java-racingcar(songpang)

README.md

@@ -1,5 +1,73 @@
 # 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
+ - printProgress
+ - printWinner
+ - printGeneralMessage
+ - printExceptionMessage
+ - printMessages
+
+- GamePlayer
+ - run
+ - judgeAndMove
+ - inputNames
+ - inputNumber
+ - makeCarList
+ - launchAllRound
+
+- Generator
+ - generateRandomNumber
+
+- Car
+ - getPosition
+ - getName
+ - moveForward
+ - isMaxNumber
+ - isOverMaxNumber
+ getProgressWithSymbol
+
+- Validate
+ - validateName(s)
+ - inputNothing(s)
+ - inputCommaInARow(s)
+ - inputCharactersOtherThanName(s)
+ - startWithComma(s)
+ - endWithComma(s)
+ - over5Characters(s)
+ - inputSameName(s))
+ - validateNumber(s)
+
+- Winner
+ - makeWinnerToString
+ - checkWhoIsWinner
+ - initWinner
+
+- Message
+ - selectMessageFromGeneral
+ - selectMessageFromException
+
+
 ## 🚀 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 +8,32 @@ 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 +1,82 @@
+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 moveAfterJudgement(Car car, int randomNumber) {
+ if (judgeToMove(randomNumber)) {
+ car.moveForward();
+ }
+ }
+
+ private boolean judgeToMove(int randomNumber) {
+ return randomNumber >= WINNER_CONDITION;
+ }
+
+ List<Car> inputNames() {
+ String messageCode = Message.GeneralMessages.INPUT_NAMEOFCAR.getMessage();
+ printer.printMessages(messageCode);
+ List<String> names = new ArrayList<>(Arrays.asList(receiver.receiveName()));
+
+ return makeCarList(names);
+ }
+
+ int inputNumber() {
+ String messageCode = Message.GeneralMessages.INPUT_COUNT.getMessage();
+ printer.printMessages(messageCode);
+
+ return receiver.receiveNumber();
+ }
+
+ List<Car> makeCarList(List<String> names) {
+ List<Car> cars = new ArrayList<>();
+
+ for (int i = 0; i < names.size(); i++) {
+ cars.add(new Car(names.get(i)));
+ }
+
+ return cars;
+ }
+
+ void launchAllRound(List<Car> cars, int countRound) {
+ String messageCode = Message.GeneralMessages.DEFAULT_SPACE.getMessage();
+
+ for (int i = 0; i < countRound; i++) {
+ for (Car car : cars) {
+ moveAfterJudgement(car, generator.generateRandomNumber());
+ printer.printProgress(car.getName(), car.getProgressWithSymbol());
+ }
+ printer.printMessages(messageCode);
+ }
+ }
+
+ public void run() {
+ String messageCode = Message.GeneralMessages.OPERATION_RESULT.getMessage();
+ List<Car> cars = inputNames();
+ int countRound = inputNumber();
+
+ printer.printMessages(messageCode);
+ launchAllRound(cars, countRound);
+
+ List<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 VALID_NUMBER = "^[0-9]+$";
+ private static final String COMMA_IN_ROW = "^.*(,,).*+$";
+ private static final String CHARACTER = "^[a-zA-Z,]+$";
+ private static final Character COMMA = ',';
+ private static final String NOTHING = "";
+
+ private final 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(VALID_NUMBER);
+ }
+
+ 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(COMMA_IN_ROW, 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(CHARACTER, 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 List<Car> checkWhoIsWinner(List<Car> cars) {
+ List<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;
+ }
+}