Update implementtaion.web to save the ComponentContext as a servlet context attribute so applications can get to it in a non-SCA enbaled runtime

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@830271 13f79535-47bb-0310-9956-ffa450edef68

java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/ComponentContextProxy.java

@@ -0,0 +1,85 @@
+/*
+ * 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.implementation.web.runtime;
+
+import java.util.Collection;
+
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.oasisopen.sca.ComponentContext;
+import org.oasisopen.sca.RequestContext;
+import org.oasisopen.sca.ServiceReference;
+
+/**
+ * Proxy ComponentContext wrappering a RuntimeComponent as the
+ * RuntimeComponent ComponentContext has not been created till later 
+ */
+public class ComponentContextProxy implements ComponentContext {
+
+    protected RuntimeComponent runtimeComponent;
+    
+    public ComponentContextProxy(RuntimeComponent runtimeComponent) {
+        this.runtimeComponent = runtimeComponent;
+    }
+    
+    protected ComponentContext getComponentContext() {
+        return runtimeComponent.getComponentContext();
+    }
+
+    public <B, R extends ServiceReference<B>> R cast(B target) throws IllegalArgumentException {
+        return getComponentContext().cast(target);
+    }
+
+    public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface) {
+        return getComponentContext().createSelfReference(businessInterface);
+    }
+
+    public <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, String serviceName) {
+        return getComponentContext().createSelfReference(businessInterface, serviceName);
+    }
+
+    public <B> B getProperty(Class<B> type, String propertyName) {
+        return getComponentContext().getProperty(type, propertyName);
+    }
+
+    public RequestContext getRequestContext() {
+        return getComponentContext().getRequestContext();
+    }
+
+    public <B> B getService(Class<B> businessInterface, String referenceName) {
+        return getComponentContext().getService(businessInterface, referenceName);
+    }
+
+    public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName) {
+        return getComponentContext().getServiceReference(businessInterface, referenceName);
+    }
+
+    public <B> Collection<ServiceReference<B>> getServiceReferences(Class<B> businessInterface, String referenceName) {
+        return getComponentContext().getServiceReferences(businessInterface, referenceName);
+    }
+
+    public <B> Collection<B> getServices(Class<B> businessInterface, String referenceName) {
+        return getComponentContext().getServices(businessInterface, referenceName);
+    }
+
+    public String getURI() {
+        return getComponentContext().getURI();
+    }
+
+}

java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/WebImplementationProviderFactory.java

@@ -45,6 +45,7 @@ public class WebImplementationProviderFactory implements ImplementationProviderF
 
     public ImplementationProvider createImplementationProvider(RuntimeComponent component, WebImplementation implementation) {
         servletHost.setAttribute("org.apache.tuscany.sca.implementation.web.RuntimeComponent", component);
+        servletHost.setAttribute("org.oasisopen.sca.ComponentContext", new ComponentContextProxy(component));
 
         return new ImplementationProvider() {