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/*
* 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.tuscany.sca.binding.ws.axis2.provider;
import java.util.Iterator;
import javax.wsdl.BindingOperation;
import javax.xml.namespace.QName;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axis2.AxisFault;
import org.apache.axis2.client.OperationClient;
import org.apache.axis2.context.MessageContext;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.binding.ws.axis2.context.WSAxis2BindingContext;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.invocation.Phase;
import org.apache.tuscany.sca.invocation.PhasedInterceptor;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* Create the SOAP envelope from the response message before the reponse
* passes back through the binding chain
*/
public class Axis2ServiceBindingResponseInterceptor implements PhasedInterceptor {
private Invoker next;
private RuntimeEndpoint endpoint;
private WebServiceBinding wsBinding;
public Axis2ServiceBindingResponseInterceptor(RuntimeEndpoint endpoint) {
this.endpoint = endpoint;
this.wsBinding = (WebServiceBinding)endpoint.getBinding();
}
public Message invoke(Message msg) {
Message response = getNext().invoke(msg);
// set up the response envelope here before we return back through the binding chain
// so that this is symetrical with how the outgoing reference binding chain behaves
WSAxis2BindingContext bindingContext = msg.getBindingContext();
MessageContext responseMC = bindingContext.getAxisOutMessageContext();
if(!response.isFault()) {
OMElement responseOM = response.getBody();
if (wsBinding.isRpcLiteral()){
// add the response wrapping element
OMFactory factory = OMAbstractFactory.getOMFactory();
String wrapperNamespace = null;
// the rpc style creates a wrapper with a namespace where the namespace is
// defined on the wsdl binding operation. If no binding is provided by the
// user then default to the namespace of the WSDL itself.
if (wsBinding.getBinding() != null){
Iterator iter = wsBinding.getBinding().getBindingOperations().iterator();
loopend:
while(iter.hasNext()){
BindingOperation bOp = (BindingOperation)iter.next();
if (bOp.getName().equals(msg.getOperation().getName())){
for (Object ext : bOp.getBindingOutput().getExtensibilityElements()){
if (ext instanceof javax.wsdl.extensions.soap.SOAPBody){
wrapperNamespace = ((javax.wsdl.extensions.soap.SOAPBody)ext).getNamespaceURI();
break loopend;
}
}
}
}
}
if (wrapperNamespace == null){
wrapperNamespace = wsBinding.getUserSpecifiedWSDLDefinition().getNamespace();
}
QName operationResponseQName = new QName(wrapperNamespace,
msg.getOperation().getName() + "Response");
OMElement operationResponseElement = factory.createOMElement(operationResponseQName);
operationResponseElement.addChild(responseOM);
responseOM = operationResponseElement;
}
if (null != responseOM ) {
responseMC.getEnvelope().getBody().addChild(responseOM);
}
}
return response;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
public String getPhase() {
return Phase.SERVICE_BINDING_POLICY;
}
}
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