From 5d3d98ff3f62f528da46315463451b36a68fd433 Mon Sep 17 00:00:00 2001
From: antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 28 Jul 2008 13:26:17 +0000
Subject: Start of a sample using implementation.web

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@680347 13f79535-47bb-0310-9956-ffa450edef68
---
 java/sca/samples/helloworld-servlet/pom.xml        | 74 ++++++++++++++++++++++
 .../src/main/java/sample/HelloworldService.java    |  7 ++
 .../main/java/sample/HelloworldServiceImpl.java    |  9 +++
 .../src/main/java/sample/HelloworldServlet.java    | 64 +++++++++++++++++++
 .../webapp/META-INF/sca-deployables/web.composite  | 33 ++++++++++
 .../src/main/webapp/WEB-INF/web.xml                | 42 ++++++++++++
 .../helloworld-servlet/src/main/webapp/hello.html  | 46 ++++++++++++++
 7 files changed, 275 insertions(+)
 create mode 100644 java/sca/samples/helloworld-servlet/pom.xml
 create mode 100644 java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldService.java
 create mode 100644 java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServiceImpl.java
 create mode 100644 java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServlet.java
 create mode 100644 java/sca/samples/helloworld-servlet/src/main/webapp/META-INF/sca-deployables/web.composite
 create mode 100644 java/sca/samples/helloworld-servlet/src/main/webapp/WEB-INF/web.xml
 create mode 100644 java/sca/samples/helloworld-servlet/src/main/webapp/hello.html

diff --git a/java/sca/samples/helloworld-servlet/pom.xml b/java/sca/samples/helloworld-servlet/pom.xml
new file mode 100644
index 0000000000..251f513a3b
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>1.4-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>sample-helloworld-servlet</artifactId>
+    <packaging>war</packaging>
+    <name>Apache Tuscany SCA Helloworld Sample using a servlet</name>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-sca-api</artifactId>
+            <version>1.4-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-host-webapp</artifactId>
+            <version>1.4-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-web</artifactId>
+            <version>1.4-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-java-runtime</artifactId>
+            <version>1.4-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.3</version>
+            <scope>provided</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+       <finalName>${artifactId}</finalName>
+    </build>
+
+</project>
diff --git a/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldService.java b/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldService.java
new file mode 100644
index 0000000000..2b92fd4661
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldService.java
@@ -0,0 +1,7 @@
+package sample;
+
+public interface HelloworldService {
+	
+	String sayHello(String name);
+
+}
diff --git a/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServiceImpl.java b/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServiceImpl.java
new file mode 100644
index 0000000000..28d78c5ca8
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServiceImpl.java
@@ -0,0 +1,9 @@
+package sample;
+
+public class HelloworldServiceImpl implements HelloworldService {
+
+	public String sayHello(String name) {
+		return "Hello " + name;
+	}
+
+}
diff --git a/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServlet.java b/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServlet.java
new file mode 100644
index 0000000000..7448308ca7
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/src/main/java/sample/HelloworldServlet.java
@@ -0,0 +1,64 @@
+/*
+ * 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 sample;
+
+import java.io.IOException;
+import java.io.Writer;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.osoa.sca.annotations.Reference;
+
+/**
+ */
+public class HelloworldServlet extends HttpServlet {
+	private static final long serialVersionUID = 1L;
+
+    @Reference
+    protected HelloworldService helloworldService;
+
+    @Override
+    public void init(ServletConfig config) {
+    	/*
+    	 * TODO: obviously Tuscany should be creating the service, either
+    	 * from the @Reference annotation or perhaps for non-SCA runtimes something like:
+    	 *    ComponentContext context = ComponentContext.getContext(config);
+    	 *    helloworldService = context.getService("helloworldService", HelloworldService.class);
+    	 */
+    	helloworldService = new HelloworldServiceImpl();
+    }
+	
+    @Override
+    protected void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
+
+    	String name = request.getParameter("name");
+    	String greeting = helloworldService.sayHello(name);
+    	
+        Writer out = response.getWriter();
+        out.write("<html><head><title>Apache Tuscany Helloworld Servlet Sample</title></head><body>");
+        out.write("<h2>Apache Tuscany Helloworld Servlet Sample</h2>");
+        out.write("<br><strong>Result: </strong>" + greeting);
+        out.write("</body></html>");
+        out.flush();
+        out.close();
+    }
+}
diff --git a/java/sca/samples/helloworld-servlet/src/main/webapp/META-INF/sca-deployables/web.composite b/java/sca/samples/helloworld-servlet/src/main/webapp/META-INF/sca-deployables/web.composite
new file mode 100644
index 0000000000..ed7739085b
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/src/main/webapp/META-INF/sca-deployables/web.composite
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+           targetNamespace="http://samples">
+           name="Helloworld"
+
+    <component name="WebClient>
+        <implementation.web uri=""/>
+        <reference name="helloworldService" target="HelloworldService"/>
+    </component>
+
+    <component name="HelloworldService">
+        <implementation.java class="samples.HelloworldServiceImpl"/>
+    </component>
+
+</composite>
diff --git a/java/sca/samples/helloworld-servlet/src/main/webapp/WEB-INF/web.xml b/java/sca/samples/helloworld-servlet/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..0d72802863
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+
+<web-app version="2.4"
+         xmlns="http://java.sun.com/xml/ns/j2ee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" >
+
+    <display-name>Apache Tuscany Helloworld Servlet Sample</display-name>
+
+    <servlet>
+        <servlet-name>HelloworldServlet</servlet-name>
+        <servlet-class>sample.HelloworldServlet</servlet-class>
+    </servlet>
+
+    <servlet-mapping>
+        <servlet-name>HelloworldServlet</servlet-name>
+        <url-pattern>/HelloworldServlet</url-pattern>
+    </servlet-mapping>
+
+  <welcome-file-list id="WelcomeFileList">
+    <welcome-file>hello.html</welcome-file>
+  </welcome-file-list>
+
+</web-app>
diff --git a/java/sca/samples/helloworld-servlet/src/main/webapp/hello.html b/java/sca/samples/helloworld-servlet/src/main/webapp/hello.html
new file mode 100644
index 0000000000..c4484916aa
--- /dev/null
+++ b/java/sca/samples/helloworld-servlet/src/main/webapp/hello.html
@@ -0,0 +1,46 @@
+<!--
+ * 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.
+-->
+<html>
+
+<head>
+<title>Apache Tuscany Helloworld Servlet Sample</title>
+</head>
+
+<body>
+
+<h2>Apache Tuscany Helloworld Servlet Sample</h2>
+
+<form action="HelloworldServlet" method="post">
+    <table>
+        <tr>
+            <td>Enter your name:</td>
+            <td>
+                <input type="text" name="name" width="10">
+            </td>
+        </tr>
+        <tr>
+            <td align="left" colspan="2">
+                <button name="submit" type="submit">Say hello</button>
+            </td>
+        </tr>
+    </table>
+</form>
+
+</body>
+</html>
\ No newline at end of file
-- 
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