[자동차 경주] 김연서 미션 제출합니다.

README.md

@@ -1 +1,22 @@
 # java-racingcar-precourse
+
+# 기능 목록
+
+1. 자동차경주 뷰
+   - input, output(차수별, 우승자)
+
+2. 자동차 움직임 뷰
+   - 자동차가 움직이면 그걸 출력하는 뷰
+
+3. 자동차경주 컨트롤러
+   - 입력값 처리 및 자동차 모델에게 전달 및 생성
+   - 자동차 경주 게임 진행
+
+4. 자동차경주 서비스
+   - 예외처리 후 모델에게 전달
+   - 우승자 판별
+   - 1회차 경기 기능
+
+5. 자동차 모델(클래스)
+   - 이름, 좌표 관련 입출력
+   - 좌표 이동 후 뷰에 통보하는 observer

gradle.properties

@@ -0,0 +1 @@
+org.gradle.jvmargs=-Dfile.encoding=UTF-8

src/main/java/racingcar/Application.java

@@ -1,7 +1,24 @@
 package racingcar;
 
+import racingcar.controller.RacingGameController;
+import racingcar.service.RacingGameService;
+import racingcar.view.RacingGameView;
+
+import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
+
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+        new Application().run();
+    }
+
+    public void run(){
+        RacingGameService racingGameService = new RacingGameService();
+        RacingGameView racingGameView = new RacingGameView();
+        RacingGameController racingGameController = new RacingGameController(racingGameView, racingGameService);
+
+        racingGameController.makeCar();
+        racingGameController.runGame();
+        racingGameController.result();
     }
 }

src/main/java/racingcar/controller/RacingGameController.java

@@ -0,0 +1,42 @@
+package racingcar.controller;
+
+import racingcar.service.RacingGameService;
+import racingcar.util.ErrorMessage;
+import racingcar.util.Validator;
+import racingcar.view.RacingGameView;
+
+public class RacingGameController {
+
+    private RacingGameView racingGameView;
+    private RacingGameService racingGameService;
+
+    public RacingGameController(RacingGameView racingGameView, RacingGameService racingGameService){
+        this.racingGameService = racingGameService;
+        this.racingGameView = racingGameView;
+    }
+
+    public void makeCar(){
+        String[] carNames = racingGameView.readName().split(",");
+        for(String name : carNames) racingGameService.addCar(name);
+        racingGameService.addObserver(racingGameView);
+    }
+
+    public void runGame(){
+        String input = racingGameView.readRepeat();
+        if(!Validator.isNumber(input)) throw new IllegalArgumentException(ErrorMessage.WRONG_REPEAT_INPUT.getMessage());
+
+        int repetitionNumber = Integer.parseInt(input);
+        if(repetitionNumber<1)
+        racingGameView.printEndGuide();
+        for (int i=0;i<repetitionNumber;i++) {
+            racingGameService.playOneGame();
+            racingGameView.lineBreak();
+        }
+    }
+
+    public void result(){
+        String winners = racingGameService.checkWinner();
+        racingGameView.printFinalWinner(winners);
+
+    }
+}

src/main/java/racingcar/model/Car.java

@@ -0,0 +1,36 @@
+package racingcar.model;
+
+import racingcar.util.ErrorMessage;
+
+public class Car {
+    private String name;
+    private int position;
+    private CarObserver observer;
+
+    public Car(String name){
+        setName(name);
+        this.position = 0;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        if(name.length()>5) throw new IllegalArgumentException(ErrorMessage.TOO_LONG.getMessage());
+        this.name = name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public void addPosition(int dice) {
+        if(dice>3) this.position++;
+        observer.onCarMove(name, position);
+    }
+
+    public void setObserver(CarObserver observer) {
+        this.observer = observer;
+    }
+}

src/main/java/racingcar/model/CarObserver.java

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+package racingcar.model;
+
+public interface CarObserver {
+    void onCarMove(String carName, int position);
+}

src/main/java/racingcar/service/RacingGameService.java

@@ -0,0 +1,41 @@
+package racingcar.service;
+
+import racingcar.model.Car;
+import racingcar.model.CarObserver;
+
+import java.net.CacheRequest;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static camp.nextstep.edu.missionutils.Randoms.pickNumberInRange;
+
+public class RacingGameService {
+    private List<Car> cars = new ArrayList<>();
+
+    public void addCar(String carName){
+        Car car = new Car(carName);
+        cars.add(car);
+    }
+
+    public void addObserver(CarObserver carObserver){
+        cars.forEach(car->car.setObserver(carObserver));
+    }
+
+    public void playOneGame(){
+        for(Car car : cars) car.addPosition(pickNumberInRange(0,9));
+    }
+
+    public String checkWinner(){
+        Optional<Integer> maxValue = cars.stream().map(Car::getPosition).max(Integer::compareTo);
+
+        String maxPositionCars = cars.stream()
+                .filter(n -> maxValue.isPresent() && n.getPosition()==maxValue.get())
+                .map(Car::getName)
+                .collect(Collectors.joining(", "));
+
+        return maxPositionCars;
+    }
+}

src/main/java/racingcar/util/ErrorMessage.java

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+package racingcar.util;
+
+public enum ErrorMessage {
+    TOO_LONG("이름 5자 초과"),
+    WRONG_REPEAT_INPUT("입력 반복 횟수는 1 이상의 숫자여야합니다.");
+
+
+    private String message;
+
+    ErrorMessage(String message){this.message = message;}
+
+    public String getMessage() {
+        return "Error: "+message;
+    }
+}

src/main/java/racingcar/util/SystemMessage.java

@@ -0,0 +1,17 @@
+package racingcar.util;
+
+public enum SystemMessage {
+    START_NAME_GUIDE("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)"),
+    START_REPEAT_GUIDE("시도할 회수는 몇 회인가요?"),
+    RESULT_GUIDE("실행 결과"),
+    RESULT_WINNER("최종 우승자 : ");
+
+
+    private String message;
+
+    SystemMessage(String message){this.message = message;}
+
+    public String getMessage() {
+        return this.message;
+    }
+}

src/main/java/racingcar/util/Validator.java

@@ -0,0 +1,10 @@
+package racingcar.util;
+
+import java.util.regex.Pattern;
+
+public class Validator {
+    public static boolean isNumber(String arg){
+        if(arg == null || !arg.matches("\\d+")) return false;
+        return true;
+    }
+}

src/main/java/racingcar/view/RacingGameView.java

@@ -0,0 +1,37 @@
+package racingcar.view;
+
+import camp.nextstep.edu.missionutils.Console;
+import racingcar.model.CarObserver;
+import racingcar.util.SystemMessage;
+
+public class RacingGameView implements CarObserver {
+
+    public String readName(){
+        System.out.println(SystemMessage.START_NAME_GUIDE.getMessage());
+        return Console.readLine();
+    }
+
+    public String readRepeat(){
+        System.out.println(SystemMessage.START_REPEAT_GUIDE.getMessage());
+        return Console.readLine();
+    }
+
+    public void lineBreak(){
+        System.out.println("");
+    }
+
+    public void printEndGuide(){
+        System.out.println(SystemMessage.RESULT_GUIDE.getMessage());
+    }
+
+    public void printFinalWinner(String winner){
+        System.out.println(SystemMessage.RESULT_WINNER.getMessage() + winner);
+    }
+
+    @Override
+    public void onCarMove(String carName, int position){
+        //뷰가 모델과 분리되어야해서 인스턴스 말고 각각 보내는게 좋다 함.
+        String message = carName + " : " + "-".repeat(position);
+        System.out.println(message);
+    }
+}