diff options
Diffstat (limited to 'sandbox/sebastien/java/vhost/modules/binding-ws-runtime-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/provider/TuscanyServiceProvider.java')
| -rw-r--r-- | sandbox/sebastien/java/vhost/modules/binding-ws-runtime-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/provider/TuscanyServiceProvider.java | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/vhost/modules/binding-ws-runtime-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/provider/TuscanyServiceProvider.java b/sandbox/sebastien/java/vhost/modules/binding-ws-runtime-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/provider/TuscanyServiceProvider.java new file mode 100644 index 0000000000..ba23e80d88 --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/binding-ws-runtime-axis2/src/main/java/org/apache/tuscany/sca/binding/ws/axis2/provider/TuscanyServiceProvider.java @@ -0,0 +1,296 @@ +/*
+ * 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.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.logging.Logger;
+
+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.axiom.om.OMNode;
+import org.apache.axiom.soap.SOAPBody;
+import org.apache.axiom.soap.SOAPHeader;
+import org.apache.axis2.AxisFault;
+import org.apache.axis2.addressing.AddressingConstants;
+import org.apache.axis2.addressing.AddressingFaultsHelper;
+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.binding.ws.WebServiceBindingFactory;
+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;
+import org.oasisopen.sca.ServiceRuntimeException;
+
+public class TuscanyServiceProvider {
+ private static final Logger logger = Logger.getLogger(TuscanyServiceProvider.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_REPLYTO =
+ new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.WSA_REPLY_TO);
+ public static final QName QNAME_WSA_REFERENCE_PARAMETERS =
+ new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.EPR_REFERENCE_PARAMETERS);
+ public static final QName QNAME_WSA_MESSAGEID =
+ new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.WSA_MESSAGE_ID);
+ public static final QName QNAME_WSA_RELATESTO =
+ new QName(AddressingConstants.Final.WSA_NAMESPACE, AddressingConstants.WSA_RELATES_TO, AddressingConstants.WSA_DEFAULT_PREFIX);
+
+ private RuntimeEndpoint endpoint;
+ private WebServiceBinding wsBinding;
+ private MessageFactory messageFactory;
+ private FactoryExtensionPoint modelFactories;
+ private RuntimeAssemblyFactory assemblyFactory;
+ private WebServiceBindingFactory webServiceBindingFactory;
+ private Operation operation;
+
+ public TuscanyServiceProvider(ExtensionPointRegistry extensionPoints,
+ RuntimeEndpoint endpoint,
+ WebServiceBinding wsBinding,
+ Operation operation) {
+ this.endpoint = endpoint;
+ this.wsBinding = wsBinding;
+ this.operation = operation;
+ this.modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+ this.messageFactory = modelFactories.getFactory(MessageFactory.class);
+ this.assemblyFactory = (RuntimeAssemblyFactory)modelFactories.getFactory(AssemblyFactory.class);
+ this.webServiceBindingFactory = (WebServiceBindingFactory)modelFactories.getFactory(WebServiceBindingFactory.class);
+ }
+
+ // Special WS_Addressing values
+ private static String WS_ADDR_ANONYMOUS = "http://www.w3.org/2005/08/addressing/anonymous";
+ private static String WS_ADDR_NONE = "http://www.w3.org/2005/08/addressing/none";
+ /**
+ * Check if the received callback address has either of the special WS-Addressing forms which are outlawed by the
+ * Web Service Binding specification [BWS50004]
+ * @param callbackAddress - the received callback address
+ * @param inMC - the Axis message context for the received forward call
+ * @throws AxisFault - throws a "OnlyNonAnonymousAddressSupportedFault" if the callback address has either of the special forms
+ */
+ private void checkCallbackAddress( String callbackAddress, MessageContext inMC ) throws AxisFault {
+ // If the address is anonymous or none, throw a SOAP fault...
+ if( WS_ADDR_ANONYMOUS.equals(callbackAddress) || WS_ADDR_NONE.equals(callbackAddress) ) {
+ AddressingFaultsHelper.triggerOnlyNonAnonymousAddressSupportedFault(inMC, "wsa:From");
+ }
+ } // end method checkCallbackAddress
+
+ public OMElement invoke(OMElement requestOM, MessageContext inMC) throws InvocationTargetException, AxisFault {
+ String callbackAddress = null;
+
+ // create a message object and set the args as its body
+ Message msg = messageFactory.createMessage();
+ msg.setOperation(operation);
+ msg.setBindingContext(inMC);
+
+ if (wsBinding.isRpcLiteral()){
+ // remove the wrapping element containing
+ // the operation name
+ Iterator iter = requestOM.getChildElements();
+ List<OMNode> list = new ArrayList<OMNode>();
+ while(iter.hasNext()){
+ OMNode node = (OMNode)iter.next();
+ list.add(node);
+ }
+
+ Object[] args = list.toArray();
+ msg.setBody(args);
+
+ } else if (wsBinding.isRpcEncoded()){
+ throw new ServiceRuntimeException("rpc/encoded WSDL style not supported for endpoint " + endpoint);
+ } else if (wsBinding.isDocEncoded()){
+ throw new ServiceRuntimeException("doc/encoded WSDL style not supported for endpoint " + endpoint);
+ //} else if (wsBinding.isDocLiteralUnwrapped()){
+ // throw new ServiceRuntimeException("doc/literal/unwrapped WSDL style not supported for endpoint " + endpoint);
