1 files changed, 127 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.1/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPResourceServiceBindingProvider.java b/sca-java-1.x/branches/sca-java-1.1/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPResourceServiceBindingProvider.java
new file mode 100644
index 0000000000..ca7a73bf58
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.1/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPResourceServiceBindingProvider.java
@@ -0,0 +1,127 @@
+/*
+ * 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.io.File;
+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 servletMapping;
+    
+    public HTTPResourceServiceBindingProvider(RuntimeComponent component,
+                                              RuntimeComponentService service,
+                                              HTTPResourceBinding binding,
+                                              MessageFactory messageFactory,
+                                              ServletHost servletHost) {
+        this.service = service;
+        this.binding = binding;
+        this.messageFactory = messageFactory;
+        this.servletHost = servletHost;
+    }
+
+    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();
+        
+        // If resource is a file, register the parent dir
+        try {
+            if( locationURL.getProtocol().equals("file")) {
+                File fileLocation = new File(locationURL.toURI());
+                if (fileLocation.isFile()) {
+                    File parent = new File(fileLocation.getParent());
+                    locationURL = parent.toURL();
+                }                
+            }
+        }catch(Exception e) {
+            throw new IllegalStateException("Invalid getLocationURL, could not retrieve parent folder");
+        }
+        
+        // Register the default resource servlet with the servlet host
+        DefaultResourceServlet resourceServlet = new DefaultResourceServlet(locationURL.toString());
+
+        servletMapping = binding.getURI();
+        if (!servletMapping.endsWith("/")) {
+            servletMapping += "/";
+        }
+        if (!servletMapping.endsWith("*")) {
+            servletMapping += "*";
+        }
+        servletHost.addServletMapping(servletMapping, resourceServlet);
+        
+        // Save the actual binding URI in the binding
+        binding.setURI(servletHost.getURLMapping(binding.getURI()).toString());
+    }
+
+    public void stop() {
+        
+        // Unregister from the hosting server
+        servletHost.removeServletMapping(servletMapping);
+    }
+
+}