Moonjunwoong

docs/README.md

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+* 사용자 입력
+
+차량 개수, 반복할 횟수
+- camp.nextstep.edu.missionutils.Console의 readLine()를 통해 입력받기
+- 숫자가 아닌 다른 값을 입력할 경우 IllegalArgumentException 발생 후 종료
+
+* 자동차 이름
+- camp.nextstep.edu.missionutils.Console의 readLine()를 통해 입력받기
+- 자동차 이름은 쉼표(,)를 기준으로 구분
+- 잘못된 값을 입력할 경우 IllegalArgumentException 발생 후 종료
+
+
+* 난수 생성
+
+- 0~9 사이의 난수
+- 난수 생성은 camp.nextstep.edu.missionutils.Randoms의 pickNumberInRange()를 통해 생성
+
+
+코드 구조
+
+* Controller
+  - 게임이 돌아가기 위한 Controller
+
+* Model
+  - 게임을 위한 메세지를 담고 있는 Message
+  - 게임을 위한 차 모델 Car
+
+* Service
+  - 입력 등 게임을 위한 GameManager
+  - 차 이름을 입력받기 위한 InputCarsNameService
+  - 반복 횟수를 입력받기 위한 InputTryNumberService
+
+* Util
+  - 이름 예외처리를 도와주는 CheckNameException
+  - 숫자 예외처리를 도와주는 CheckNumberException

src/main/java/racingcar/Application.java

@@ -1,7 +1,16 @@
 package racingcar;
 
+
+import racingcar.Controller.RacingGame;
+import racingcar.Service.GameManager;
+
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+
+        GameManager gameManager = new GameManager();
+
+        RacingGame racingGame = new RacingGame(gameManager.inputCarsName(),gameManager.inputTryNumber());
+
+        racingGame.playRacingGame();
     }
 }

src/main/java/racingcar/Controller/RacingGame.java

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+package racingcar.Controller;
+
+import racingcar.Model.Car;
+import racingcar.Model.Message;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class RacingGame {
+
+    private List<Car> cars;
+    private int number;
+
+    public RacingGame(List<String> cars, int number) {
+        setCars(cars);
+        this.number = number;
+    }
+
+    public List<Car> getCars() {
+        return cars;
+    }
+
+    private void setCars(List<String> carsName){
+        this.cars = new ArrayList<Car>();
+        for(String name : carsName){
+            cars.add(new Car(name));
+        }
+    }
+
+    private void playRacingRound(){
+        for(Car car : cars){
+            car.move();
+        }
+        System.out.println();
+    }
+
+    public void playRacingGame(){
+        System.out.println(Message.GAME_RESULT);
+        for (int i=0; i<number; i++){
+            playRacingRound();
+        }
+        System.out.print(Message.OUTPUT_WINNER);
+        System.out.println(winnerMaxDistance());
+    }
+
+    public String winnerMaxDistance(){
+        int maxDistance = getMaxDistance();
+        return this.cars
+                .stream()
+                .filter(car-> car.getPosition() == maxDistance)
+                .map(Car::getName)
+                .collect(Collectors.joining(", "));
+    }
+
+    public int getMaxDistance(){
+        return this.cars.stream()
+                .mapToInt(car -> car.getPosition())
+                .max()
+                .orElse(0);
+    }
+
+}

src/main/java/racingcar/Model/Car.java

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+package racingcar.Model;
+
+import camp.nextstep.edu.missionutils.Randoms;
+
+public class Car {
+
+    private String name;
+    private int position;
+
+    public Car(String name) {
+        this.name = name;
+        this.position = 0;
+    }
+
+    public int createRandomNumber() {
+        return Randoms.pickNumberInRange(0, 9);
+    }
+
+    public void move(){
+        if(createRandomNumber()>=4){
+            position++;
+        }
+        System.out.println(toString());
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public String toString(){
+        return this.name + " : " + "-".repeat(this.position)+ "\n";
+    }
+}

src/main/java/racingcar/Model/Message.java

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+package racingcar.Model;
+
+public class Message {
+
+    public static final String INPUT_CARS_NAME = "경주할 자동차 이름을 입력하세요(이름은 쉼표(,)를 기준으로 구분).";
+    public static final String INPUT_TRY_NUMBER = "시도할 회수는 몇회인가요?";
+    public static final String GAME_RESULT = "실행 결과";
+    public static final String OUTPUT_WINNER = "최종 우승자 : ";
+
+}

