[민섭] racingGame Step2 구현완료 했습니다.

src/main/java/racinggame/controller/Main.java

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+package racinggame.controller;
+
+import racinggame.model.Car;
+import racinggame.model.RacingGame;
+import racinggame.model.WinnerGenerator;
+import racinggame.util.InputView;
+import racinggame.util.ResultView;
+
+import java.util.List;
+
+public class Main {
+    public static void main(String[] args) {
+        RacingGame racingGame = new RacingGame();
+        WinnerGenerator winnerGenerator = new WinnerGenerator();
+
+        racingGame.settingCar(InputView.inputCar());  //main 에서도 변수를 활용하자 String carNames = InputView.getCarNames(); 처럼
+        List<Car> finishedCars = racingGame.tryAllCarGame(InputView.inputTry()); // 여기서도 InputView.inputTry를 애당초 int tryNo = InputView.getTryNo(); 이런 식으로 활용 했었어야 했다.
+        ResultView.printResult(finishedCars);
+        ResultView.printWinner(winnerGenerator.makeWinners(finishedCars));
+
+        //느낀점 내가 짠 main은 작성한 메소드를 불러오기에만 급급했다. main 내에서도 변수에 할당 하면 좀더 편했을 것 같다.
+    }
+}

src/main/java/racinggame/javajigi_racingGame/RacingMain.java

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+package racinggame.javajigi_racingGame;
+
+import racinggame.javajigi_racingGame.domain.RacingGame;
+import racinggame.javajigi_racingGame.dto.RacingResult;
+import racinggame.javajigi_racingGame.view.InputView;
+import racinggame.javajigi_racingGame.view.ResultView;
+
+public class RacingMain {
+    public static void main(String[] args) {
+        String carNames = InputView.getCarNames();
+        int tryNo = InputView.getTryNo();
+
+        RacingGame racingGame = new RacingGame(carNames);
+        RacingResult result = racingGame.racing(tryNo);
+
+        ResultView.printResult(result);
+    }
+}

src/main/java/racinggame/javajigi_racingGame/domain/Car.java

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+package racinggame.javajigi_racingGame.domain;
+
+import java.util.Objects;
+
+import racinggame.javajigi_racingGame.dto.CarDto;
+import racinggame.javajigi_racingGame.utils.StringUtils;
+
+public class Car {
+    private static final int FORWARD_NUM = 4;
+
+    private String name;
+    private int position = 0;
+
+    public Car(String name) {
+        if (StringUtils.isBlank(name)) {
+            throw new IllegalArgumentException("자동차 이름은 값이 존재해야 합니다.");
+        }
+        this.name = name.trim();
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void move(int number) {
+        if (number >= FORWARD_NUM) {
+            position++;
+        }
+    }
+    public CarDto toCarDto() {
+        return new CarDto(name, position);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Car car = (Car) o;
+        return position == car.position &&
+                Objects.equals(name, car.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, position);
+    }
+
+    @Override
+    public String toString() {
+        return "Car{" +
+                "name='" + name + '\'' +
+                ", position=" + position +
+                '}';
+    }
+}

src/main/java/racinggame/javajigi_racingGame/domain/RacingGame.java

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+package racinggame.javajigi_racingGame.domain;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import racinggame.javajigi_racingGame.dto.RacingResult;
+import racinggame.javajigi_racingGame.utils.RandomValueGenerator;
+import racinggame.javajigi_racingGame.utils.StringUtils;
+
+public class RacingGame {
+    private static final int MAX_BOUND = 10;
+
+    private List<Car> cars = new ArrayList<>();
+
+    public RacingGame(String inputNames) {
+        if (StringUtils.isBlank(inputNames)) {
+            throw new IllegalArgumentException("사용자 이름은 빈 값이 될 수 없습니다.");
+        }
+        this.cars = createCars(inputNames);
+    }
+
+    private static List<Car> createCars(String inputNames) {
+        List<Car> cars = new ArrayList<>();
+        String[] names = inputNames.split(",");
+        for (String name : names) {
+            cars.add(new Car(name));
+        }
+        return cars;
+    }
+
+    public RacingResult racing(int tryNo) {
+        for (int i = 0; i < tryNo; i++) {
+            racingPerTry();
+        }
+        return getResult();
+    }
+
+    private void racingPerTry() {
+        for (Car car: cars) {
+            car.move(RandomValueGenerator.nextInt(MAX_BOUND));
+        }
+    }
+
+    private RacingResult getResult() {
+        RacingResult result = new RacingResult();
+        for (Car car : cars) {
+            result.add(car.toCarDto());
+        }
+        return result;
+    }
+}

