6주차 미션 / 서버 1조 이준용

build.gradle

@@ -1,46 +1,38 @@
 plugins {
+    id 'org.springframework.boot' version '2.7.17' // 스프링 부트 플러그인 적용
+    id 'io.spring.dependency-management' version '1.0.15.RELEASE' // 의존성 관리 플러그인
     id 'java'
-    id 'idea'
 }
 
-idea {
-    module {
-        inheritOutputDirs = false
-        outputDir = file('./webapp/WEB-INF/classes')
-    }
-}
-
-group 'org.example'
-version '1.0-SNAPSHOT'
+group = 'org.example'
+version = '1.0-SNAPSHOT'
+sourceCompatibility = '11' // 사용하는 자바 버전에 맞게 설정 (예: 11)
 
 repositories {
     mavenCentral()
 }
 
-ext {
-    springVersion = "5.1.8.RELEASE"
-    tomcatVersion = '8.5.42'
-}
-
 dependencies {
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
-    testImplementation "org.springframework:spring-test:$springVersion"
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
+    // 1. Spring Boot Web Starter
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+
+    // 2. Spring Boot Data JPA Starter
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 
-    implementation("org.springframework:spring-jdbc:$springVersion")
-    implementation("org.springframework:spring-web:$springVersion")
-    implementation "org.reflections:reflections:0.10.2"
+    // 3. JSP 템플릿 엔진 사용을 위한 의존성
+    implementation 'org.apache.tomcat.embed:tomcat-embed-jasper'
+    implementation 'javax.servlet:jstl:1.2'
 
-    implementation("org.apache.commons:commons-dbcp2:2.6.0")
+    // 4. 데이터베이스 드라이버 (H2, MySQL 등 필요한 것 사용)
+    runtimeOnly 'com.h2database:h2'
+    runtimeOnly 'mysql:mysql-connector-java'
 
-    runtimeOnly("com.h2database:h2:2.1.214")
-    runtimeOnly('mysql:mysql-connector-java:8.0.28')
+    // 5. Lombok (선택 사항이지만 강력히 추천)
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
 
-    implementation("org.apache.tomcat.embed:tomcat-embed-core:$tomcatVersion")
-    implementation("org.apache.tomcat.embed:tomcat-embed-logging-juli:8.5.2")
-    implementation("org.apache.tomcat.embed:tomcat-embed-jasper:$tomcatVersion")
-    implementation group: 'javax.servlet', name: 'jstl', version: '1.2'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.7.1'
+    // 6. Spring Boot Test Starter
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 
 test {

src/main/java/WebServerLauncher.java

@@ -1,22 +1,28 @@
 import org.apache.catalina.startup.Tomcat;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 
 import java.io.File;
 import java.util.logging.Logger;
 
+@SpringBootApplication
 public class WebServerLauncher {
     private static final Logger logger = Logger.getLogger(WebServerLauncher.class.getName());
 
     public static void main(String[] args) throws Exception {
-        String webappDirLocation = "./webapp/";
-        Tomcat tomcat = new Tomcat();
-        tomcat.setPort(8080);
-        tomcat.getConnector();
+        SpringApplication.run(WebServerLauncher.class, args);
 
-        tomcat.addWebapp("", new File(webappDirLocation).getAbsolutePath());
-        logger.info("configuring app with basedir: " + new File(webappDirLocation).getAbsolutePath());
 
-        tomcat.start();
-        tomcat.getServer().await();
+//        String webappDirLocation = "./webapp/";
+//        Tomcat tomcat = new Tomcat();
+//        tomcat.setPort(8080);
+//        tomcat.getConnector();
+//
+//        tomcat.addWebapp("", new File(webappDirLocation).getAbsolutePath());
+//        logger.info("configuring app with basedir: " + new File(webappDirLocation).getAbsolutePath());
+//
+//        tomcat.start();
+//        tomcat.getServer().await();
     }
 }

