[지하철 노선도 미션] 최슬기 미션 제출합니다.

src/main/java/log/ErrorCase.java

@@ -0,0 +1,12 @@
+package log;
+
+public class ErrorCase {
+
+    public static final String FUNCTION_INPUT_ERROR = "선택할 수 없는 기능입니다. ";
+    public static final String ALREADY_EXIST_ERROR = "이미 등록된 역/노선 이름입니다. ";
+    public static final String NAME_LENGTH_ERROR = "역/노선의 이름은 최소 2자 이상이어야 합니다. ";
+    public static final String NO_SUCH_NAME_ERROR = "등록되지 않은 역/노선 이름입니다. ";
+    public static final String INVALID_POSITION_ERROR = "잘못된 위치값입니다. ";
+    public static final String HAS_IN_LINE_ERROR = "노선에 등록된 역은 삭제할 수 없습니다. ";
+    public static final String TERMINAL_LENGTH_ERROR = "노선의 역 수는 2개 이상이어야 합니다. ";
+}

src/main/java/log/Logger.java

@@ -0,0 +1,69 @@
+package log;
+
+import static log.ErrorCase.FUNCTION_INPUT_ERROR;
+
+import java.util.List;
+import java.util.Scanner;
+
+public class Logger {
+    public static final String LEVEL_GUIDE = "\n## ";
+    public static final String LEVEL_ERROR = "\n[ERROR] ";
+    public static final String LEVEL_INFO = "\n[INFO] ";
+
+    public static void guidePrint(String errorBody) {
+        System.out.print(LEVEL_GUIDE + errorBody);
+    }
+
+    public static void errorPrint(String errorBody) {
+        System.out.println(LEVEL_ERROR + errorBody);
+    }
+
+    public static void infoPrint(String infoBody) {
+        System.out.print(LEVEL_INFO + infoBody);
+    }
+
+    public static void displayMainScreen() {
+        System.out.println("\n## 메인 화면\n"
+            + "1. 역 관리\n"
+            + "2. 노선 관리\n"
+            + "3. 구간 관리\n"
+            + "4. 지하철 노선도 출력\n"
+            + "Q. 종료");
+    }
+
+    public static String displayInputScreen(Scanner scanner, List<String> whiteList) {
+        String input;
+        while (true) {
+            guidePrint("원하는 기능을 선택하세요.\n");
+            input = scanner.next();
+            if (whiteList.contains(input)) {
+                break;
+            }
+            errorPrint(FUNCTION_INPUT_ERROR);
+        }
+        return input;
+    }
+
+    public static void displayStationManageScreen() {
+        System.out.println("\n## 역 관리 화면\n"
+            + "1. 역 등록\n"
+            + "2. 역 삭제\n"
+            + "3. 역 조회\n"
+            + "B. 돌아가기");
+    }
+
+    public static void displayLineManageScreen() {
+        System.out.println("\n## 노선 관리 화면\n"
+            + "1. 노선 등록\n"
+            + "2. 노선 삭제\n"
+            + "3. 노선 조회\n"
+            + "B. 돌아가기");
+    }
+
+    public static void displaySectionManageScreen() {
+        System.out.println("\n## 구간 관리 화면\n"
+            + "1. 구간 등록\n"
+            + "2. 구간 삭제\n"
+            + "B. 돌아가기");
+    }
+}

src/main/java/subway/Application.java

@@ -1,10 +1,75 @@
 package subway;
 
+import static log.Logger.displayInputScreen;
+import static log.Logger.displayMainScreen;
+import static subway.LineManage.linaManage;
+import static subway.SectionManage.sectionManage;
+import static subway.StationManage.stationManage;
+import static subway.domain.LineRepository.addLine;
+import static subway.domain.StationRepository.addStation;
+import static subway.domain.StationRepository.getStationByName;
+import static subway.routeMap.routeMapPrint;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.LinkedList;
 import java.util.Scanner;
+import subway.domain.Line;
+import subway.domain.Station;
 
 public class Application {
+
+    static final String STATION_MANAGE = "1";
+    static final String LINE_MANAGE = "2";
+    static final String SECTION_MANAGE = "3";
+    static final String ALL_INFO = "4";
+    static final String EXIT = "Q";
+
     public static void main(String[] args) {
         final Scanner scanner = new Scanner(System.in);
-        // TODO: 프로그램 구현
+        initSetting();
+        boolean exitFlag = false;
+        while (!exitFlag) {
+            displayMainScreen();
+            exitFlag = isExit(scanner);
+        }
+    }
+
+    private static void initSetting() {
+        final ArrayList<String> initStations = new ArrayList<>(
+            Arrays.asList("교대역", "강남역", "역삼역", "남부터미널역", "양재역", "양재시민의숲역", "매봉역"));
+
+        for (String stationName : initStations) {
+            addStation(new Station(stationName));
+        }
+        addLine(new Line("2호선", new LinkedList<Station>(Arrays.asList(
+            getStationByName("교대역"), getStationByName("강남역"), getStationByName("역삼역")))));
+        addLine(new Line("3호선", new LinkedList<Station>(Arrays.asList(
+            getStationByName("교대역"), getStationByName("남부터미널역"), getStationByName("양재역"),
+            getStationByName("매봉역")))));
+        addLine(new Line("신분당선", new LinkedList<Station>(Arrays.asList(
+            getStationByName("강남역"), getStationByName("양재역"), getStationByName("양재시민의숲역")))));
+    }
+
+    private static boolean isExit(Scanner scanner) {
+        String input = displayInputScreen(scanner, new ArrayList<>(Arrays.asList(
+            STATION_MANAGE, LINE_MANAGE, SECTION_MANAGE, ALL_INFO, EXIT)));
+
+        if (input.equals(EXIT)) {
+            return true;
+        }
+        if (input.equals(STATION_MANAGE)) {
+            stationManage(scanner);
+        }
+        if (input.equals(LINE_MANAGE)) {
+            linaManage(scanner);
+        }
+        if (input.equals(SECTION_MANAGE)) {
+            sectionManage(scanner);
+        }
+        if (input.equals(ALL_INFO)) {
+            routeMapPrint();
+        }
+        return false;
     }
 }

