1 files changed, 129 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/vhost/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java b/sandbox/sebastien/java/vhost/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java
new file mode 100644
index 0000000000..8ea754c8fc
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java
@@ -0,0 +1,129 @@
+/*
+ * 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.sca.provider;
+
+import org.apache.tuscany.sca.core.invocation.AsyncResponseInvoker;
+import org.apache.tuscany.sca.core.invocation.InterceptorAsyncImpl;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+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.runtime.RuntimeEndpoint;
+import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
+
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class SCABindingInvoker extends InterceptorAsyncImpl {
+    private InvocationChain chain;
+    private Mediator mediator;
+    private Operation sourceOperation;
+    private Operation targetOperation;
+    private boolean passByValue;
+    private RuntimeEndpointReference epr;
+    private RuntimeEndpoint ep;
+
+    /**
+     * Construct a SCABindingInvoker that delegates to the service invocaiton chain
+     */
+    public SCABindingInvoker(InvocationChain chain, Operation sourceOperation, Mediator mediator, boolean passByValue, RuntimeEndpointReference epr) {
+        super();
+        this.chain = chain;
+        this.mediator = mediator;
+        this.sourceOperation = sourceOperation;
+        this.targetOperation = chain.getTargetOperation();
+        this.passByValue = passByValue;
+        this.epr = epr;
+        this.ep = (RuntimeEndpoint)epr.getTargetEndpoint();
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.invocation.Interceptor#getNext()
+     */
+    public Invoker getNext() {
+        return chain.getHeadInvoker(Phase.SERVICE_POLICY);
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker)
+     */
+    public void setNext(Invoker next) {
+        // NOOP
+    }
+    
+    public Message processRequest(Message msg){
+        if (passByValue) {
+            msg.setBody(mediator.copyInput(msg.getBody(), sourceOperation, targetOperation));
+        } // end if
+         
+        ep.getInvocationChains();
+        if ( !ep.getCallbackEndpointReferences().isEmpty() ) {
+            RuntimeEndpointReference asyncEPR = (RuntimeEndpointReference) ep.getCallbackEndpointReferences().get(0);
+            // Place a link to the callback EPR into the message headers...
+            msg.getHeaders().put("ASYNC_CALLBACK", asyncEPR );
+        } // end if
+        
+        if( ep.isAsyncInvocation() ) {
+            // Get the message ID 
+            String msgID = (String)msg.getHeaders().get("MESSAGE_ID");
+            
+            // Create a response invoker and add it to the message headers
+            AsyncResponseInvoker<RuntimeEndpointReference> respInvoker = 
+            	new AsyncResponseInvoker<RuntimeEndpointReference>(ep, null, epr, msgID);
+            msg.getHeaders().put("ASYNC_RESPONSE_INVOKER", respInvoker);
+        } // end if
+        
+        return msg;
+    }
+    
+    public Message processResponse(Message msg){
+        if (passByValue) {
+            // Note source and target operation swapped so result is in source class loader
+            if (msg.isFault()) {
+                msg.setFaultBody(mediator.copyFault(msg.getBody(), sourceOperation, targetOperation));
+            } else {
+                if (sourceOperation.getOutputType() != null) {
+                    msg.setBody(mediator.copyOutput(msg.getBody(), sourceOperation, targetOperation));
+                } // end if
+            } // end if
+        } // end if
+        
+        // Handle async response Relates_To message ID value
+        @SuppressWarnings("unchecked")
+		AsyncResponseInvoker<RuntimeEndpointReference> respInvoker = 
+        	(AsyncResponseInvoker<RuntimeEndpointReference>)msg.getHeaders().get("ASYNC_RESPONSE_INVOKER");
+        if( respInvoker != null ) {
+	        RuntimeEndpointReference responseEPR = respInvoker.getResponseTargetAddress();
+	        msg.setFrom(responseEPR);
+        	String msgID = respInvoker.getRelatesToMsgID();
+	        msg.getHeaders().put("RELATES_TO", msgID);
+        } // end if
+        
+        return msg;
+    } // end method processResponse
+    
+    public boolean isLocalSCABIndingInvoker() {
+        return true;
+    }
+
+}