1 files changed, 121 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC3a/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java b/tags/java/sca/2.0-M3-RC3a/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java
new file mode 100644
index 0000000000..9daf430ad5
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC3a/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java
@@ -0,0 +1,121 @@
+/*
+ * 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.core.context.impl;
+
+import java.util.List;
+
+import javax.security.auth.Subject;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.context.CallableReferenceExt;
+import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
+import org.apache.tuscany.sca.core.invocation.impl.CallbackReferenceImpl;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.ReferenceParameters;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.oasisopen.sca.CallableReference;
+import org.oasisopen.sca.RequestContext;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class RequestContextImpl implements RequestContext {
+
+    private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint;
+
+    public RequestContextImpl(RuntimeComponent component) {
+        ExtensionPointRegistry registry = component.getComponentContext().getExtensionPointRegistry();
+        proxyFactoryExtensionPoint = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+    }
+
+    public Subject getSecuritySubject() {
+        Subject subject = null;
+        
+        for (Object header : ThreadMessageContext.getMessageContext().getHeaders()){
+            if (header instanceof Subject){
+                subject  = (Subject)header;
+                break;
+            }
+        }
+        return subject;
+    }
+
+    public String getServiceName() {
+        return ThreadMessageContext.getMessageContext().getTo().getService().getName();
+    }
+
+    public <B> CallableReference<B> getServiceReference() {
+        Message msgContext = ThreadMessageContext.getMessageContext();
+        // FIXME: [rfeng] Is this the service reference matching the caller side?
+        Endpoint to = msgContext.getTo();
+        RuntimeComponentService service = (RuntimeComponentService) to.getService();
+        RuntimeComponent component = (RuntimeComponent) to.getComponent();
+        
+        CallableReference<B> callableReference = component.getComponentContext().getCallableReference(null, component, service);
+        
+        //TODO - EPR - not required for OASIS
+        //ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
+        //((CallableReferenceExt<B>) callableReference).attachCallbackID(parameters.getCallbackID());
+        //((CallableReferenceExt<B>) callableReference).attachConversation(parameters.getConversationID());
+        
+        return callableReference;
+    }
+
+    public <CB> CB getCallback() {
+        CallableReference<CB> cb = getCallbackReference(); 
+        if (cb == null) {
+            return null;
+        }
+        return cb.getService();
+    }
+
+    @SuppressWarnings("unchecked")
+    public <CB> CallableReference<CB> getCallbackReference() {
+        Message msgContext = ThreadMessageContext.getMessageContext();
+        Endpoint to = msgContext.getTo();
+        RuntimeComponentService service = (RuntimeComponentService) to.getService();
+        RuntimeComponentReference callbackReference = (RuntimeComponentReference)service.getCallbackReference();
+        if (callbackReference == null) {
+            return null;
+        }
+        JavaInterface javaInterface = (JavaInterface) callbackReference.getInterfaceContract().getInterface();
+        Class<CB> javaClass = (Class<CB>)javaInterface.getJavaClass();
+        List<RuntimeWire> wires = callbackReference.getRuntimeWires();
+        ProxyFactory proxyFactory = new ExtensibleProxyFactory(proxyFactoryExtensionPoint);
+        CallbackReferenceImpl ref = CallbackReferenceImpl.newInstance(javaClass, proxyFactory, wires);
+        if (ref != null) {  
+            //ref.resolveTarget();
+            // TODO - EPR - not required for OASIS
+            //ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
+            //ref.attachCallbackID(parameters.getCallbackID());
+            //if (ref.getConversation() != null) {
+            //    ref.attachConversationID(parameters.getConversationID());
+            //}
+        }
+        return ref;
+    }
+}