java-racingcar(songpang)

README.md

@@ -1,5 +1,52 @@
 # 미션 - 자동차 경주 게임
 
+## 📋 기능 구현 목록
+- 사용자 입력 요구문 출력
+- 사용자 입력 
+  - 예외 처리
+  - 플레이어 생성
+
+- 경주 게임 실행
+  - 무작위 수 생성
+  - 4이상 인지 비교
+  - 1초 간격두고 라운드 결과 출력
+
+- 우승자 판별
+  - 우승자 출력
+
+## 🚬 클래스와 메서드?
+- Application
+- Receiver
+  - receiveName
+  - receiveNumber
+- Printer
+  - printMessage
+- GamePlayer
+  - run
+  - judgeToMove
+  - makeArrayAfterGettingName
+  - makeCountAfterGettingNumber
+  - launchAllRound
+  - checkWhoIsWinner
+- Generator
+  - generateRandomNumber
+- Car
+  - getPosition
+  - getName
+  - moveForward
+- Validate
+  - validateName(s)
+    - inputNothing(s)
+    - inputCommaInARow(s)
+    - inputCharactersOtherThanName(s)
+    - startWithComma(s)
+    - endWithComma(s)
+    - over5Characters(s)
+    - inputSameName(s))
+  - validateNumber(s)
+- Message
+
+
 ## 🚀 기능 요구사항
 
 - 주어진 횟수 동안 n대의 자동차는 전진 또는 멈출 수 있다.

build.gradle

@@ -11,7 +11,7 @@ repositories {
 
 dependencies {
     testCompile("org.assertj:assertj-core:3.14.0")
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.0'
+    testCompile('org.junit.jupiter:junit-jupiter:5.6.0')
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine'
 }
 

src/main/java/Application.java

@@ -0,0 +1,8 @@
+import domain.GamePlayer;
+
+public class Application {
+    public static void main(String[] args){
+        GamePlayer gamePlayer = new GamePlayer();
+        gamePlayer.run();
+    }
+}

src/main/java/domain/Car.java

@@ -8,5 +8,31 @@ public Car(String name) {
         this.name = name;
     }
 
-    // 추가 기능 구현
+    public int getPosition() {
+        return this.position;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public void moveForward() {
+        this.position++;
+    }
+
+    public boolean isMaxNumber(int maxNumber) {
+        return this.position == maxNumber;
+    }
+
+    public boolean isOverMaxNumber(int maxNumber) {
+        return this.position > maxNumber;
+    }
+
+    public String getProgressWithSymbol() {
+        String progress = "";
+        for(int i = 0;i < this.position;i++)
+            progress += "-";
+
+        return progress;
+    }
 }

src/main/java/domain/GamePlayer.java

@@ -0,0 +1,76 @@
+package domain;
+
+import io.Message;
+import io.Printer;
+import io.Receiver;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class GamePlayer {
+    private static final int WINNER_CONDITION = 4;
+
+    private final Printer printer;
+    private final Receiver receiver;
+    private final Generator generator;
+
+    public GamePlayer() {
+        this.printer = new Printer();
+        this.receiver = new Receiver();
+        this.generator = new Generator();
+    }
+
+    void judgeAndMove(Car car, int randomNumber) {
+        if (randomNumber >= WINNER_CONDITION)
+            car.moveForward();
+    }
+
+    ArrayList<Car> inputNames() {
+        String messageCode = Message.GeneralMessages.INPUT_NAMEOFCAR.getMessage();
+        printer.printMessages(messageCode);
+        ArrayList<String> names = new ArrayList<>(Arrays.asList(receiver.receiveName()));
+
+        return makeCarList(names);
+    }
+
+    ArrayList<Car> makeCarList(List<String> names) {
+        ArrayList<Car> cars = new ArrayList<>();
+
+        for (int i = 0; i < names.size(); i++)
+            cars.add(new Car(names.get(i)));
+
+        return cars;
+    }
+
+    int inputNumber() {
+        String messageCode = Message.GeneralMessages.INPUT_COUNT.getMessage();
+        printer.printMessages(messageCode);
+
+        return receiver.receiveNumber();
+    }
+
+    void launchAllRound(ArrayList<Car> cars, int countRound) {
+        String messageCode = Message.GeneralMessages.DEFAULT_SPACE.getMessage();
+
+        for (int i = 0; i < countRound; i++) {
+            for (Car car : cars) {
+                judgeAndMove(car, generator.generateRandomNumber());
+                printer.printProgress(car.getName(), car.getProgressWithSymbol());
+            }
+            printer.printMessages(messageCode);
+        }
+    }
+
+    public void run() {
+        String messageCode = Message.GeneralMessages.OPERATION_RESULT.getMessage();
+        ArrayList<Car> cars = inputNames();
+        int countRound = inputNumber();
+
+        printer.printMessages(messageCode);
+        launchAllRound(cars, countRound);
+
+        ArrayList<Car> winner = Winner.checkWhoIsWinner(cars);
+        printer.printWinner(Winner.makeWinnerToString(winner));
+    }
+}