src/main/java/core/jdbc/ConnectionManager.java

@@ -1,34 +1,34 @@
-package core.jdbc;
-
-import org.apache.commons.dbcp2.BasicDataSource;
-
-import javax.sql.DataSource;
-import java.sql.Connection;
-import java.sql.SQLException;
-
-public class ConnectionManager {
-    private static final String DB_DRIVER = "org.h2.Driver";
-    private static final String DB_URL = "jdbc:h2:~/jwp-basic";
-    private static final String DB_USERNAME = "sa";
-    private static final String DB_PW = "";
-
-    private static BasicDataSource ds;
-    public static DataSource getDataSource() {
-        if (ds == null) {
-            ds = new BasicDataSource();
-            ds.setDriverClassName(DB_DRIVER);
-            ds.setUrl(DB_URL);
-            ds.setUsername(DB_USERNAME);
-            ds.setPassword(DB_PW);
-        }
-        return ds;
-    }
-
-    public static Connection getConnection() {
-        try {
-            return getDataSource().getConnection();
-        } catch (SQLException e) {
-            throw new IllegalStateException(e);
-        }
-    }
-}
+//package core.jdbc;
+//
+//import org.apache.commons.dbcp2.BasicDataSource;
+//
+//import javax.sql.DataSource;
+//import java.sql.Connection;
+//import java.sql.SQLException;
+//
+//public class ConnectionManager {
+//    private static final String DB_DRIVER = "org.h2.Driver";
+//    private static final String DB_URL = "jdbc:h2:~/jwp-basic";
+//    private static final String DB_USERNAME = "sa";
+//    private static final String DB_PW = "";
+//
+//    private static BasicDataSource ds;
+//    public static DataSource getDataSource() {
+//        if (ds == null) {
+//            ds = new BasicDataSource();
+//            ds.setDriverClassName(DB_DRIVER);
+//            ds.setUrl(DB_URL);
+//            ds.setUsername(DB_USERNAME);
+//            ds.setPassword(DB_PW);
+//        }
+//        return ds;
+//    }
+//
+//    public static Connection getConnection() { // DB의 커넥션 풀 중 커넥션 하나를 받아올 수 있음
+//        try {
+//            return getDataSource().getConnection();
+//        } catch (SQLException e) {
+//            throw new IllegalStateException(e);
+//        }
+//    }
+//}

src/main/java/core/jdbc/JdbcTemplate.java

@@ -0,0 +1,73 @@
+//package core.jdbc;
+//
+//
+//import java.sql.Connection;
+//import java.sql.PreparedStatement;
+//import java.sql.ResultSet;
+//import java.sql.SQLException;
+//import java.sql.Statement;
+//import java.util.ArrayList;
+//import java.util.List;
+//
+//public class JdbcTemplate<T> {
+//
+//    public void update(String sql, PreparedStatementSetter pstmtSetter) throws SQLException {
+//        try (Connection conn = ConnectionManager.getConnection();
+//            PreparedStatement pstmt = conn.prepareStatement(sql);) {
+//
+//            pstmtSetter.setParameters(pstmt);
+//            pstmt.executeUpdate();
+//        }
+//    }
+//
+//    public void update(String sql, PreparedStatementSetter pstmtSetter, KeyHolder holder) throws SQLException {
+//        try (Connection conn = ConnectionManager.getConnection();
+//             PreparedStatement pstmt = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
+//
+//            pstmtSetter.setParameters(pstmt);
+//            pstmt.executeUpdate();
+//
+//            if (holder != null) {
+//                try (ResultSet rs = pstmt.getGeneratedKeys()) {
+//                    if (rs.next()) {
+//                        holder.setId(rs.getLong(1));
+//                    }
+//                }
+//            }
+//        }
+//    }
+//
+//
+//    public List<T> query(String sql, RowMapper<T> rowMapper) throws SQLException {
+//        List<T> objects = new ArrayList<>();
+//
+//        try (Connection conn = ConnectionManager.getConnection();
+//            PreparedStatement pstmt = conn.prepareStatement(sql);
+//            ResultSet rs = pstmt.executeQuery();) {
+//
+//            while (rs.next()) {
+//                T object = rowMapper.mapRow(rs);
+//                objects.add(object);
+//            }
+//        }
+//        return objects;
+//    }
+//
+//    public T queryForObject(String sql, PreparedStatementSetter pstmtSetter, RowMapper<T> rowMapper) throws SQLException {
+//        T object = null;
+//
+//        try(Connection conn = ConnectionManager.getConnection();
+//            PreparedStatement pstmt = conn.prepareStatement(sql);) {
+//            pstmtSetter.setParameters(pstmt);
+//
+//            try (ResultSet rs = pstmt.executeQuery()) {
+//                if (rs.next()) {
+//                    object = rowMapper.mapRow(rs);
+//                }
+//            }
+//        }
+//
+//        return object;
+//    }
+//
+//}

