) {
features.add(new MessageDataFormatFeature());
// features.add(new LoggingFeature());
} else if (dataFormat.equals(DataFormat.PAYLOAD)) {
features.add(new PayLoadDataFormatFeature());
// features.add(new LoggingFeature());
}
cfb.setFeatures(features);
return createClientFromClientFactoryBean(cfb);
}
// If cfb is null, we will try to find the right cfb to use.
private Client createClientFromClientFactoryBean(ClientFactoryBean cfb) throws CamelException {
Bus bus = null;
if (endpoint.getApplicationContext() != null) {
SpringBusFactory bf = new SpringBusFactory(endpoint.getApplicationContext());
bus = bf.createBus();
if (CxfEndpointUtils.getSetDefaultBus(endpoint)) {
BusFactory.setDefaultBus(bus);
}
} else {
// now we just use the default bus here
bus = BusFactory.getDefaultBus();
}
if (endpoint.isSpringContextEndpoint()) {
CxfEndpointBean cxfEndpointBean = endpoint.getCxfEndpointBean();
if (cfb == null) {
cfb = CxfEndpointUtils.getClientFactoryBean(cxfEndpointBean.getServiceClass());
}
endpoint.configure(cfb);
} else { // set up the clientFactoryBean by using URI information
if (null != endpoint.getServiceClass()) {
try {
// We need to choose the right front end to create the
// clientFactoryBean
Class serviceClass = ClassLoaderUtils.loadClass(endpoint.getServiceClass(), this
.getClass());
if (cfb == null) {
cfb = CxfEndpointUtils.getClientFactoryBean(serviceClass);
}
cfb.setAddress(endpoint.getAddress());
if (null != endpoint.getServiceClass()) {
cfb.setServiceClass(ObjectHelper.loadClass(endpoint.getServiceClass()));
}
if (null != endpoint.getWsdlURL()) {
cfb.setWsdlURL(endpoint.getWsdlURL());
}
} catch (ClassNotFoundException e) {
throw new CamelException(e);
}
} else { // we can't see any service class from the endpoint
if (cfb == null) {
cfb = new ClientFactoryBean();
}
if (null != endpoint.getWsdlURL()) {
cfb.setWsdlURL(endpoint.getWsdlURL());
} else {
// Throw an exception indicating insufficient endpoint info
throw new CamelException("Not enough information to create a CXF endpoint. (Provide WSDL url or service class name.)");
}
}
if (endpoint.getServiceName() != null) {
cfb.setServiceName(CxfEndpointUtils.getServiceName(endpoint));
}
if (endpoint.getPortName() != null) {
cfb.setEndpointName(CxfEndpointUtils.getPortName(endpoint));
}
if (endpoint.getWsdlURL() != null) {
cfb.setWsdlURL(endpoint.getWsdlURL());
}
}
cfb.setBus(bus);
return cfb.create();
}
public void process(Exchange exchange) {
CxfExchange cxfExchange = endpoint.createExchange(exchange);
process(cxfExchange);
exchange.copyFrom(cxfExchange);
}
public void process(CxfExchange exchange) {
Message inMessage = CxfBinding.createCxfMessage(exchange);
exchange.setProperty(CxfExchange.DATA_FORMAT, dataFormat);
try {
if (dataFormat.equals(DataFormat.POJO)) {
// InputStream is = m.getContent(InputStream.class);
// now we just deal with the POJO invocations
List parameters = inMessage.getContent(List.class);
if (parameters == null) {
parameters = new ArrayList();
}
String operationName = (String)inMessage.get(CxfConstants.OPERATION_NAME);
String operationNameSpace = (String)inMessage.get(CxfConstants.OPERATION_NAMESPACE);
// Get context from message
Map<String, Object> context = new HashMap<String, Object>();
Map<String, Object> responseContext = CxfBinding.propogateContext(inMessage, context);
Message response = new MessageImpl();
if (operationName != null) {
// we need to check out the operation Namespace
try {
Object[] result = null;
// call for the client with the parameters
result = invokeClient(operationNameSpace, operationName, parameters, context);
response.setContent(Object[].class, result);
// copy the response context to the response
CxfBinding.storeCXfResponseContext(response, responseContext);
CxfBinding.storeCxfResponse(exchange, response);
} catch (Exception ex) {
response.setContent(Exception.class, ex);
CxfBinding.storeCxfFault(exchange, response);
}
} else {
throw new RuntimeCamelException("Can't find the operation name in the message!");
}
} else {
// get the invocation context
org.apache.cxf.message.Exchange ex = exchange.getExchange();
if (ex == null) {
ex = (org.apache.cxf.message.Exchange)exchange.getProperty(CxfConstants.CXF_EXCHANGE);
exchange.setExchange(ex);
}
if (ex == null) {
ex = new ExchangeImpl();
exchange.setExchange(ex);
}
assert ex != null;
InvokingContext invokingContext = ex.get(InvokingContext.class);
if (invokingContext == null) {
invokingContext = InvokingContextFactory.createContext(dataFormat);
ex.put(InvokingContext.class, invokingContext);
}
Map<Class, Object> params = invokingContext.getRequestContent(inMessage);
// invoke the stream message with the exchange context
CxfClient cxfClient = (CxfClient)client;
// need to get the binding object to create the message
BindingOperationInfo boi = ex.get(BindingOperationInfo.class);
Message response = null;
if (boi == null) {
// it should be the raw message
response = new MessageImpl();
} else {
// create the message here
Endpoint ep = ex.get(Endpoint.class);
response = ep.getBinding().createMessage();
}
response.setExchange(ex);
// invoke the message prepare the context
Map<String, Object> context = new HashMap<String, Object>();
Map<String, Object> responseContext = CxfBinding.propogateContext(inMessage, context);
try {
Object result = cxfClient.dispatch(params, context, ex);
ex.setOutMessage(response);
invokingContext.setResponseContent(response, result);
// copy the response context to the response
CxfBinding.storeCXfResponseContext(response, responseContext);
CxfBinding.storeCxfResponse(exchange, response);
} catch (Exception e) {
response.setContent(Exception.class, e);
CxfBinding.storeCxfFault(exchange, response);
}
}
} catch (Exception e) {
// TODO add the fault message handling work
throw new RuntimeCamelException(e);
}
}
@Override
protected void doStart() throws Exception {
super.doStart();
}
@Override
protected void doStop() throws Exception {
super.doStop();
}
private Object[] invokeClient(String operationNameSpace, String operationName, List parameters, Map<String, Object> context) throws Exception {
QName operationQName = null;
if (operationNameSpace == null) {
operationQName = new QName(client.getEndpoint().getService().getName().getNamespaceURI(), operationName);
} else {
operationQName = new QName(operationNameSpace, operationName);
}
BindingOperationInfo op = client.getEndpoint().getEndpointInfo().getBinding().getOperation(operationQName);
if (op == null) {
throw new RuntimeCamelException("No operation found in the CXF client, the operation is " + operationQName);
}
if (!endpoint.isWrapped()) {
if (op.isUnwrappedCapable()) {
op = op.getUnwrappedOperation();
}
}
Object[] result = client.invoke(op, parameters.toArray(), context);
return result;
}
}