src/main/java/domain/Generator.java

@@ -0,0 +1,8 @@
+package domain;
+
+public class Generator {
+    private final int MAX_LIMIT_NUMBER = 10; //default value
+    public int generateRandomNumber() {
+        return (int) ((Math.random() * 10000) % MAX_LIMIT_NUMBER);
+    }
+}

src/main/java/domain/Validator.java

@@ -0,0 +1,114 @@
+package domain;
+
+import io.Message;
+import io.Printer;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Pattern;
+
+public class Validator {
+    private static final int MAX_NAME_SIZE = 5;
+    private static final String valiNumber = "^[0-9]+$";
+    private static final String commaInARow = "^.*(,,).*+$";
+    private static final String characterOTN = "^[a-zA-Z,]+$";
+    private static final Character COMMA = ',';
+    private static final String NOTHING = "";
+
+    Printer printer;
+
+    public Validator() {
+        printer = new Printer();
+    }
+
+    public boolean validateName(String s) {
+        return inputNothing(s)
+                && inputCommaInARow(s)
+                && inputCharactersOtherThanName(s)
+                && startWithComma(s)
+                && endWithComma(s)
+                && overSizeCharacters(s)
+                && inputSameName(s);
+    }
+
+    public boolean isValidNumber(String s) {
+        return s.matches(valiNumber);
+    }
+
+    public boolean inputNothing(String s) {
+        String messageCode = Message.ExceptionMessages.INPUT_NOTHING.getMessage();
+
+        if (s.equals(NOTHING)) {
+            printer.printMessages(messageCode);
+            return false;
+        }
+        return true;
+    }
+
+    public boolean inputCommaInARow(String s) {
+        String messageCode = Message.ExceptionMessages.INPUT_COMMA_IN_A_ROW.getMessage();
+
+        if (Pattern.matches(commaInARow, s)) {
+            printer.printMessages(messageCode);
+            return false;
+        }
+        return true;
+    }
+
+    public boolean startWithComma(String s) {
+        String messageCode = Message.ExceptionMessages.START_WITH_COMMA.getMessage();
+
+        if (s.charAt(0) == COMMA) {
+            printer.printMessages(messageCode);
+            return false;
+        }
+        return true;
+    }
+
+    public boolean endWithComma(String s) {
+        String messageCode = Message.ExceptionMessages.END_WITH_COMMA.getMessage();
+
+        if (s.charAt(s.length() - 1) == COMMA) {
+            printer.printMessages(messageCode);
+            return false;
+        }
+        return true;
+    }
+
+    public boolean inputCharactersOtherThanName(String s) {
+        String messageCode = Message.ExceptionMessages.INPUT_CHARACTERS_OTHER_THAN_NAME.getMessage();
+
+        if (!Pattern.matches(characterOTN, s)) {
+            printer.printMessages(messageCode);
+            return false;
+        }
+        return true;
+    }
+
+    public boolean inputSameName(String s) {
+        String messageCode = Message.ExceptionMessages.INPUT_SAME_NAME.getMessage();
+        List<String> carNames = Arrays.asList(s.split(","));
+        int sizeOfNameList = carNames.size();
+
+        for (int i = 0; i < sizeOfNameList; i++) {
+            if (carNames.subList(i + 1, sizeOfNameList).contains(carNames.get(i))) {
+                printer.printMessages(messageCode);
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public boolean overSizeCharacters(String s) {
+        String messageCode = Message.ExceptionMessages.OVER_SIZE_CHARACTERS.getMessage();
+        String[] splitName = s.split(",");
+
+        for (String i : splitName)
+            if (i.length() > MAX_NAME_SIZE) {
+                printer.printMessages(messageCode);
+                return false;
+            }
+        return true;
+    }
+
+}

src/main/java/domain/Winner.java

@@ -0,0 +1,42 @@
+package domain;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Winner {
+    public static String makeWinnerToString(List<Car> cars) {
+        StringBuilder winner = new StringBuilder(cars.get(0).getName());
+
+        if(cars.size() > 1) {
+            for(int i = 1;i<cars.size();i++) {
+                winner.append(", ").append(cars.get(i).getName());
+            }
+        }
+
+        return winner.toString();
+    }
+
+    public static ArrayList<Car> checkWhoIsWinner(ArrayList<Car> cars) {
+        ArrayList<Car> winner = new ArrayList<>();
+        int maxNumber = 0;
+
+        for (Car car : cars) {
+            if(car.isMaxNumber(maxNumber)){
+                winner.add(car);
+            }
+            if (car.isOverMaxNumber(maxNumber)) {
+                maxNumber = initWinner(winner, car);
+            }
+        }
+
+        return winner;
+    }
+
+    private static int initWinner(List<Car> winner, Car car) {
+        int maxNumber = car.getPosition();
+        winner.clear();
+        winner.add(car);
+
+        return maxNumber;
+    }
+}