src/main/java/core/jdbc/KeyHolder.java

@@ -0,0 +1,13 @@
+//package core.jdbc;
+//
+//public class KeyHolder {
+//    private long id;
+//
+//    public void setId(long id) {
+//        this.id = id;
+//    }
+//
+//    public long getId() {
+//        return id;
+//    }
+//}

src/main/java/core/jdbc/PreparedStatementSetter.java

@@ -0,0 +1,9 @@
+//package core.jdbc;
+//
+//import java.sql.PreparedStatement;
+//import java.sql.SQLException;
+//
+//@FunctionalInterface
+//public interface PreparedStatementSetter {
+//    void setParameters(PreparedStatement ps) throws SQLException;
+//}

src/main/java/core/jdbc/RowMapper.java

@@ -0,0 +1,12 @@
+//package core.jdbc;
+//
+//import jwp.model.User;
+//
+//import java.sql.ResultSet;
+//import java.sql.SQLException;
+//
+//@FunctionalInterface
+//public interface RowMapper<T> {
+//    T mapRow(ResultSet rs) throws SQLException;
+//
+//}

src/main/java/jwp/controller/Controller.java

@@ -0,0 +1,11 @@
+//package jwp.controller;
+//
+//import javax.servlet.ServletException;
+//import javax.servlet.http.HttpServletRequest;
+//import javax.servlet.http.HttpServletResponse;
+//import java.io.IOException;
+//import java.sql.SQLException;
+//
+//public interface Controller {
+//    String execute(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException;
+//}

src/main/java/jwp/controller/CreateQuestionController.java

@@ -0,0 +1,37 @@
+package jwp.controller;
+
+
+import jwp.model.Question;
+import jwp.model.User;
+import jwp.service.QuestionService;
+import jwp.support.session.UserSessionUtils;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import java.io.IOException;
+import java.sql.SQLException;
+
+@Controller
+@RequestMapping("/qna")
+@RequiredArgsConstructor
+public class CreateQuestionController{
+    private final QuestionService questionService;
+    @PostMapping("/create")
+    public String createQuestion(@RequestParam String title,
+                                 @RequestParam String contents,
+                                 HttpSession session) {
+        User user = UserSessionUtils.getUserFromSession(session);
+        if (user == null) {
+            return "redirect:/user/loginForm";
+        }
+        questionService.createQuestion(user.getUserId(), title, contents);
+        return "redirect:/";
+    }
+}

src/main/java/jwp/controller/CreateQuestionFormController.java

@@ -0,0 +1,21 @@
+package jwp.controller;
+
+import jwp.support.session.UserSessionUtils;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import javax.servlet.http.HttpSession;
+
+@Controller
+@RequestMapping("/qna")
+public class CreateQuestionFormController {
+
+    @GetMapping("/form")
+    public String showForm(HttpSession session) {
+        if (UserSessionUtils.isLogined(session)) {
+            return "qna/form.jsp";
+        }
+        return "redirect:/user/loginForm";
+    }
+}

src/main/java/jwp/controller/CreateUserController.java

@@ -0,0 +1,22 @@
+package jwp.controller;
+
+import jwp.model.User;
+import jwp.service.UserService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("/user")
+@RequiredArgsConstructor
+public class CreateUserController {
+    private final UserService userService;
+
+    @PostMapping("/signup")
+    public String createUser(@ModelAttribute User user) {
+        userService.createUser(user);
+        return "redirect:/user/list";
+    }
+}