Add session-jdbc sample

Closes gh-27

session-jdbc/README.md

@@ -0,0 +1 @@
+Tests the session persistence and cookie customization from Spring Session together with Spring Session JDBC and Spring Web.

session-jdbc/build.gradle

@@ -0,0 +1,21 @@
+plugins {
+	id 'java'
+	id 'org.springframework.boot'
+	id 'org.springframework.aot.smoke-test'
+	id 'org.graalvm.buildtools.native'
+}
+
+dependencies {
+	implementation(platform(org.springframework.boot.gradle.plugin.SpringBootPlugin.BOM_COORDINATES))
+	implementation("org.springframework.boot:spring-boot-starter-web")
+	implementation("com.h2database:h2")
+	implementation("org.springframework.session:spring-session-jdbc:3.0.0-SNAPSHOT")
+
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+
+	aotTestImplementation(project(":aot-smoke-test-support"))
+}
+
+aotSmokeTest {
+	webApplication = true
+}

session-jdbc/src/aotTest/java/com/example/session/jdbc/SessionJdbcApplicationTests.java

@@ -0,0 +1,24 @@
+package com.example.session.jdbc;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.aot.smoketest.support.junit.AotSmokeTest;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+@AotSmokeTest
+public class SessionJdbcApplicationTests {
+
+	@Test
+	void shouldIncreaseCounter(WebTestClient client) {
+		AtomicReference<String> sessionId = new AtomicReference<>();
+		client.get().uri("/counter").exchange().expectCookie().value("SESSIONCOOKIE", sessionId::set).expectBody()
+				.jsonPath("$.counter").isEqualTo(1);
+		client.get().uri("/counter").cookie("SESSIONCOOKIE", sessionId.get()).exchange().expectBody()
+				.jsonPath("$.counter").isEqualTo(2);
+		client.get().uri("/counter").cookie("SESSIONCOOKIE", sessionId.get()).exchange().expectBody()
+				.jsonPath("$.counter").isEqualTo(3);
+	}
+
+}

session-jdbc/src/main/java/com/example/session/jdbc/CounterController.java

@@ -0,0 +1,28 @@
+package com.example.session.jdbc;
+
+import java.util.Map;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpSession;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping(value = "/counter", produces = MediaType.APPLICATION_JSON_VALUE)
+public class CounterController {
+
+	@GetMapping
+	public Map<String, Integer> counter(HttpServletRequest request) {
+		HttpSession session = request.getSession();
+		if (session.getAttribute("counter") == null) {
+			session.setAttribute("counter", 1);
+		}
+		int counter = (int) session.getAttribute("counter");
+		session.setAttribute("counter", counter + 1);
+		return Map.of("counter", counter);
+	}
+
+}

session-jdbc/src/main/java/com/example/session/jdbc/SessionConfig.java

@@ -0,0 +1,20 @@
+package com.example.session.jdbc;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.session.web.http.CookieSerializer;
+import org.springframework.session.web.http.DefaultCookieSerializer;
+
+@Configuration
+public class SessionConfig {
+
+	@Bean
+	public CookieSerializer cookieSerializer() {
+		DefaultCookieSerializer serializer = new DefaultCookieSerializer();
+		serializer.setCookieName("SESSIONCOOKIE");
+		serializer.setCookiePath("/");
+		serializer.setDomainNamePattern("^.+?\\.(\\w+\\.[a-z]+)$");
+		return serializer;
+	}
+
+}

session-jdbc/src/main/java/com/example/session/jdbc/SessionJdbcApplication.java

@@ -0,0 +1,13 @@
+package com.example.session.jdbc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SessionJdbcApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SessionJdbcApplication.class, args);
+	}
+
+}

session-jdbc/src/test/java/com/example/session/jdbc/SessionJdbcApplicationTests.java

@@ -0,0 +1,15 @@
+package com.example.session.jdbc;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+public class SessionJdbcApplicationTests {
+
+	@Test
+	void contextLoads() {
+
+	}
+
+}

settings.gradle

@@ -60,6 +60,7 @@ include "security-method"
 include "security-thymeleaf"
 include "security-webflux"
 include "security-webmvc"
+include "session-jdbc"
 include "session-redis-webflux"
 include "spring-amqp-rabbit"
 include "spring-kafka"