src/main/java/racingcar/Service/GameManager.java

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+package racingcar.Service;
+
+import racingcar.Model.Message;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class GameManager {
+
+    InputCarsNameService InputCarsName = new InputCarsNameService();
+    InputTryNumberService InputTryNumber = new InputTryNumberService();
+
+    public List<String> inputCarsName(){
+        ArrayList<String> carsName = new ArrayList<>();
+        Collections.addAll(carsName, InputCarsName.inputStringCarsName());
+        return carsName;
+    }
+
+    public int inputTryNumber(){
+        System.out.println(Message.INPUT_TRY_NUMBER);
+        return InputTryNumber.input();
+    }
+}

src/main/java/racingcar/Service/InputCarsNameService.java

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+package racingcar.Service;
+
+import camp.nextstep.edu.missionutils.Console;
+import racingcar.Model.Message;
+import racingcar.Util.CheckNameException;
+
+public class InputCarsNameService {
+
+    public String[] inputStringCarsName() {
+        System.out.println(Message.INPUT_CARS_NAME);
+        return InputString();
+    }
+
+    private String[] InputString() {
+        String CarsName = Console.readLine();
+        CheckNameException.carsNameExceptionCheck(CarsName);
+        return splitCarsNameByDelimiter(CarsName);
+    }
+
+    private String[] splitCarsNameByDelimiter(String CarsName){
+        return CarsName.split(",");
+    }
+}

src/main/java/racingcar/Service/InputTryNumberService.java

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+package racingcar.Service;
+
+import camp.nextstep.edu.missionutils.Console;
+import racingcar.Util.CheckNumberException;
+
+public class InputTryNumberService {
+
+    public int input(){
+        String input = Console.readLine();
+        CheckNumberException.numberValidation(input);
+        return Integer.parseInt(input);
+    }
+}

src/main/java/racingcar/Util/CheckNameException.java

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+package racingcar.Util;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class CheckNameException {
+
+    public static void carsNameExceptionCheck(String input){
+        carsNameLengthCheck(input);
+        carsNameContainBlank(input);
+        carsNameisEmpty(input);
+        carNameEqualCheck(input);
+    }
+
+    public static void carsNameLengthCheck(String input){
+        for (String name : input.split(",")) {
+            if (name.length() > 5) {
+                throw new IllegalArgumentException("자동차 이름 길이를 초과하였습니다");
+            }
+        }
+    }
+
+    private static void carsNameContainBlank(String input){
+        if(input.contains(" ")){
+            throw new IllegalArgumentException("공백이 포함되어 있습니다");
+        }
+    }
+
+    private static void carsNameisEmpty(String input){
+        if(input.isEmpty()){
+            throw new IllegalArgumentException("값을 입력해 주세요");
+        }
+    }
+
+    public static void carNameEqualCheck(String input){
+        Set<String> carName = new HashSet<>();
+        for(String name : input.split(",")){
+            if(!carName.add(name)){
+                throw new IllegalArgumentException("중복된 이름 입니다.");
+            }
+        }
+    }
+}

src/main/java/racingcar/Util/CheckNumberException.java

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+package racingcar.Util;
+
+public class CheckNumberException {
+    public static void numberValidation(String TryNumber){
+        numberCheck(TryNumber);
+        underPositiveNumber(TryNumber);
+        tryNumberisEmpty(TryNumber);
+    }
+    public static void numberCheck(String input){
+        try {
+            Integer.parseInt(input);
+        }catch (NumberFormatException numberFormatException){
+            throw new IllegalArgumentException("숫자값을 입력해주세요");
+        }
+    }
+    public static void underPositiveNumber(String input){
+        if(Integer.parseInt(input)<= 0){
+            throw new IllegalArgumentException("0보다 큰 값을 입력해주세요");
+        }
+    }
+    private static void tryNumberisEmpty(String input){
+        if(input.isEmpty()){
+            throw new IllegalArgumentException("값을 입력해 주세요");
+        }
+    }
+
+
+}