[BUG] MethodArgumentTypeMismatchException 핸들링 (#176)

* fix: MethodArgumentTypeMismatchException 핸들링 (#172)

* refactor: 코드 리팩토링 (#172)

Author: hyunmin0317

src/main/java/com/smunity/server/global/exception/code/ErrorCode.java

@@ -13,6 +13,7 @@ public enum ErrorCode {
     UNAUTHORIZED(401, "COMMON002", "로그인이 필요합니다."),
     METHOD_NOT_ALLOWED(405, "COMMON003", "지원하지 않는 Http Method 입니다."),
     FORBIDDEN(403, "COMMON004", "금지된 요청입니다."),
+    INVALID_ENUM_VALUE(400, "COMMON005", "잘못된 요청 값입니다."),
 
     // Validation Errors
     VALIDATION_FAILED(400, "VALID001", "입력값에 대한 검증에 실패했습니다."),

src/main/java/com/smunity/server/global/exception/handler/GeneralExceptionHandler.java

@@ -12,6 +12,7 @@
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.method.annotation.HandlerMethodValidationException;
+import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
 
 import java.util.Map;
 import java.util.Objects;
@@ -24,48 +25,49 @@ public class GeneralExceptionHandler {
     @ExceptionHandler(GeneralException.class)
     protected ResponseEntity<ErrorResponse<Void>> handleGeneralException(GeneralException ex) {
         log.warn("[WARNING] {} : {}", ex.getClass(), ex.getMessage());
-        ErrorCode errorCode = ex.getErrorCode();
-        return ErrorResponse.handle(errorCode);
+        return ErrorResponse.handle(ex.getErrorCode());
     }
 
     // 요청 파라미터 검증 실패(MethodArgumentNotValidException) 처리 메서드
     @ExceptionHandler(MethodArgumentNotValidException.class)
     protected ResponseEntity<ErrorResponse<Map<String, String>>> handleMethodArgumentNotValidException(MethodArgumentNotValidException ex) {
         log.warn("[WARNING] {} : {}", ex.getClass(), ex.getMessage());
-        ErrorCode errorCode = ErrorCode.VALIDATION_FAILED;
-        return ErrorResponse.handle(errorCode, ex.getFieldErrors());
+        return ErrorResponse.handle(ErrorCode.VALIDATION_FAILED, ex.getFieldErrors());
     }
 
     // 데이터 무결성 위반(DataIntegrityViolationException) 처리 메서드
     @ExceptionHandler(DataIntegrityViolationException.class)
     protected ResponseEntity<ErrorResponse<Void>> handleDataIntegrityViolationException(DataIntegrityViolationException ex) {
         log.warn("[WARNING] {} : {}", ex.getClass(), ex.getMessage());
-        ErrorCode errorCode = ErrorCode.VALIDATION_FAILED;
-        return ErrorResponse.handle(errorCode);
+        return ErrorResponse.handle(ErrorCode.VALIDATION_FAILED);
     }
 
     // 컨트롤러 메서드 파라미터의 유효성 검증 실패(HandlerMethodValidationException) 처리 메서드 - @PermissionCheckValidator
     @ExceptionHandler(HandlerMethodValidationException.class)
     protected ResponseEntity<ErrorResponse<Void>> handleHandlerMethodValidationException(HandlerMethodValidationException ex) {
         log.warn("[WARNING] {} : {}", ex.getClass(), ex.getMessage());
-        ErrorCode errorCode = extractErrorCode(ex);
-        return ErrorResponse.handle(errorCode);
+        return ErrorResponse.handle(extractErrorCode(ex));
     }
 
     // 지원되지 않는 HTTP 메서드 요청(HttpRequestMethodNotSupportedException) 처리 메서드
     @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
     protected ResponseEntity<ErrorResponse<Void>> handleHttpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException ex) {
         log.warn("[WARNING] {} : {}", ex.getClass(), ex.getMessage());
-        ErrorCode errorCode = ErrorCode.METHOD_NOT_ALLOWED;
-        return ErrorResponse.handle(errorCode);
+        return ErrorResponse.handle(ErrorCode.METHOD_NOT_ALLOWED);
+    }
+
+    // 메서드 인자 타입 불일치(MethodArgumentTypeMismatchException) 처리 메서드
+    @ExceptionHandler(MethodArgumentTypeMismatchException.class)
+    protected ResponseEntity<ErrorResponse<Void>> handleMethodArgumentTypeMismatchException(MethodArgumentTypeMismatchException ex) {
+        log.warn("[WARNING] {} : {}", ex.getClass(), ex.getMessage());
+        return ErrorResponse.handle(ErrorCode.INVALID_ENUM_VALUE);
     }
 
     // 기타 모든 예외(Exception) 처리 메서드
     @ExceptionHandler(Exception.class)
     protected ResponseEntity<ErrorResponse<Void>> handleException(Exception ex) {
         log.error("[ERROR] {} : {}", ex.getClass(), ex.getMessage(), ex);
-        ErrorCode errorCode = ErrorCode.INTERNAL_SERVER_ERROR;
-        return ErrorResponse.handle(errorCode);
+        return ErrorResponse.handle(ErrorCode.INTERNAL_SERVER_ERROR);
     }
 
     // HandlerMethodValidationException 에서 ErrorCode 를 추출하는 메서드