1 files changed, 130 insertions, 0 deletions
diff --git a/sandbox/old/distribution/sca/tsss-demo/demo.app/src/main/java/org/apache/tuscany/demo/app/CalculatorHandler.java b/sandbox/old/distribution/sca/tsss-demo/demo.app/src/main/java/org/apache/tuscany/demo/app/CalculatorHandler.java
new file mode 100644
index 0000000000..771f0828ca
--- /dev/null
+++ b/sandbox/old/distribution/sca/tsss-demo/demo.app/src/main/java/org/apache/tuscany/demo/app/CalculatorHandler.java
@@ -0,0 +1,130 @@
+/*
+ * 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.demo.app;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.core.component.SimpleWorkContext;
+import org.apache.tuscany.core.implementation.PojoWorkContextTunnel;
+import org.apache.tuscany.core.implementation.java.JavaComponent;
+import org.apache.tuscany.spi.component.ComponentManager;
+import org.apache.tuscany.spi.component.InstanceWrapper;
+import org.apache.tuscany.spi.component.ScopeContainer;
+import org.apache.tuscany.spi.component.TargetResolutionException;
+import org.apache.tuscany.spi.host.ServletHost;
+import org.osoa.sca.annotations.EagerInit;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Service;
+
+import calculator.CalculatorService;
+
+/**
+ * @version $Revision$ $Date$
+ */
+@SuppressWarnings("serial")
+@EagerInit
+@Service(Servlet.class) 
+public class CalculatorHandler extends HttpServlet {
+    
+    // Calculator service
+    private ComponentManager componentManager;
+    
+    /**
+     * Injects the servlet host.
+     * 
+     * @param servletHost Servlet host to use.
+     */
+    @Reference
+    public void setServletHost(ServletHost servletHost) {
+        servletHost.registerMapping("/calculate", this);        
+    }
+    
+    /**
+     * Injects the calculator.
+     * 
+     * @param componentManager Component manager.
+     */
+    @Reference
+    public void setComponentManager(ComponentManager componentManager) {
+        this.componentManager = componentManager;
+    }
+    
+    /**
+     * Processes the request.
+     * 
+     * @param req Servlet request.
+     * @param res Servlet response.
+     * @throws ServletException Servlet exception.
+     * @throws IOException IO Exception.
+     */
+    protected void process(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
+        
+        
+        try {
+            
+            PojoWorkContextTunnel.setThreadWorkContext(new SimpleWorkContext());
+            
+            URI calculatorServiceUri = new URI("tuscany://./domain/CalculatorServiceComponent");
+            
+            JavaComponent javaComponent = (JavaComponent) componentManager.getComponent(calculatorServiceUri);
+            
+            ScopeContainer scopeContainer = javaComponent.getScopeContainer();
+            InstanceWrapper wrapper = scopeContainer.getWrapper(javaComponent, new URI("tuscany://./domain"));
+            CalculatorService calculatorService = (CalculatorService) wrapper.getInstance();
+            double op1 = Double.parseDouble(req.getParameter("op1"));
+            double op2 = Double.parseDouble(req.getParameter("op2"));
+            double result = calculatorService.add(op1, op2);
+            
+            PrintWriter writer = res.getWriter();
+            writer.println("Result: " + result);
+            writer.flush();
+            writer.close();
+        } catch (URISyntaxException ex) {
+            throw new ServletException(ex);
+        } catch (TargetResolutionException ex) {
+            throw new ServletException(ex);
+        }
+    }
+    
+    /**
+     * Handles get requests.
+     */
+    @Override
+    protected final void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
+        process(req, res);
+    }
+
+    /**
+     * Handles post request.
+     */
+    @Override
+    protected final void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
+        process(req, res);
+    }
+
+}