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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.lang.reflect.InvocationTargetException;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.xml.namespace.QName;
import javax.xml.ws.Provider;
import javax.xml.ws.WebServiceContext;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.soap.SOAPHeader;
import org.apache.axis2.addressing.AddressingConstants;
import org.apache.axis2.context.MessageContext;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
public class Axis2ServiceProvider implements Provider<OMElement> {
private static final Logger logger = Logger.getLogger(Axis2ServiceProvider.class.getName());
public static final QName QNAME_WSA_ADDRESS =
new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.EPR_ADDRESS);
public static final QName QNAME_WSA_FROM =
new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.WSA_FROM);
public static final QName QNAME_WSA_REFERENCE_PARAMETERS =
new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.EPR_REFERENCE_PARAMETERS);
private RuntimeEndpoint endpoint;
private WebServiceBinding wsBinding;
private MessageFactory messageFactory;
private FactoryExtensionPoint modelFactories;
private RuntimeAssemblyFactory assemblyFactory;
@Resource
WebServiceContext wsContext;
public Axis2ServiceProvider(RuntimeEndpoint endpoint,
WebServiceBinding wsBinding,
ExtensionPointRegistry extensionPoints) {
this.endpoint = endpoint;
this.wsBinding = wsBinding;
this.modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
this.messageFactory = modelFactories.getFactory(MessageFactory.class);
this.assemblyFactory = (RuntimeAssemblyFactory)modelFactories.getFactory(AssemblyFactory.class);
}
public OMElement invoke(OMElement arg0) {
// TODO - the interface for a JAX-WS provider.
// May make Axis2 integration cleaner
return null;
}
public Object invokeTarget(Operation op, Object[] args, MessageContext inMC) throws InvocationTargetException {
String callbackAddress = null;
String callbackID = null;
// create a message object and set the args as its body
Message msg = messageFactory.createMessage();
msg.setBody(args);
msg.setOperation(op);
msg.setBindingContext(inMC);
//FIXME: can we use the Axis2 addressing support for this?
SOAPHeader header = inMC.getEnvelope().getHeader();
if (header != null) {
OMElement from = header.getFirstChildWithName(QNAME_WSA_FROM);
if (from != null) {
OMElement callbackAddrElement = from.getFirstChildWithName(QNAME_WSA_ADDRESS);
if (callbackAddrElement != null) {
if (endpoint.getService().getInterfaceContract().getCallbackInterface() != null) {
callbackAddress = callbackAddrElement.getText();
}
}
}
}
// Create a from EPR to hold the details of the callback endpoint
EndpointReference from = null;
if (callbackAddress != null ) {
from = assemblyFactory.createEndpointReference();
Endpoint fromEndpoint = assemblyFactory.createEndpoint();
from.setTargetEndpoint(fromEndpoint);
from.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_AND_MATCHED);
msg.setFrom(from);
Endpoint callbackEndpoint = assemblyFactory.createEndpoint();
callbackEndpoint.setURI(callbackAddress);
callbackEndpoint.setUnresolved(true);
from.setCallbackEndpoint(callbackEndpoint);
}
Message response = endpoint.invoke(msg);
if(response.isFault()) {
throw new InvocationTargetException((Throwable) response.getBody());
}
return response.getBody();
}
}
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