Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

spring-session/spring-session-jdbc/src/main/java/com/baeldung/springsessionjdbc/SpringSessionJdbcApplication.java

@@ -0,0 +1,12 @@
+package com.baeldung.springsessionjdbc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringSessionJdbcApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringSessionJdbcApplication.class, args);
+    }
+}

spring-session/spring-session-jdbc/src/main/java/com/baeldung/springsessionjdbc/controller/SpringSessionJdbcController.java

@@ -0,0 +1,45 @@
+package com.baeldung.springsessionjdbc.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import java.util.ArrayList;
+import java.util.List;
+
+@Controller
+public class SpringSessionJdbcController {
+
+    @GetMapping("/")
+    public String index(Model model, HttpSession session) {
+        List<String> favoriteColors = getFavColors(session);
+        model.addAttribute("favoriteColors", favoriteColors);
+        model.addAttribute("sessionId", session.getId());
+        return "index";
+    }
+
+    @PostMapping("/saveColor")
+    public String saveMessage(@RequestParam("color") String color, HttpServletRequest request) {
+        List<String> favoriteColors = getFavColors(request.getSession());
+        if (!StringUtils.isEmpty(color)) {
+            favoriteColors.add(color);
+            request
+              .getSession()
+              .setAttribute("favoriteColors", favoriteColors);
+        }
+        return "redirect:/";
+    }
+
+    private List<String> getFavColors(HttpSession session) {
+        List<String> favoriteColors = (List<String>) session.getAttribute("favoriteColors");
+        if (favoriteColors == null) {
+            favoriteColors = new ArrayList<>();
+        }
+        return favoriteColors;
+    }
+}

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

@@ -0,0 +1,3 @@
+spring.session.store-type=jdbc
+spring.h2.console.enabled=true
+spring.h2.console.path=/h2-console

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

@@ -0,0 +1,13 @@
+<?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>