src/main/java/subway/LineManage.java

@@ -0,0 +1,126 @@
+package subway;
+
+import static log.ErrorCase.ALREADY_EXIST_ERROR;
+import static log.ErrorCase.NAME_LENGTH_ERROR;
+import static log.ErrorCase.NO_SUCH_NAME_ERROR;
+import static log.Logger.displayInputScreen;
+import static log.Logger.displayLineManageScreen;
+import static log.Logger.errorPrint;
+import static log.Logger.guidePrint;
+import static log.Logger.infoPrint;
+import static subway.domain.LineRepository.addLine;
+import static subway.domain.LineRepository.deleteLineByName;
+import static subway.domain.LineRepository.hasLine;
+import static subway.domain.LineRepository.lines;
+import static subway.domain.StationRepository.hasStation;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Scanner;
+import subway.domain.Line;
+import subway.domain.Station;
+
+public class LineManage {
+
+    static final String ADD_LINE = "1";
+    static final String DELETE_LINE = "2";
+    static final String ALL_LINES = "3";
+    static final String BACK_SCREEN = "B";
+    static final int MIN_LINE_NAME_LENGTH = 2;
+
+    static public void linaManage(Scanner scanner) {
+        boolean exitFlag = false;
+        while (!exitFlag) {
+            displayLineManageScreen();
+            exitFlag = isExit(scanner);
+        }
+    }
+
+    private static boolean isExit(Scanner scanner) {
+        String input = displayInputScreen(scanner, new ArrayList<>(Arrays.asList(
+            ADD_LINE, DELETE_LINE, ALL_LINES, BACK_SCREEN)));
+        if (input.equals(ADD_LINE)) {
+            return addLineControl(scanner);
+        }
+        if (input.equals(DELETE_LINE)) {
+            return deleteLineControl(scanner);
+        }
+        if (input.equals(ALL_LINES)) {
+            return allLinesControl();
+        }
+        return input.equals(BACK_SCREEN);
+    }
+
+    private static boolean addLineControl(Scanner scanner) {
+        guidePrint("등록할 노선 이름을 입력하세요. \n");
+        String lineName = scanner.next();
+        if (!validateLineName(lineName)) {
+            return false;
+        }
+        guidePrint("등록할 노선의 상행 종점역 이름을 입력하세요. \n");
+        String upwardTerminal = scanner.next();
+        if (!validateTerminalName(upwardTerminal)) {
+            return false;
+        }
+        guidePrint("등록할 노선의 하행 종점역 이름을 입력하세요. \n");
+        String downWardTerminal = scanner.next();
+        if (!validateTerminalName(downWardTerminal)) {
+            return false;
+        }
+        addLine(new Line(lineName, new Station(upwardTerminal), new Station(downWardTerminal)));
+        infoPrint("지하철 노선이 등록되었습니다. \n");
+        return true;
+    }
+
+    private static boolean deleteLineControl(Scanner scanner) {
+        guidePrint("삭제할 노선 이름을 입력하세요. \n");
+        String lineName = scanner.next();
+        if (!lineExists(lineName)) {
+            errorPrint(NO_SUCH_NAME_ERROR);
+            return false;
+        }
+        deleteLineByName(lineName);
+        infoPrint("지하철 노선이 삭제되었습니다. \n");
+        return true;
+    }
+
+    private static boolean allLinesControl() {
+        guidePrint("노선 목록");
+        List<Line> allLines = lines();
+        for (Line line : allLines) {
+            line.printName();
+        }
+        System.out.println();
+        return true;
+    }
+
+    private static boolean validateLineName(String lineName) {
+        if (!lineNameLengthValidate(lineName)) {
+            errorPrint(NAME_LENGTH_ERROR);
+            return false;
+        }
+        if (lineExists(lineName)) {
+            errorPrint(ALREADY_EXIST_ERROR);
+            return false;
+        }
+        return true;
+    }
+
+    private static boolean validateTerminalName(String terminalName) {
+        if (!hasStation(terminalName)) {
+            errorPrint(NO_SUCH_NAME_ERROR);
+            return false;
+        }
+        return true;
+    }
+
+    private static boolean lineNameLengthValidate(String lineName) {
+        return lineName.length() >= MIN_LINE_NAME_LENGTH;
+    }
+
+    private static boolean lineExists(String lineName) {
+        return hasLine(lineName);
+    }
+
+}