1 files changed, 85 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/operationselector/provider/HTTPRPCServiceOperationSelectorInterceptor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPRPCServiceOperationSelectorInterceptor.java
new file mode 100644
index 0000000000..915399bb4e
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+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPRPCServiceOperationSelectorInterceptor.java
@@ -0,0 +1,85 @@
+/*
+ * 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.operationselector.provider;
+
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.tuscany.sca.common.http.HTTPContext;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Interceptor;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.oasisopen.sca.ServiceRuntimeException;
+
+/**
+ * Sets the operation based on the request path.
+ * 
+ * From a url: http://localhost:8080/HelloworldComponent/Helloworld/sayHello?name=Petra
+ * where the component is HelloworldComponent and the service is Helloworld
+ * the path will be "/sayHello" so the operation is "sayHello".
+ * 
+ * TODO: we could also do something similar to how the JMS binding supports
+ *       a single "onMessage" method to get all requests, so perhaps this could
+ *       also support impls with method: service(HttpServletRequest, HttpServletResponse)
+ */
+public class HTTPRPCServiceOperationSelectorInterceptor implements Interceptor {
+
+    private Invoker next;
+    private List<Operation> operations;
+    
+    public HTTPRPCServiceOperationSelectorInterceptor(RuntimeEndpoint endpoint) {
+        Interface serviceInterface = endpoint.getService().getInterfaceContract().getInterface();
+        this.operations = serviceInterface.getOperations();
+    }
+
+    @Override
+    public Message invoke(Message msg) {
+        HTTPContext context = msg.getBindingContext();
+        HttpServletRequest request = context.getHttpRequest();
+        String path = request.getPathInfo();
+        if (path.startsWith("/")) {
+            path = path.substring(1);
+        }
+
+        for (Operation op : operations) {
+            if (op.getName().equals(path)) {
+                msg.setOperation(op);
+                return next.invoke(msg);
+            }
+        }
+        
+        throw new ServiceRuntimeException("No matching operation: " + path);
+    }
+
+    @Override
+    public void setNext(Invoker next) {
+        this.next = next;
+    }
+
+    @Override
+    public Invoker getNext() {
+        return next;
+    }
+
+}