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Merge pull request #32 from S0L-V/FEAT-방-생성
[FEAT] 방 DTO, DAO 작성 및 생성, 조회 기능 구현
2 parents 53f8bb7 + 829230d commit 07a069d

11 files changed

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‎src/main/java/room/controller/CreateRoomController.java‎

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package room.controller;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import room.dao.RoomDAO;
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import room.dao.RoomDAOImpl;
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@WebServlet("/room/create")
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public class CreateRoomController extends HttpServlet {
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private static final long serialVersionUID = 1L;
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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String hostUserId = request.getParameter("hostUserId");
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String roomName = request.getParameter("roomName");
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String roomPwd = request.getParameter("roomPwd");
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String isPublic = request.getParameter("isPublic");
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String playType = request.getParameter("playType");
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try {
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RoomDAO roomDAO = new RoomDAOImpl();
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roomDAO.createRoom(
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hostUserId,
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roomName,
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roomPwd,
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isPublic,
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playType);
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response.sendRedirect(request.getContextPath() + "/lobby");
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} catch (Exception e) {
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e.printStackTrace();
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throw new ServletException("방 생성 실패", e);
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}
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}
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}

‎src/main/java/room/controller/CreateRoomFormController.java‎

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package room.controller;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@WebServlet("/lobby/room/create")
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public class CreateRoomFormController extends HttpServlet {
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private static final long serialVersionUID = 1L;
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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request.getRequestDispatcher("/WEB-INF/views/room/create.jsp")
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.forward(request, response);
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}
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}

‎src/main/java/room/controller/ViewRoomListController.java‎

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package room.controller;
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import java.io.IOException;
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import java.util.List;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import room.dao.RoomDAO;
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import room.dao.RoomDAOImpl;
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import room.dto.RoomDTO;
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@WebServlet("/lobby")
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public class ViewRoomListController extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private final RoomDAO roomDAO = new RoomDAOImpl();
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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try {
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List<RoomDTO> roomList = roomDAO.getRoomList();
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request.setAttribute("roomList", roomList);
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request.getRequestDispatcher("/WEB-INF/views/lobby.jsp").forward(request, response);
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return;
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} catch (Exception e) {
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throw new ServletException("방 목록 조회를 실패하였습니다.", e);
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}
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}
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}

‎src/main/java/room/dao/RoomDAO.java‎

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package room.dao;
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import java.util.List;
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import room.dto.RoomDTO;
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public interface RoomDAO {
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List<RoomDTO> getRoomList() throws Exception;
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RoomDTO createRoom(
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String hostUserId,
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String roomName,
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String roomPwd,
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String isPublic,
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String playType) throws Exception;
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}

