1 files changed, 137 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java
new file mode 100644
index 0000000000..82b4c351a3
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java
@@ -0,0 +1,137 @@
+/*
+ * 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.jsonrpc.provider;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.servlet.Servlet;
+
+import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+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.RuntimeEndpoint;
+
+
+/**
+ * Implementation of the JSONRPC Binding Provider for Services
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JSONRPCServiceBindingProvider implements ServiceBindingProvider {
+    private MessageFactory messageFactory;
+    
+    private RuntimeEndpoint endpoint;
+    private RuntimeComponent component;
+    private RuntimeComponentService service;
+    private InterfaceContract serviceContract;
+    private JSONRPCBinding binding;
+    private ServletHost servletHost;
+    private List<String> servletMappings = new ArrayList<String>();
+
+    public JSONRPCServiceBindingProvider(RuntimeEndpoint endpoint,
+                                         MessageFactory messageFactory,
+                                         ServletHost servletHost) {
+        this.endpoint = endpoint;
+        this.component = (RuntimeComponent)endpoint.getComponent();
+        this.service = (RuntimeComponentService)endpoint.getService();
+        this.binding = (JSONRPCBinding) endpoint.getBinding();
+        this.messageFactory = messageFactory;
+        this.servletHost = servletHost;
+        
+        //clone the service contract to avoid databinding issues
+        try {
+            this.serviceContract = (InterfaceContract)service.getInterfaceContract().clone();
+        } catch(CloneNotSupportedException e) {
+            this.serviceContract = service.getInterfaceContract();
+        }
+        
+        JSONRPCDatabindingHelper.setDataBinding(serviceContract.getInterface());
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return serviceContract;
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+    
+    public void start() {
+        // Set default databinding to json
+        // replaced by JSONRPCDatabindingHelper.setDataBinding(serviceContract.getInterface()); above
+        //serviceContract.getInterface().resetDataBinding(JSONDataBinding.NAME);
+
+        // Determine the service business interface
+        Class<?> serviceInterface = getTargetJavaClass(serviceContract.getInterface());
+
+        // Create a Java proxy to the target service
+        Object proxy = component.getComponentContext().getServiceReference(serviceInterface, endpoint).getService();
+
+        // Create and register a Servlet for this service
+        JsonRpcServlet serviceServlet =
+            new JsonRpcServlet(messageFactory, endpoint, serviceInterface, proxy);
+        String mapping = registerServlet(serviceServlet);
+        servletMappings.add(mapping);
+    }
+    
+    public String registerServlet(Servlet servlet) {
+        // Create our HTTP service listener Servlet and register it with the
+        // Servlet host
+        String servletMapping = binding.getURI();
+        if (!servletMapping.endsWith("/")) {
+            servletMapping += "/";
+        }
+        if (!servletMapping.endsWith("*")) {
+            servletMapping += "*";
+        }
+
+        String mappedURI = servletHost.addServletMapping(servletMapping, servlet);
+        String deployedURI = mappedURI;
+        if (deployedURI.endsWith("*")) {
+            deployedURI = deployedURI.substring(0, deployedURI.length() - 1);
+        }
+        binding.setURI(deployedURI);
+        endpoint.setDeployedURI(deployedURI);
+        return mappedURI;
+    }
+
+    public void stop() {
+
+        // Remove the Servlet mappings we've added
+        for (String mapping: servletMappings) {
+            servletHost.removeServletMapping(mapping);
+        }
+
+    }
+
+    private Class<?> getTargetJavaClass(Interface targetInterface) {
+        // TODO: right now assume that the target is always a Java
+        // Implementation. Need to figure out how to generate Java
+        // Interface in cases where the target is not a Java Implementation
+        return ((JavaInterface)targetInterface).getJavaClass();
+    }
+}