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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.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import javax.wsdl.Operation;
import javax.wsdl.PortType;
import javax.xml.namespace.QName;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.soap.SOAPBody;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axiom.soap.SOAPHeader;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.AddressingConstants;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.addressing.EndpointReferenceHelper;
import org.apache.axis2.addressing.wsdl.WSDL11ActionHelper;
import org.apache.axis2.client.OperationClient;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.context.MessageContext;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.interfacedef.util.FaultException;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
import org.oasisopen.sca.ServiceRuntimeException;
/**
* Axis2BindingInvoker creates an Axis2 OperationClient to pass down the
* binding chain
*
* @version $Rev$ $Date$
*/
public class Axis2ReferenceBindingInvoker implements Invoker {
public static final QName QNAME_WSA_FROM =
new QName(AddressingConstants.Final.WSA_NAMESPACE,
AddressingConstants.WSA_FROM,
AddressingConstants.WSA_DEFAULT_PREFIX);
public static final QName QNAME_WSA_ACTION =
new QName(AddressingConstants.Final.WSA_NAMESPACE,
AddressingConstants.WSA_ACTION,
AddressingConstants.WSA_DEFAULT_PREFIX);
private RuntimeEndpointReference endpointReference;
private ServiceClient serviceClient;
private QName wsdlOperationName;
private Options options;
private SOAPFactory soapFactory;
private WebServiceBinding wsBinding;
public Axis2ReferenceBindingInvoker(RuntimeEndpointReference endpointReference,
ServiceClient serviceClient,
QName wsdlOperationName,
Options options,
SOAPFactory soapFactory,
WebServiceBinding wsBinding) {
this.endpointReference = endpointReference;
this.serviceClient = serviceClient;
this.wsdlOperationName = wsdlOperationName;
this.options = options;
this.soapFactory = soapFactory;
this.wsBinding = wsBinding;
}
public Message invoke(Message msg) {
try {
final OperationClient operationClient = createOperationClient(msg);
msg.setBindingContext(operationClient);
msg = endpointReference.getBindingInvocationChain().getHeadInvoker().invoke(msg);
} catch (AxisFault e) {
if (e.getDetail() != null ) {
FaultException f = new FaultException(e.getMessage(), e.getDetail(), e);
f.setFaultName(e.getDetail().getQName());
msg.setFaultBody(f);
} else {
msg.setFaultBody(e);
}
} catch (Throwable e) {
msg.setFaultBody(e);
}
return msg;
}
@SuppressWarnings("deprecation")
protected OperationClient createOperationClient(Message msg) throws AxisFault {
SOAPEnvelope env = soapFactory.getDefaultEnvelope();
Object[] args = (Object[])msg.getBody();
if (args != null && args.length > 0) {
SOAPBody body = env.getBody();
for (Object bc : args) {
if (bc instanceof OMElement) {
body.addChild((OMElement)bc);
} else {
throw new IllegalArgumentException( "Can't handle mixed payloads between OMElements and other types.");
}
}
}
final MessageContext requestMC = new MessageContext();
requestMC.setEnvelope(env);
// Axis2 operationClients can not be shared so create a new one for each request
final OperationClient operationClient = serviceClient.createClient(wsdlOperationName);
operationClient.setOptions(options);
Endpoint callbackEndpoint = msg.getFrom().getCallbackEndpoint();
// add WS-Addressing header
//FIXME: is there any way to use the Axis2 addressing support for this?
if (callbackEndpoint != null) {
EndpointReference fromEPR = new EndpointReference(callbackEndpoint.getURI());
SOAPEnvelope sev = requestMC.getEnvelope();
SOAPHeader sh = sev.getHeader();
OMElement epr =
EndpointReferenceHelper.toOM(sev.getOMFactory(),
fromEPR,
QNAME_WSA_FROM,
AddressingConstants.Final.WSA_NAMESPACE);
sh.addChild(epr);
// Create wsa:Action header which is required by ws-addressing spec
String action = options.getAction();
if (action == null) {
PortType portType = ((WSDLInterface)wsBinding.getBindingInterfaceContract().getInterface()).getPortType();
Operation op = portType.getOperation(wsdlOperationName.getLocalPart(), null, null);
action =
WSDL11ActionHelper.getActionFromInputElement(wsBinding.getWSDLDocument(), portType, op, op
.getInput());
}
OMElement actionOM = sev.getOMFactory().createOMElement(QNAME_WSA_ACTION);
actionOM.setText(action == null ? "" : action);
sh.addChild(actionOM);
requestMC.setFrom(fromEPR);
}
// if target endpoint was not specified when this invoker was created,
// use dynamically specified target endpoint passed in on this call
if (options.getTo() == null) {
Endpoint ep = msg.getTo();
if (ep != null && ep.getBinding() != null) {
requestMC.setTo(new EndpointReference(ep.getBinding().getURI()));
} else {
throw new ServiceRuntimeException("Unable to determine destination endpoint");
}
} else {
requestMC.setTo(new EndpointReference(options.getTo().getAddress()));
}
// Allow privileged access to read properties. Requires PropertiesPermission read in
// security policy.
try {
AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
public Object run() throws AxisFault {
operationClient.addMessageContext(requestMC);
return null;
}
});
} catch (PrivilegedActionException e) {
throw (AxisFault)e.getException();
}
return operationClient;
}
}
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