From fdad8684e8fa32cc4d449615af3860119edd5e08 Mon Sep 17 00:00:00 2001
From: antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>
Date: Fri, 27 Nov 2009 08:58:06 +0000
Subject: Change implementation-web to have an extension point to support
 pluggable clients instead of having impl-web-client be a replacement impl-web
 runtime

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@884790 13f79535-47bb-0310-9956-ffa450edef68
---
 .../web/runtime/ClientExtensionPoint.java          | 30 +++++++++++++++++++
 .../runtime/WebImplementationProviderFactory.java  | 35 ++++++++++++++--------
 2 files changed, 52 insertions(+), 13 deletions(-)
 create mode 100644 sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/ClientExtensionPoint.java

(limited to 'sca-java-2.x/trunk/modules/implementation-web-runtime')

diff --git a/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/ClientExtensionPoint.java b/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/ClientExtensionPoint.java
new file mode 100644
index 0000000000..ed66c6efed
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/ClientExtensionPoint.java
@@ -0,0 +1,30 @@
+/*
+ * 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 org.apache.tuscany.sca.implementation.web.WebImplementation;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public interface ClientExtensionPoint {
+
+    public ImplementationProvider createImplementationProvider(RuntimeComponent component, WebImplementation implementation);
+
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/WebImplementationProviderFactory.java b/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/WebImplementationProviderFactory.java
index ef1e6cd1b9..3dcdd66d77 100644
--- a/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/WebImplementationProviderFactory.java
+++ b/sca-java-2.x/trunk/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/WebImplementationProviderFactory.java
@@ -34,6 +34,7 @@ import org.apache.tuscany.sca.runtime.RuntimeComponentService;
 public class WebImplementationProviderFactory implements ImplementationProviderFactory<WebImplementation> {
 
     private ServletHost servletHost;
+    private ClientExtensionPoint jsClient;
 
     public WebImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
         ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class);
@@ -41,25 +42,33 @@ public class WebImplementationProviderFactory implements ImplementationProviderF
         if (!hosts.isEmpty()) {
             this.servletHost = hosts.get(0);
         }
+        
+        jsClient = extensionPoints.getExtensionPoint(ClientExtensionPoint.class);
     }
 
     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() {
-            
-            public Invoker createInvoker(RuntimeComponentService arg0, Operation arg1) {
-                throw new UnsupportedOperationException("Components using implementation.web have no services");
-            }
-            public void start() {
-            }
-            public void stop() {
-            }
-            public boolean supportsOneWayInvocation() {
-                return false;
-            }
-        };
+        ImplementationProvider impl;
+        if (jsClient != null && implementation.getJSClient()) {
+            impl = jsClient.createImplementationProvider(component, implementation);
+        } else {
+            impl = new ImplementationProvider() {
+                
+                public Invoker createInvoker(RuntimeComponentService arg0, Operation arg1) {
+                    throw new UnsupportedOperationException("Components using implementation.web have no services");
+                }
+                public void start() {
+                }
+                public void stop() {
+                }
+                public boolean supportsOneWayInvocation() {
+                    return false;
+                }
+            };
+        }
+        return impl;
     }
     
     public Class<WebImplementation> getModelType() {
-- 
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