Add Sample

Fixes #8

samples/web/src/main/java/Config.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2002-2013 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+import org.springframework.session.Session;
+import org.springframework.session.data.redis.RedisOperationsSessionRepository;
+import org.springframework.session.web.SessionRepositoryFilter;
+import redis.clients.jedis.Protocol;
+import redis.embedded.RedisServer;
+
+/**
+ * @author Rob Winch
+ */
+@Configuration
+public class Config {
+
+	@Bean
+	public RedisServerBean redisServer() {
+		return new RedisServerBean();
+	}
+
+	class RedisServerBean implements InitializingBean, DisposableBean {
+		private RedisServer redisServer;
+
+
+		@Override
+		public void afterPropertiesSet() throws Exception {
+			redisServer = new RedisServer(Protocol.DEFAULT_PORT);
+			redisServer.start();
+		}
+
+		@Override
+		public void destroy() throws Exception {
+			if(redisServer != null) {
+				redisServer.stop();
+			}
+		}
+	}
+
+	@Bean
+	public JedisConnectionFactory connectionFactory() throws Exception {
+		return new JedisConnectionFactory();
+	}
+
+	@Bean
+	public RedisTemplate<String,Session> redisTemplate(RedisConnectionFactory connectionFactory) {
+		RedisTemplate<String, Session> template = new RedisTemplate<String, Session>();
+		template.setKeySerializer(new StringRedisSerializer());
+		template.setHashKeySerializer(new StringRedisSerializer());
+		template.setConnectionFactory(connectionFactory);
+		return template;
+	}
+
+	@Bean
+	public RedisOperationsSessionRepository sessionRepository(RedisTemplate<String, Session> redisTemplate) {
+		return new RedisOperationsSessionRepository(redisTemplate);
+	}
+
+	@Bean
+	public SessionRepositoryFilter sessionFilter(RedisOperationsSessionRepository sessionRepository) {
+		return new SessionRepositoryFilter(sessionRepository);
+	}
+}

samples/web/src/main/java/Initializer.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2002-2013 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+
+import org.springframework.web.context.AbstractContextLoaderInitializer;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+import org.springframework.web.filter.DelegatingFilterProxy;
+
+import javax.servlet.DispatcherType;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import java.util.EnumSet;
+
+/**
+ * @author Rob Winch
+ */
+public class Initializer extends AbstractContextLoaderInitializer {
+	@Override
+	public void onStartup(ServletContext servletContext) throws ServletException {
+		super.onStartup(servletContext);
+		servletContext.addFilter("sessionFilter", DelegatingFilterProxy.class)
+				.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), false, "/*");
+	}
+
+	@Override
+	protected WebApplicationContext createRootApplicationContext() {
+		AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+		context.register(Config.class);
+		return context;
+	}
+}

samples/web/src/main/java/SessionServlet.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2002-2013 the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * @author Rob Winch
+ */
+@WebServlet("/session")
+public class SessionServlet extends HttpServlet {
+	@Override
+	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+		String attributeName = req.getParameter("attributeName");
+		String attributeValue = req.getParameter("attributeValue");
+		req.getSession().setAttribute(attributeName, attributeValue);
+		resp.sendRedirect(req.getContextPath() + "/");
+	}
+}

samples/web/src/main/webapp/index.jsp

@@ -0,0 +1,48 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <title>Session Attributes</title>
+    <link rel="stylesheet" href="assets/bootstrap.min.css">
+    <style type="text/css">
+        body {
+            padding: 1em;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h1>Description</h1>
+        <p>This application demonstrates how to use a Redis instance to back your sesion. Notice that there is no JSESSIONID cookie. We are also able to customize the way of identifying what the requested session id is.</p>
+
+        <h1>Try it</h1>
+
+        <form class="form-inline" role="form" action="./session" method="post">
+            <label for="attributeValue">Attribute Name</label>
+            <input id="attributeValue" type="text" name="attributeName"/>
+            <label for="attributeValue">Attribute Value</label>
+            <input id="attributeValue" type="text" name="attributeValue"/>
+            <input type="submit" value="Set Attribute"/>
+        </form>
+
+        <hr/>
+
+        <table class="table table-striped">
+            <thead>
+            <tr>
+                <th>Attribte Name</th>
+                <th>Attribte Value</th>
+            </tr>
+            </thead>
+            <tbody>
+            <c:forEach items="${sessionScope}" var="attr">
+                <tr>
+                    <td><c:out value="${attr.key}"/></td>
+                    <td><c:out value="${attr.value}"/></td>
+                </tr>
+            </c:forEach>
+            </tbody>
+        </table>
+    </div>
+</body>
+</html>