BAEL-89 Adding spring session tutorial code.

spring-session/jetty-ex/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.baeldung</groupId>
+    <artifactId>jetty-ex</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.4.0.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jetty</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.session</groupId>
+            <artifactId>spring-session</artifactId>
+            <version>1.2.1.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+    </dependencies>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>Brixton.RELEASE</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.3</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

spring-session/jetty-ex/src/main/java/com/baeldung/spring/session/tomcatex/JettyWebApplication.java

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+package com.baeldung.spring.session.tomcatex;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@SpringBootApplication
+@RestController
+public class JettyWebApplication {
+        public static void main(String[] args) {
+                SpringApplication.run(JettyWebApplication.class, args);
+        }
+
+        @RequestMapping
+        public String helloJetty() {
+                return "hello Jetty";
+        }
+}

spring-session/jetty-ex/src/main/java/com/baeldung/spring/session/tomcatex/SecurityConfig.java

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+package com.baeldung.spring.session.tomcatex;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.http.SessionCreationPolicy;
+
+@Configuration
+@EnableWebSecurity
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+
+        @Override
+        protected void configure(HttpSecurity http) throws Exception {
+                http
+                        .sessionManagement()
+                                .sessionCreationPolicy(SessionCreationPolicy.NEVER)
+                                .and()
+                        .authorizeRequests().anyRequest().hasRole("ADMIN").and()
+                        .httpBasic().disable();
+        }
+}

spring-session/jetty-ex/src/main/java/com/baeldung/spring/session/tomcatex/SessionConfig.java

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+package com.baeldung.spring.session.tomcatex;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
+import org.springframework.session.web.context.AbstractHttpSessionApplicationInitializer;
+import org.springframework.session.web.http.HeaderHttpSessionStrategy;
+import org.springframework.session.web.http.HttpSessionStrategy;
+
+@Configuration
+@EnableRedisHttpSession
+public class SessionConfig extends AbstractHttpSessionApplicationInitializer {
+        @Bean
+        public HttpSessionStrategy httpSessionStrategy() {
+                return new HeaderHttpSessionStrategy();
+        }
+}

spring-session/jetty-ex/src/main/resources/application.properties

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+server.port=8081
+
+spring.redis.host=localhost
+spring.redis.port=6379

spring-session/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>spring-session</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <modules>
+        <module>jetty-ex</module>
+        <module>tomcat-ex</module>
+    </modules>
+</project>

spring-session/tomcat-ex/pom.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.baeldung</groupId>
+    <artifactId>tomcat-ex</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.4.0.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-zuul</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.session</groupId>
+            <artifactId>spring-session</artifactId>
+            <version>1.2.1.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-redis</artifactId>
+        </dependency>
+    </dependencies>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>Brixton.RELEASE</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.3</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

spring-session/tomcat-ex/src/main/java/com/baeldung/spring/session/tomcatex/SecurityConfig.java

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+package com.baeldung.spring.session.tomcatex;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@Configuration
+@EnableWebSecurity
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+
+        @Autowired
+        public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
+                auth.inMemoryAuthentication()
+                        .withUser("user").password("password").roles("USER").and()
+                        .withUser("admin").password("password").roles("ADMIN");
+        }
+
+        @Override
+        protected void configure(HttpSecurity http) throws Exception {
+                http
+                        .httpBasic().and()
+//                        .csrf().disable()
+                        .authorizeRequests()
+                                .antMatchers("/").permitAll()
+                                .antMatchers("/tomcat").hasRole("USER")
+                                .antMatchers("/tomcat/admin").hasRole("ADMIN")
+                                .anyRequest().authenticated();
+        }
+}

spring-session/tomcat-ex/src/main/java/com/baeldung/spring/session/tomcatex/SessionConfig.java

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+package com.baeldung.spring.session.tomcatex;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
+import org.springframework.session.web.context.AbstractHttpSessionApplicationInitializer;
+
+@Configuration
+@EnableRedisHttpSession
+public class SessionConfig extends AbstractHttpSessionApplicationInitializer {
+}

spring-session/tomcat-ex/src/main/java/com/baeldung/spring/session/tomcatex/TomcatWebApplication.java

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+package com.baeldung.spring.session.tomcatex;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@SpringBootApplication
+@RestController
+public class TomcatWebApplication {
+        public static void main(String[] args) {
+                SpringApplication.run(TomcatWebApplication.class, args);
+        }
+
+        @RequestMapping
+        public String helloDefault() {
+                return "hello default";
+        }
+
+        @RequestMapping("/tomcat")
+        public String helloTomcat() {
+                return "hello tomcat";
+        }
+
+        @RequestMapping("/tomcat/admin")
+        public String helloTomcatAdmin() {
+                return "hello tomcat admin";
+        }
+}

spring-session/tomcat-ex/src/main/resources/application.properties

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+spring.redis.host=localhost
+spring.redis.port=6379