Add REST sample

Fixes gh-89

samples/rest/src/main/java/sample/HttpSessionConfig.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2002-2014 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.
+ */
+package sample;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
+import org.springframework.session.web.http.HeaderHttpSessionStrategy;
+import org.springframework.session.web.http.HttpSessionStrategy;
+
+/**
+ * @author Rob Winch
+ */
+@Configuration
+@Import(EmbeddedRedisConfiguration.class) // <1>
+@EnableRedisHttpSession // <2>
+public class HttpSessionConfig {
+
+    @Bean
+    public JedisConnectionFactory connectionFactory() {
+        return new JedisConnectionFactory(); // <3>
+    }
+
+    @Bean
+    public HttpSessionStrategy httpSessionStrategy() {
+        return new HeaderHttpSessionStrategy(); // <4>
+    }
+}