setting:error,global response

Author: skyeong42

src/main/java/cmf/commitField/global/error/ErrorCode.java

@@ -0,0 +1,39 @@
+package cmf.commitField.global.error;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@AllArgsConstructor
+public enum ErrorCode {
+
+    // Common
+    INVALID_INPUT_VALUE(HttpStatus.BAD_REQUEST, "제공된 입력 값이 유효하지 않습니다."),
+    METHOD_NOT_ALLOWED(HttpStatus.METHOD_NOT_ALLOWED, "허용되지 않은 요청 방식입니다."),
+    ENTITY_NOT_FOUND(HttpStatus.BAD_REQUEST, "요청한 엔티티를 찾을 수 없습니다."),
+    INVALID_TYPE_VALUE(HttpStatus.BAD_REQUEST, "제공된 값의 타입이 유효하지 않습니다."),
+    ERROR_PARSING_JSON_RESPONSE(HttpStatus.BAD_REQUEST, "JSON 응답을 파싱하는 중 오류가 발생했습니다."),
+    MISSING_INPUT_VALUE(HttpStatus.BAD_REQUEST, "필수 입력 값이 누락되었습니다."),
+    DATABASE_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "데이터베이스 오류가 발생했습니다."),
+    INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "서버 내부 오류가 발생했습니다."),
+
+    // User
+    NOT_FOUND_USER(HttpStatus.BAD_REQUEST, "해당 유저가 존재하지 않습니다"),
+    PASSWORD_MISMATCH(HttpStatus.BAD_REQUEST, "비밀번호가 일치하지 않습니다."),
+
+    // Auth
+    ACCESS_DENIED(HttpStatus.UNAUTHORIZED, "인증되지 않은 유저입니다."),
+    SC_FORBIDDEN(HttpStatus.UNAUTHORIZED, "권한이 없는 유저입니다."),
+    INVALID_JWT_SIGNATURE(HttpStatus.UNAUTHORIZED, "서명 검증에 실패했습니다." ),
+    ILLEGAL_REGISTRATION_ID(HttpStatus.BAD_REQUEST,"해당 사항이 없는 로그인 경로입니다."),
+
+    TOKEN_EXPIRED(HttpStatus.BAD_REQUEST, "토큰이 만료되었습니다."),
+
+    // member
+    MEMBER_NOT_FOUND(HttpStatus.NOT_FOUND, "사용자를 찾을 수 없습니다");
+
+
+    private final HttpStatus httpStatus;
+    private final String message;
+    }

src/main/java/cmf/commitField/global/error/ErrorResponse.java

@@ -0,0 +1,32 @@
+package cmf.commitField.global.error;
+
+import lombok.Builder;
+import lombok.Getter;
+import org.springframework.http.ResponseEntity;
+
+import java.time.LocalDateTime;
+
+@Getter
+public class ErrorResponse {
+    private final String timestamp;
+    private final String error;
+    private final String message;
+
+    @Builder
+    public ErrorResponse(String timestamp, String error, String message){
+        this.timestamp = timestamp;
+        this.error = error;
+        this.message = message;
+    }
+    public static ResponseEntity<ErrorResponse> toResponseEntity(ErrorCode errorCode){
+        return ResponseEntity
+                .status(errorCode.getHttpStatus())
+                .body(ErrorResponse.builder()
+                        .timestamp(LocalDateTime.now().toString())
+                        .error(errorCode.getHttpStatus().name())
+                        .message(errorCode.getMessage())
+                        .build()
+                );
+
+    }
+}

src/main/java/cmf/commitField/global/exception/CustomException.java

@@ -0,0 +1,11 @@
+package cmf.commitField.global.exception;
+
+import cmf.commitField.global.error.ErrorCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class CustomException extends RuntimeException {
+    private final ErrorCode errorCode;
+}