src/main/java/racinggame/javajigi_racingGame/dto/CarDto.java

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+package racinggame.javajigi_racingGame.dto;
+
+import java.util.Objects;
+import java.util.stream.IntStream;
+
+public class CarDto {
+    private static final String STATUS_BAR = "-";
+
+    private String name;
+    private int position;
+
+    public CarDto(String name, int position) {
+        this.name = name;
+        this.position = position;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public boolean isMaxPosition(int maxPosition) {
+        return maxPosition == this.position;
+    }
+
+    public String createStatus() {
+        StringBuilder status = new StringBuilder();
+        IntStream.range(0, position).forEach(i -> {
+            status.append(STATUS_BAR);
+        });
+        return status.toString();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        CarDto carDto = (CarDto) o;
+        return position == carDto.position &&
+                Objects.equals(name, carDto.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, position);
+    }
+
+    @Override
+    public String toString() {
+        return "CarDto{" +
+                "name='" + name + '\'' +
+                ", position=" + position +
+                '}';
+    }
+}

src/main/java/racinggame/javajigi_racingGame/dto/RacingResult.java

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+package racinggame.javajigi_racingGame.dto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class RacingResult {
+    private static final String COMMA_SEPARATOR = ",";
+
+    private List<CarDto> cars = new ArrayList<>();
+
+    public void add(CarDto carDto) {
+        cars.add(carDto);
+    }
+
+    public List<CarDto> getCars() {
+        return cars;
+    }
+
+    public String createWinnerNames() {
+        return joinComma(getWinnerNames(getWinners(cars, maxPosition(cars))));
+    }
+
+    public static int maxPosition(List<CarDto> carDtos) {
+        int maxPosition = 0;
+        for (CarDto carDto: carDtos) {
+            if (maxPosition < carDto.getPosition()) {
+                maxPosition = carDto.getPosition();
+            }
+        }
+        return maxPosition;
+    }
+
+    public static List<CarDto> getWinners(List<CarDto> carDtos, int maxPosition) {
+        List<CarDto> winners = new ArrayList<>();
+        for (CarDto carDto: carDtos) {
+            if (carDto.isMaxPosition(maxPosition)) {
+                winners.add(carDto);
+            }
+        }
+        return winners;
+    }
+
+    public static List<String> getWinnerNames(List<CarDto> winners) {
+        List<String> winnerNames = new ArrayList<>();
+        for (CarDto carDto: winners) {
+            winnerNames.add(carDto.getName());
+        }
+        return winnerNames;
+    }
+
+    public static String joinComma(List<String> winnerNames) {
+        return String.join(COMMA_SEPARATOR, winnerNames);
+    }
+}

src/main/java/racinggame/javajigi_racingGame/utils/RandomValueGenerator.java

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+package racinggame.javajigi_racingGame.utils;
+
+import java.util.Random;
+
+public class RandomValueGenerator {
+    private static final Random random = new Random();
+
+    public static int nextInt(int bound) {
+        return random.nextInt(bound);
+    }
+}

src/main/java/racinggame/javajigi_racingGame/utils/StringUtils.java

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+package racinggame.javajigi_racingGame.utils;
+
+public class StringUtils {
+    public static boolean isBlank(String value) {
+        if (value == null || value.isEmpty()) {
+            return true;
+        }
+        return value.trim().isEmpty();
+    }
+}

src/main/java/racinggame/javajigi_racingGame/view/InputView.java

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+package racinggame.javajigi_racingGame.view;
+
+import java.util.Scanner;
+
+public class InputView {
+    private static Scanner scanner = new Scanner(System.in);
+
+    public static String getCarNames() {
+        System.out.println("경주할 자동차 이름을 입력하세요(이름은 쉼표(,)를 기준으로 구분).");
+        return scanner.nextLine();
+    }
+
+    public static int getTryNo() {
+        System.out.println("시도할 회수는 몇회 인가요?");
+        return scanner.nextInt();
+    }
+}

src/main/java/racinggame/javajigi_racingGame/view/ResultView.java

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+package racinggame.javajigi_racingGame.view;
+
+import racinggame.javajigi_racingGame.dto.CarDto;
+import racinggame.javajigi_racingGame.dto.RacingResult;
+
+public class ResultView {
+    public static void printResult(RacingResult result) {
+        System.out.println("실행 결과");
+        for ( CarDto carDto: result.getCars() ) {
+            System.out.println(String.format("%s: %s", carDto.getName(), carDto.createStatus()));
+        }
+        System.out.println(String.format("%s가 최종 우승했습니다", result.createWinnerNames()));
+    }
+}