1 files changed, 91 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java b/sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java
new file mode 100644
index 0000000000..bff8c99a45
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java
@@ -0,0 +1,91 @@
+/*
+ * 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.widget.provider;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.implementation.widget.WidgetImplementation;
+import org.apache.tuscany.sca.implementation.widget.WidgetComponentServlet;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.osoa.sca.ServiceRuntimeException;
+
+
+/**
+ * The model representing a resource implementation in an SCA assembly model.
+ */
+class WidgetImplementationProvider implements ImplementationProvider {
+    private RuntimeComponent component;
+    private WidgetImplementation implementation;
+    private ServletHost servletHost;
+    private String servletMapping;
+
+    /**
+     * Constructs a new resource implementation provider.
+     */
+    WidgetImplementationProvider(RuntimeComponent component, WidgetImplementation implementation, ServletHost servletHost) {
+        this.component = component;
+        this.implementation = implementation;
+        
+        this.servletHost = servletHost;
+    }
+
+    public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+        WidgetImplementationInvoker invoker = new WidgetImplementationInvoker(implementation.getLocationURL());
+        return invoker;
+    }
+    
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+    public void start() {
+
+        // Determine the widget URI
+        String widgetURI = null;
+        for (ComponentService componentService: component.getServices()) {
+            if (componentService.getName().equals("Widget")) {
+                if (componentService.getBindings().size() != 0) {
+                    widgetURI = componentService.getBindings().get(0).getURI();
+                }
+                break;
+            }
+        }
+        if (widgetURI == null) {
+            throw new ServiceRuntimeException("Could not find Widget service");
+        }
+        
+        // Register the widget's ComponentServlet under the same URI as the widget
+        String widgetArtifact = implementation.getLocation();
+        widgetArtifact = widgetArtifact.substring(0, widgetArtifact.lastIndexOf('.'));
+        widgetArtifact = widgetArtifact.substring(widgetArtifact.lastIndexOf('/') + 1);
+        servletMapping = widgetURI + "/" + widgetArtifact + ".js";
+        WidgetComponentServlet widgetComponentServlet = new WidgetComponentServlet(component, servletMapping);
+        servletHost.addServletMapping(servletMapping, widgetComponentServlet);        
+    }
+
+    public void stop() {
+        servletHost.removeServletMapping(servletMapping);
+    }
+
+}