1 files changed, 167 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/local/LocalSCABindingInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/local/LocalSCABindingInvoker.java
new file mode 100644
index 0000000000..5fca1ea593
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/local/LocalSCABindingInvoker.java
@@ -0,0 +1,167 @@
+/*
+ * 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.local;
+
+import org.apache.tuscany.sca.binding.sca.transform.BindingSCATransformer;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+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.InvokerAsyncRequest;
+import org.apache.tuscany.sca.invocation.InvokerAsyncResponse;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
+
+
+/**
+ * @version $Rev: 1057653 $ $Date: 2011-01-11 09:18:49 -0500 (Tue, 11 Jan 2011) $
+ */
+public class LocalSCABindingInvoker extends InterceptorAsyncImpl {
+    private InvocationChain chain;
+    private boolean passByValue;
+    private RuntimeEndpointReference epr;
+    private RuntimeEndpoint ep;
+    private ExtensionPointRegistry registry;
+    private BindingSCATransformer bindingSCATransformer;
+
+    /**
+     * Construct a SCABindingInvoker that delegates to the service invocation chain
+     */
+    public LocalSCABindingInvoker(InvocationChain chain, Operation sourceOperation, 
+                                  boolean passByValue, RuntimeEndpointReference epr, ExtensionPointRegistry registry, 
+                                  BindingSCATransformer bindingSCATransformer) {
+        super();
+        this.chain = chain;
+
+        this.passByValue = passByValue;
+        this.epr = epr;
+        this.ep = (RuntimeEndpoint)epr.getTargetEndpoint();
+        this.registry = registry;
+        this.bindingSCATransformer = bindingSCATransformer;
+    }
+
+    /**
+     * @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) {
+            Object transformedBody = bindingSCATransformer.transformInput(msg.getBody());
+            msg.setBody(transformedBody);
+        } // 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");
+
+            String operationName = msg.getOperation().getName();
+
+            // Create a response invoker and add it to the message headers
+            AsyncResponseInvoker<RuntimeEndpointReference> respInvoker =            	
+                new AsyncResponseInvoker<RuntimeEndpointReference>(ep, null, epr, msgID, operationName, getMessageFactory());
+            respInvoker.setBindingType("SCA_LOCAL");
+            msg.getHeaders().put("ASYNC_RESPONSE_INVOKER", respInvoker);
+        } // end if
+
+        return msg;
+    } // end method processRequest
+
+    /**
+     * Regular (sync) processing of response message
+     */
+    public Message processResponse(Message msg){
+        if (passByValue) {
+            // Note source and target operation swapped so result is in source class loader
+            if (msg.isFault()) {
+                Object transformedFault = bindingSCATransformer.transformFault(msg.getBody());
+                msg.setFaultBody(transformedFault);
+            } else {
+                Object transformedOutput = bindingSCATransformer.transformOutput(msg.getBody()); 
+                msg.setBody(transformedOutput);
+            } // end if
+        } // end if
+
+        return msg;
+    } // end method processResponse
+
+    public void invokeAsyncRequest(Message msg) throws Throwable {
+        try{ 
+            msg = processRequest(msg);
+            InvokerAsyncRequest theNext = (InvokerAsyncRequest)getNext();
+            if( theNext != null ) theNext.invokeAsyncRequest(msg);
+            postProcessRequest(msg);
+        } catch (Throwable e) {
+            postProcessRequest(msg, e);
+        } // end try
+    } // end method invokeAsyncRequest
+
+    public void invokeAsyncResponse(Message msg) {
+        msg = processResponse(msg);
+
+        // Handle async response Relates_To message ID value
+        @SuppressWarnings("unchecked")
+        AsyncResponseInvoker<RuntimeEndpointReference> respInvoker = 
+            (AsyncResponseInvoker<RuntimeEndpointReference>)msg.getHeaders().get("ASYNC_RESPONSE_INVOKER");
+        // TODO - this deals with the Local case only - not distributed
+        if( respInvoker != null && "SCA_LOCAL".equals(respInvoker.getBindingType()) ) {
+            RuntimeEndpointReference responseEPR = respInvoker.getResponseTargetAddress();
+            msg.setFrom(responseEPR);
+            String msgID = respInvoker.getRelatesToMsgID();
+            msg.getHeaders().put("RELATES_TO", msgID);
+        } // end if
+
+        InvokerAsyncResponse thePrevious = (InvokerAsyncResponse)getPrevious();
+        if (thePrevious != null ) thePrevious.invokeAsyncResponse(msg);
+    } // end method invokeAsyncResponse
+
+    public boolean isLocalSCABIndingInvoker() {
+        return true;
+    }
+
+    private MessageFactory getMessageFactory() {
+        FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
+        return modelFactories.getFactory(MessageFactory.class);
+    } // end method getMessageFactory
+
+}