[스프링 목요일 2팀] (배성현) 미션 제출합니다

src/main/java/lotto/Lotto.java

@@ -1,5 +1,8 @@
 package lotto;
 
+import lotto.view.ExceptionMessage;
+
+import java.util.HashSet;
 import java.util.List;
 
 public class Lotto {
@@ -14,6 +17,11 @@ private void validate(List<Integer> numbers) {
         if (numbers.size() != 6) {
             throw new IllegalArgumentException();
         }
+        HashSet<Integer> integers = new HashSet<>(numbers);
+        if (integers.size() != numbers.size()) {
+            throw new IllegalArgumentException();
+        }
+
     }
 
     public List<Integer> getNumbers() {

src/main/java/lotto/controller/LottoController.java

@@ -4,13 +4,11 @@
 import lotto.domain.LottoNumber;
 import lotto.domain.Numbers;
 import lotto.domain.Rank;
+import lotto.view.ExceptionMessage;
 import lotto.view.InputView;
 import lotto.view.OutputView;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 public class LottoController {
 
@@ -20,22 +18,49 @@ public void run() {
         try {
             start();
         } catch (IllegalStateException e) {
-
+            System.out.println(e.getMessage());
         }
     }
 
     public void start() {
-        int money = Integer.parseInt(InputView.inputMyMoney());
+        int money = InputView.inputMyMoney();
         int ticketCount = new LottoNumber(money).count;
         OutputView.printTicketCount(ticketCount);
 
         lottoList = makeLottoList(ticketCount);
         List<Integer> winningNumber = InputView.inputWinningNumber();
+        validateWinningNumber(winningNumber);
         int bonusNumber = InputView.inputBonusNumber(winningNumber);
-
+        validateBonusNumber(winningNumber, bonusNumber);
         lottoResult(lottoList, winningNumber, bonusNumber);
     }
 
+    private void validateWinningNumber(List<Integer> winningNumber) {
+        if (winningNumber.size() != 6) {
+            ExceptionMessage.isCountNotSix();
+            throw new IllegalArgumentException();
+        }
+        for (int i = 0; i < winningNumber.size(); i++) {
+            if (winningNumber.get(i) < 1 || winningNumber.get(i) > 45) {
+                ExceptionMessage.isNotRange();
+                throw new IllegalArgumentException();
+            }
+        }
+        HashSet<Integer> numbers =  new HashSet<>(winningNumber);
+        if (winningNumber.size() != numbers.size()) {
+            ExceptionMessage.isDuplicate();
+            throw new IllegalArgumentException();
+        }
+    }
+
+    private void validateBonusNumber(List<Integer> winningNumber, int bonusNumber) {
+        if (winningNumber.contains(bonusNumber)) {
+            ExceptionMessage.isNotPossibleBonus();
+            throw new IllegalArgumentException();
+        }
+    }
+
+
     private static List<Lotto> makeLottoList(int ticketCount) {
         lottoList = new ArrayList<>();
 
@@ -46,7 +71,7 @@ private static List<Lotto> makeLottoList(int ticketCount) {
     }
 
     private static Lotto makeLotto() {
-        List<Integer> lotto = new ArrayList<>();
+        List<Integer> lotto;
         lotto = Numbers.randomNumbers();
         System.out.println(lotto);
 

src/main/java/lotto/domain/LottoNumber.java

@@ -1,6 +1,7 @@
 package lotto.domain;
 
 import lotto.Lotto;
+import lotto.view.ExceptionMessage;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -15,8 +16,13 @@ public LottoNumber(int money) {
     }
 
     private void moneyValidate(int money) {
-        if (money <= 0 || money % 1000 != 0) {
-            throw new IllegalStateException("error");
+        if (money <= 0) {
+            ExceptionMessage.isPositive();
+            throw new IllegalArgumentException();
+        }
+        if (money % 1000 != 0) {
+            ExceptionMessage.isDivisible();
+            throw new IllegalArgumentException();
         }
     }
 

src/main/java/lotto/domain/Numbers.java

@@ -8,7 +8,8 @@
 
 public class Numbers {
     public static List<Integer> randomNumbers() {
-        List<Integer> numberList = Randoms.pickUniqueNumbersInRange(1, 45, 6);
+        List<Integer> numberList = new ArrayList<>(Randoms.pickUniqueNumbersInRange(1, 45, 6));
+        // unsupportedoperationexception 에러 -> ArrayList로 받아서 해결
         Collections.sort(numberList);
 
         return numberList;

src/main/java/lotto/view/ExceptionMessage.java

@@ -0,0 +1,39 @@
+package lotto.view;
+
+public class ExceptionMessage {
+
+    // 1. 구입 금액 양수
+    public static void isPositive() {
+        System.out.println("[ERROR] 구입 금액은 양수여야 한다.");
+    }
+
+    // 2. 구입 금액 1000의 배수
+    public static void isDivisible() {
+        System.out.println("[ERROR] 구입 금액은 1000의 배수여야 한다.");
+    }
+
+    // 3. 입력 숫자 중복
+    public static void isDuplicate() {
+        System.out.println("[ERROR] 로또 번호는 중복되지 않아야 한다.");
+    }
+
+    //4. 입력 숫자 범위
+    public static void isNotRange() {
+        System.out.println("[ERROR] 로또 번호는 1-45 사이여야 한다.");
+    }
+
+    // 5. 입력 숫자 개수 6
+    public static void isCountNotSix() {
+        System.out.println("[ERROR] 로또 번호는 6개를 선택해야 한다.");
+    }
+
+    // 6. 보너스 숫자 중복
+    public static void isNotPossibleBonus() {
+        System.out.println("[ERROR] 보너스 번호는 기존의 번호와 달라야 한다.");
+    }
+
+    // 7. 숫자가 아닌 입력
+    public static void isNotNumber() {
+        System.out.println("[ERROR] 입력은 숫자여야 한다.");
+    }
+}

src/main/java/lotto/view/InputView.java

@@ -1,16 +1,21 @@
 package lotto.view;
 
-import lotto.Lotto;
 import org.kokodak.Console;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class InputView {
 
-    public static String inputMyMoney() {
+    public static int inputMyMoney() {
         System.out.println("구입금액을 입력해 주세요.");
-        return Console.readLine();
+        try {
+            return Integer.parseInt(Console.readLine());
+        } catch (NumberFormatException e) {
+            ExceptionMessage.isNotNumber();
+            throw new IllegalArgumentException();
+        }
+
     }
 
     public static List<Integer> inputWinningNumber() {
@@ -22,18 +27,24 @@ private static List<Integer> numberList(String winningNumber) {
         String[] numbers = winningNumber.split(",");
         ArrayList<Integer> winningNumberList = new ArrayList<Integer>();
         for (int i = 0; i < numbers.length; i++) {
-            winningNumberList.add(Integer.parseInt(numbers[i]));
+            try {
+                winningNumberList.add(Integer.parseInt(numbers[i]));
+            } catch (NumberFormatException e){
+                ExceptionMessage.isNotNumber();
+                throw new IllegalArgumentException();
+            }
         }
         return winningNumberList;
     }
 
     public static int inputBonusNumber(List<Integer> winningNumber) {
         System.out.println("보너스 번호를 입력해 주세요.");
-        int bonusNumber = Integer.parseInt(Console.readLine());
-        if (winningNumber.contains(bonusNumber)) {
+        try {
+            return Integer.parseInt(Console.readLine());
+        } catch (NumberFormatException e) {
+            ExceptionMessage.isNotNumber();
             throw new IllegalArgumentException();
         }
-        return bonusNumber;
     }
 
-}
+}