+ } else if (wsBinding.isDocLiteralWrapped() ||
+ wsBinding.isDocLiteralUnwrapped()){
+ Object[] args = new Object[] {requestOM};
+ msg.setBody(args);
+ } else {
+ throw new ServiceRuntimeException("Unrecognized WSDL style for endpoint " + endpoint);
+ }
+
+ SOAPHeader header = inMC.getEnvelope().getHeader();
+ if (header != null) {
+ // Retrieve callback-related headers
+ callbackAddress = handleCallbackAddress( header, msg );
+ handleMessageIDHeader( header, msg );
+ handleRelatesToHeader( header, msg );
+ } // end if
+
+ // Create a from EPR to hold the details of the callback endpoint, if any
+ createCallbackEPR( callbackAddress, inMC, msg );
+
+ Message response = endpoint.invoke(msg);
+
+ if(response.isFault()) {
+ throw new InvocationTargetException((Throwable) response.getBody());
+ }
+
+ 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;
+ }
+
+ return responseOM;
+ } // end method
+
+ /**
+ * If there is a callback address, create an EPR for the callback with a referenced endpoint that contains
+ * the binding and the target callback address
+ * @param callbackAddress - the callback address - may be null
+ * @param inMC - the Axis incoming message context
+ * @param msg - the Tuscany message
+ * @throws AxisFault - if the callback address has any of the disallowed forms of callback address
+ */
+ private void createCallbackEPR( String callbackAddress, MessageContext inMC, Message msg ) throws AxisFault {
+ if (callbackAddress != null ) {
+ // Check for special (& not allowed!) WS_Addressing values
+ checkCallbackAddress( callbackAddress, inMC );
+ //
+ EndpointReference 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();
+ //
+ WebServiceBinding cbBinding = webServiceBindingFactory.createWebServiceBinding();
+ cbBinding.setURI(callbackAddress);
+ callbackEndpoint.setBinding(cbBinding);
+ //
+ callbackEndpoint.setURI(callbackAddress);
+ callbackEndpoint.setUnresolved(true);
+ from.setCallbackEndpoint(callbackEndpoint);
+ } // end if
+ } // end method createCallbackEPR
+
+ private static String WS_REF_PARMS = "WS_REFERENCE_PARAMETERS";
+ /**
+ * Deal with any Callback address contained in the SOAP headers of the received message
+ * The callback address is contained in one of two headers (in the priority order stated by the SCA Web Service Binding spec):
+ * - wsa:From
+ * - wsa:ReplyTo
+ * Either of these headers should then contain a wsa:Address element containing the callback address
+ * A callback address may also be accompanied by wsa:ReferenceParameters
+ * - if present, ReferenceParameters must be read, stored unchanged and then sent in the header of any message sent to the
+ * callback address, as stated in the WSW-Addressing specification
+ * Any ReferenceParameters are stored into the headers of the Tuscany message under the key "WS_REFERENCE_PARAMETERS"
+ * @param header - the SOAP header for the message
+ * @param msg - the Tuscany message data structure
+ * @return - the callback address, as a String - null if no callback address is found
+ */
+ private String handleCallbackAddress( SOAPHeader header, Message msg ) {
+ String callbackAddress = null;
+
+ // See if there is a wsa:From element - if not search for a wsa:ReplyTo element
+ OMElement from = header.getFirstChildWithName(QNAME_WSA_FROM);
+ if( from == null ) from = header.getFirstChildWithName(QNAME_WSA_REPLYTO);
+
+ if (from != null) {
+ OMElement callbackAddrElement = from.getFirstChildWithName(QNAME_WSA_ADDRESS);
+ if (callbackAddrElement != null) {
+ callbackAddress = callbackAddrElement.getText();
+ OMElement refParms = from.getFirstChildWithName(QNAME_WSA_REFERENCE_PARAMETERS);
+ if( refParms != null ) msg.getHeaders().put(WS_REF_PARMS, refParms);
+ }
+ } // end if
+
+ return callbackAddress;
+ } // end method handleCallbackAddress
+
+ private static String WS_MESSAGE_ID = "WS_MESSAGE_ID";
+ /**
+ * Handle a SOAP wsa:MessageID header - place the contents into the Tuscany message for use by any callback
+ * @param header - the SOAP Headers
+ * @param msg - the Tuscany Message
+ */
+ private void handleMessageIDHeader( SOAPHeader header, Message msg ) {
+ if( header == null ) return;
+ OMElement messageID = header.getFirstChildWithName(QNAME_WSA_MESSAGEID);
+ if (messageID != null) {
+ String idValue = messageID.getText();
+ // Store the value of the message ID element into the message under "WS_MESSAGE_ID"...
+ msg.getHeaders().put(WS_MESSAGE_ID, idValue);
+ } // end if
+ } // end method handleMessageID
+
+ private static String WS_RELATES_TO = "WS_RELATES_TO";
+ /**
+ * Handle a SOAP wsa:RelatesTo header - place the contents into the Tuscany message for use by any callback
+ * @param header - the SOAP Headers
+ * @param msg - the Tuscany Message
+ */
+ private void handleRelatesToHeader( SOAPHeader header, Message msg ) {
+ if( header == null ) return;
+ OMElement messageID = header.getFirstChildWithName(QNAME_WSA_RELATESTO);
+ if (messageID != null) {
+ String idValue = messageID.getText();
+ // Store the value of the message ID element into the message under "WS_MESSAGE_ID"...
+ msg.getHeaders().put(WS_MESSAGE_ID, idValue);
+ } // end if
+ } // end method handleMessageID
+} // end class AsyncResponseHandler
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