1 files changed, 111 insertions, 0 deletions
diff --git a/branches/sca-java-1.0/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPResourceServiceBindingProvider.java b/branches/sca-java-1.0/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPResourceServiceBindingProvider.java
new file mode 100644
index 0000000000..640e68c0aa
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+++ b/branches/sca-java-1.0/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPResourceServiceBindingProvider.java
@@ -0,0 +1,111 @@
+/*
+ * 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.http.provider;
+
+import java.net.URL;
+
+import org.apache.tuscany.sca.binding.http.HTTPResourceBinding;
+import org.apache.tuscany.sca.host.http.DefaultResourceServlet;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Implementation of the Echo binding provider.
+ */
+public class HTTPResourceServiceBindingProvider implements ServiceBindingProvider {
+    
+    private RuntimeComponentService service;  
+    private HTTPResourceBinding binding;
+    private MessageFactory messageFactory;
+    private ServletHost servletHost;
+    private String uri; 
+    
+    public HTTPResourceServiceBindingProvider(RuntimeComponent component,
+                                              RuntimeComponentService service,
+                                              HTTPResourceBinding binding,
+                                              MessageFactory messageFactory,
+                                              ServletHost servletHost) {
+        this.service = service;
+        this.binding = binding;
+        this.messageFactory = messageFactory;
+        this.servletHost = servletHost;
+
+        uri = binding.getURI();
+        if (!uri.endsWith("/")) {
+            uri += "/";
+        }
+        if (!uri.endsWith("*")) {
+            uri += "*";
+        }
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return service.getInterfaceContract();
+    }
+    
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+    public void start() {
+
+        // Get the target component implementation, for now we are assuming
+        // that it's an implementation.resource
+        RuntimeComponentService componentService = (RuntimeComponentService) service;
+        RuntimeWire wire = componentService.getRuntimeWire(binding);
+        
+        // Get the getLocationURL invoker
+        Invoker getLocationInvoker = null;
+        for (InvocationChain invocationChain : wire.getInvocationChains()) {
+            String operationName = invocationChain.getSourceOperation().getName();
+            if (operationName.equals("getLocationURL")) {
+                getLocationInvoker = invocationChain.getHeadInvoker();
+            }
+        }
+        if (getLocationInvoker == null) {
+            throw new IllegalStateException("No getLocationURL operation found on target component");
+        }
+
+        // Get the location URL
+        Message message = messageFactory.createMessage();
+        message = getLocationInvoker.invoke(message);
+        URL locationURL = message.getBody();
+        
+        // Register the default resource servlet with the servlet host
+        DefaultResourceServlet resourceServlet = new DefaultResourceServlet(locationURL.toString());
+        servletHost.addServletMapping(uri, resourceServlet);
+        
+    }
+
+    public void stop() {
+        
+        // Unregister from the hosting server
+        servletHost.removeServletMapping(uri);
+    }
+
+}