BAEL-2886 Mongodb spring session code

spring-session/spring-session-mongodb/README.md

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+This module is for Spring Session with JDBC tutorial.
+Jira BAEL-1911
+
+### Relevant Articles: 

spring-session/spring-session-mongodb/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>spring-session-jdbc</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-session-jdbc</name>
+    <packaging>jar</packaging>
+    <description>Spring Session with JDBC tutorial</description>
+
+    <parent>
+        <artifactId>parent-boot-2</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.session</groupId>
+            <artifactId>spring-session-jdbc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>${h2.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

spring-session/spring-session-mongodb/src/main/java/springsessionmongodb/SpringSessionMongoDBApplication.java

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+package springsessionmongodb;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringSessionMongoDBApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringSessionMongoDBApplication.class, args);
+    }
+}

spring-session/spring-session-mongodb/src/main/java/springsessionmongodb/controller/SpringSessionMongoDBController.java

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+package springsessionmongodb.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpSession;
+
+@RestController
+public class SpringSessionMongoDBController {
+
+    @GetMapping("/")
+    public String count(HttpSession session) {
+
+        Integer counter = (Integer) session.getAttribute("count");
+
+        if (counter == null) {
+            counter = 0;
+        } else {
+            counter += 1;
+        }
+
+        session.setAttribute("count", counter);
+
+        return "<h1>Count is "+counter+"</h1>";
+    }
+
+}

spring-session/spring-session-mongodb/src/main/resources/application.properties

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+spring.session.store-type=mongodb

spring-session/spring-session-mongodb/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

spring-session/spring-session-mongodb/src/test/java/baeldung/SpringContextIntegrationTest.java

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+package baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import springsessionmongodb.SpringSessionMongoDBApplication;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = SpringSessionMongoDBApplication.class)
+public class SpringContextIntegrationTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}