‎src/main/java/room/dao/RoomDAOImpl.java‎

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package room.dao;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Types;
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import java.util.ArrayList;
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import java.util.List;
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import room.dto.RoomDTO;
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import util.DB;
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import util.Uuid;
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public class RoomDAOImpl implements RoomDAO {
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@Override
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public List<RoomDTO> getRoomList() throws Exception {
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String query = """
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SELECT
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id,
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host_user_id,
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room_name,
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is_public,
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play_type,
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total_user_cnt,
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current_user_cnt,
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created_at
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FROM room
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""";
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List<RoomDTO> list = new ArrayList<>();
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try (
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Connection conn = DB.getConnection();
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PreparedStatement pstmt = conn.prepareStatement(query);
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ResultSet rs = pstmt.executeQuery()) {
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while (rs.next()) {
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list.add(mapToRoom(rs));
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return list;
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}
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@Override
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public RoomDTO createRoom(String hostUserId, String roomName, String roomPwd, String isPublic, String playType)
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throws Exception {
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String id = Uuid.generate();
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int totalUserCnt = playType.equals("0") ? 2 : 4;
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String query = """
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INSERT INTO room
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(id, host_user_id, room_name, room_pwd, is_public, play_type, current_user_cnt, total_user_cnt)
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VALUES
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(?, ?, ?, ?, ?, ?, 0, ?)
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""";
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try (
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Connection conn = DB.getConnection();
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PreparedStatement pstmt = conn.prepareStatement(query)) {
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pstmt.setString(1, id);
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pstmt.setString(2, hostUserId);
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pstmt.setString(3, roomName);
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pstmt.setString(5, isPublic);
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pstmt.setString(6, playType);
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pstmt.setInt(7, totalUserCnt);
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if (isPublic.equals("0")) {
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pstmt.setNull(4, Types.VARCHAR);
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} else {
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pstmt.setString(4, roomPwd);
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}
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pstmt.executeUpdate();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return RoomDTO.builder()
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.id(id)
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.hostUserId(hostUserId)
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.roomName(roomName)
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.isPublic(isPublic)
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.playType(playType)
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.totalUserCnt(totalUserCnt)
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.currentUserCnt(0)
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.build();
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}
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private RoomDTO mapToRoom(ResultSet rs) throws SQLException {
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return RoomDTO.builder()
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.id(rs.getString("id"))
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.hostUserId(rs.getString("host_user_id"))
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.roomName(rs.getString("room_name"))
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.isPublic(rs.getString("is_public"))
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.playType(rs.getString("play_type"))
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.totalUserCnt(rs.getInt("total_user_cnt"))
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.currentUserCnt(rs.getInt("current_user_cnt"))
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.build();
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}
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}

‎src/main/java/room/dto/RoomDTO.java‎

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package room.dto;
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import lombok.Builder;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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@Builder
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public class RoomDTO {
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private String id;
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private String hostUserId;
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private String roomName;
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private String roomPwd;
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private String isPublic; // 0: 공개, 1: 비밀방
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private String playType; // 0: 개인, 1: 팀전
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private int totalUserCnt;
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private int currentUserCnt;
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private String createdAt;
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}

‎src/main/java/util/Uuid.java‎

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package util;
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import java.util.UUID;
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public class Uuid {
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public static String generate() {
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return UUID.randomUUID().toString();
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}
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}

‎src/main/webapp/WEB-INF/views/lobby.jsp‎

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<%@ page contentType="text/html; charset=UTF-8" %>
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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>로비</title>
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<link rel="stylesheet"
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href="${pageContext.request.contextPath}/static/lobby/lobby.css">
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</head>
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<body>
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<h2>🎮 오목 로비</h2>
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<form action="${pageContext.request.contextPath}/lobby/room/create" method="get">
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<button type="submit">방 생성</button>
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</form>
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<br/>
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<table>
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<thead>
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<tr>
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<th>방 이름</th>
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<th>공개 여부</th>
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<th>게임 타입</th>
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<th>인원</th>
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<th>입장</th>
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</tr>
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</thead>
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<tbody>
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<c:choose>
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<c:when test="${empty roomList}">
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<tr>
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<td colspan="5">현재 생성된 방이 없습니다.</td>
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</tr>
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</c:when>
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<c:otherwise>
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<c:forEach var="room" items="${roomList}">
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<tr>
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<td>${room.roomName}</td>
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<td>
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<c:choose>
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<c:when test="${room.isPublic == 1}">공개</c:when>
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<c:otherwise>비공개 🔒</c:otherwise>
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</c:choose>
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</td>
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<td>
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<c:choose>
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<c:when test="${room.playType == 0}">개인전</c:when>
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<c:otherwise>팀전</c:otherwise>
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</c:choose>
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</td>
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<td>
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${room.currentUserCnt} / ${room.totalUserCnt}
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</td>
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<td>
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<form action="${pageContext.request.contextPath}/room/enter" method="get">
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<input type="hidden" name="roomId" value="${room.id}" />
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<button type="submit">입장</button>
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</form>
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</td>
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</tr>
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</c:forEach>
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</c:otherwise>
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</c:choose>
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</tbody>
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</table>
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</body>
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</html>

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