From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Thu, 26 Sep 2013 20:33:20 +0000
Subject: 2.0 branch for possible maintenance release

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68
---
 ...DefaultServiceOperationSelectorInterceptor.java | 105 +++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java

(limited to 'sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java')

diff --git a/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java
new file mode 100644
index 0000000000..4950ea2563
--- /dev/null
+++ b/sca-java-2.x/branches/2.0/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/operationselector/provider/HTTPDefaultServiceOperationSelectorInterceptor.java
@@ -0,0 +1,105 @@
+/*
+ * 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;
+
+/**
+ * HTTP Binding Default operation selector, which would map 
+ * http method (GET, PUT, POST, DELETE) to operations matching
+ * those name. It also supports plain servlet using 'service' 
+ * to provide the component functionality.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class HTTPDefaultServiceOperationSelectorInterceptor implements Interceptor {
+
+    private Invoker next;
+    private List<Operation> operations;
+    
+    public HTTPDefaultServiceOperationSelectorInterceptor(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();
+        
+        Operation operation = findOperation(request.getMethod());
+        if(operation == null) {
+            operation = findOperation("service");
+        }
+        
+        if(operation == null) {
+            throw new ServiceRuntimeException("No matching operation for " + request.getMethod());
+        }
+        msg.setOperation(operation);
+        return next.invoke(msg);        
+    }
+
+    @Override
+    public void setNext(Invoker next) {
+        this.next = next;
+    }
+
+    @Override
+    public Invoker getNext() {
+        return next;
+    }
+
+    
+
+    /**
+     * Find the operation from the component service contract
+     * @param componentService
+     * @param method
+     * @return
+     */
+    private Operation findOperation(String method) {
+        if (method.contains(".")) {
+            method = method.substring(method.lastIndexOf(".") + 1);
+        }
+
+        Operation result = null;
+        for (Operation o : operations) {
+            if (o.isDynamic())
+                return o;
+            if (o.getName().equalsIgnoreCase(method)) {
+                result = o;
+                break;
+            }
+        }
+
+        return result;
+    }
+}
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