1 files changed, 175 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java
new file mode 100644
index 0000000000..6d23bfd329
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java
@@ -0,0 +1,175 @@
+/*
+ * 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 javax.servlet.Servlet;
+
+import org.apache.tuscany.sca.binding.http.HTTPBinding;
+import org.apache.tuscany.sca.binding.http.operationselector.HTTPDefaultOperationSelector;
+import org.apache.tuscany.sca.binding.http.wireformat.HTTPDefaultWireFormat;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+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.MessageFactory;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.provider.EndpointProvider;
+import org.apache.tuscany.sca.provider.OperationSelectorProvider;
+import org.apache.tuscany.sca.provider.OperationSelectorProviderFactory;
+import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
+import org.apache.tuscany.sca.provider.WireFormatProvider;
+import org.apache.tuscany.sca.provider.WireFormatProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+
+/**
+ * Implementation of an HTTP binding provider.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPServiceBindingProvider implements EndpointProvider {
+    private ExtensionPointRegistry extensionPoints;
+    
+    private RuntimeEndpoint endpoint;
+    private HTTPBinding binding;
+    private MessageFactory messageFactory;
+    private OperationSelectorProvider osProvider;
+    private WireFormatProvider wfProvider;
+    private ServletHost servletHost;
+    private String servletMapping;
+    private InterfaceContract interfaceContract;
+   
+    public HTTPServiceBindingProvider(RuntimeEndpoint endpoint,
+                                      ExtensionPointRegistry extensionPoints,
+                                      MessageFactory messageFactory,
+                                      ServletHost servletHost) {
+    	
+    	this.endpoint = endpoint;
+        this.binding = (HTTPBinding)endpoint.getBinding();
+        
+        this.extensionPoints = extensionPoints;
+        this.messageFactory = messageFactory;
+        this.servletHost = servletHost;
+        
+        if (binding.getOperationSelector() == null) {
+            binding.setOperationSelector(new HTTPDefaultOperationSelector());
+        }
+        if (binding.getRequestWireFormat() == null) {
+            binding.setRequestWireFormat(new HTTPDefaultWireFormat());
+        }
+        if (binding.getResponseWireFormat() == null) {
+            binding.setResponseWireFormat(new HTTPDefaultWireFormat());
+        }
+        
+        ProviderFactoryExtensionPoint  providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class);
+        
+        if (binding.getOperationSelector() != null) {
+            // Configure the interceptors for operation selection
+            OperationSelectorProviderFactory osProviderFactory = (OperationSelectorProviderFactory) providerFactories.getProviderFactory(binding.getOperationSelector().getClass());
+            if (osProviderFactory != null) {
+                this.osProvider = osProviderFactory.createServiceOperationSelectorProvider(endpoint);
+            }            
+        }
+        
+        if (binding.getRequestWireFormat() != null && binding.getResponseWireFormat() != null) {
+            // Configure the interceptors for wire format
+            WireFormatProviderFactory wfProviderFactory = (WireFormatProviderFactory) providerFactories.getProviderFactory(binding.getRequestWireFormat().getClass());
+            if (wfProviderFactory != null) {
+                this.wfProvider = wfProviderFactory.createServiceWireFormatProvider(endpoint);
+            }            
+        }
+
+        //clone the service contract to avoid databinding issues
+        try {
+            interfaceContract = (InterfaceContract)endpoint.getComponentServiceInterfaceContract().clone();
+            
+            // configure data binding
+            if (this.wfProvider != null) {
+                wfProvider.configureWireFormatInterfaceContract(interfaceContract);
+            }
+        } catch(CloneNotSupportedException e) {
+            // shouldn't happen
+        }
+        
+        servletMapping = binding.getURI();
+        if (!servletMapping.endsWith("/")) {
+            servletMapping += "/";
+        }
+        if (!servletMapping.endsWith("*")) {
+            servletMapping += "*";
+        }
+    }
+
+    public void start() {
+
+        /**
+         * Consider three scenarios here :
+         *  - Default servlet using service level operation
+         *  - Default servlet using GET, PUT, POST, DELETE operations mapped to interface names with same name
+         *  - RPC over HTTP like : http://localhost:8080/HelloworldComponent/Helloworld/sayHello?name=Petra
+         */
+        if (binding.getOperationSelector() == null || binding.getRequestWireFormat() == null || binding.getResponseWireFormat() == null) {
+            throw new IllegalStateException("Binding operation selector and/or wire formats not properly setup.");
+        }
+        
+        Servlet servlet = new HTTPBindingServiceServlet(endpoint, messageFactory);
+        
+        // Create our HTTP service listener Servlet and register it with the
+        // Servlet host
+        servletMapping = binding.getURI();
+        if (!servletMapping.endsWith("/")) {
+            servletMapping += "/";
+        }
+        if (!servletMapping.endsWith("*")) {
+            servletMapping += "*";
+        }
+        
+        String deployedURI = servletHost.addServletMapping(servletMapping, servlet);
+        endpoint.setDeployedURI(deployedURI);
+    }
+    
+    public void stop() {        
+        servletHost.removeServletMapping(servletMapping);
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return interfaceContract;
+    }
+    
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+    
+    /**
+     * Add specific http interceptor to invocation chain
+     */
+    public void configure() {
+        InvocationChain bindingChain = endpoint.getBindingInvocationChain();
+
+        if(osProvider != null) {
+            bindingChain.addInterceptor(Phase.SERVICE_BINDING_OPERATION_SELECTOR, osProvider.createInterceptor());    
+        }
+
+        if (wfProvider != null) {
+            bindingChain.addInterceptor(Phase.SERVICE_BINDING_WIREFORMAT, wfProvider.createInterceptor());
+        }
+
+    }
+
+}