src/main/java/cmf/commitField/global/exception/ExceptionControllerAdvice.java

@@ -0,0 +1,69 @@
+package cmf.commitField.global.exception;
+
+import cmf.commitField.global.error.ErrorCode;
+import cmf.commitField.global.error.ErrorResponse;
+import lombok.extern.slf4j.Slf4j;
+import org.hibernate.exception.ConstraintViolationException;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.web.HttpRequestMethodNotSupportedException;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.MissingServletRequestParameterException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
+
+import java.sql.SQLIntegrityConstraintViolationException;
+
+@Slf4j
+@RestControllerAdvice
+public class ExceptionControllerAdvice {
+
+    @ExceptionHandler(value = {ConstraintViolationException.class, MethodArgumentNotValidException.class, MethodArgumentTypeMismatchException.class})
+    public ResponseEntity<ErrorResponse> handleValidationExceptions(Exception e) {
+        log.error("Validation Exception: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.INVALID_INPUT_VALUE);
+    }
+
+    @ExceptionHandler(value = HttpRequestMethodNotSupportedException.class)
+    public ResponseEntity<ErrorResponse> handleHttpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException e) {
+        log.error("HTTP Method Not Supported: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.METHOD_NOT_ALLOWED);
+    }
+
+    @ExceptionHandler(value = CustomException.class)
+    protected ResponseEntity<ErrorResponse> handleCustomException(CustomException e) {
+        log.error("Custom Exception: {}", e.getErrorCode(), e);
+        return ErrorResponse.toResponseEntity(e.getErrorCode());
+    }
+
+    @ExceptionHandler(value = NullPointerException.class)
+    public ResponseEntity<ErrorResponse> handleNullPointerException(NullPointerException e) {
+        log.error("Null Pointer Exception: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.MISSING_INPUT_VALUE);
+    }
+
+    @ExceptionHandler(value = MissingServletRequestParameterException.class)
+    public ResponseEntity<ErrorResponse> handleMissingServletRequestParameterException(MissingServletRequestParameterException e) {
+        log.error("Missing Request Parameter: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.MISSING_INPUT_VALUE);
+    }
+
+    @ExceptionHandler(value = HttpMessageNotReadableException.class)
+    public ResponseEntity<ErrorResponse> handleHttpMessageNotReadableException(HttpMessageNotReadableException e) {
+        log.error("Message Not Readable: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.INVALID_INPUT_VALUE);
+    }
+
+    @ExceptionHandler(value = SQLIntegrityConstraintViolationException.class)
+    public ResponseEntity<ErrorResponse> handleSQLIntegrityConstraintViolationException(SQLIntegrityConstraintViolationException e) {
+        log.error("SQL Integrity Constraint Violation: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.DATABASE_ERROR);
+    }
+
+    @ExceptionHandler(value = Exception.class)
+    public ResponseEntity<ErrorResponse> handleGeneralException(Exception e) {
+        log.error("Unhandled Exception: {}", e.getMessage(), e);
+        return ErrorResponse.toResponseEntity(ErrorCode.INTERNAL_SERVER_ERROR);
+    }
+}

src/main/java/cmf/commitField/global/globalDto/GlobalResponse.java

@@ -0,0 +1,51 @@
+package cmf.commitField.global.globalDto;
+
+import cmf.commitField.global.error.ErrorCode;
+import lombok.Getter;
+
+import java.time.LocalDateTime;
+
+@Getter
+public class GlobalResponse<T> {
+
+    private final LocalDateTime timestamp; // 응답 생성 시간
+    private final int statusCode;          // HTTP 상태 코드
+    private final String message;          // 응답 메시지
+    private final T data;                  // 응답 데이터 (성공 시 데이터, 실패 시 추가 정보)
+
+    // 성공 응답 생성자
+    private GlobalResponse(GlobalResponseCode responseCode, T data) {
+        this.timestamp = LocalDateTime.now();
+        this.statusCode = responseCode.getCode();
+        this.message = responseCode.getMessage();
+        this.data = data;
+    }
+
+    // 에러 응답 생성자
+    private GlobalResponse(ErrorCode errorCode, T data) {
+        this.timestamp = LocalDateTime.now();
+        this.statusCode = errorCode.getHttpStatus().value();
+        this.message = errorCode.getMessage();
+        this.data = data;
+    }
+
+    // 성공 응답 (데이터 포함)
+    public static <T> GlobalResponse<T> success(T data) {
+        return new GlobalResponse<>(GlobalResponseCode.OK, data);
+    }
+
+    // 성공 응답 (데이터 없음)
+    public static <T> GlobalResponse<T> success() {
+        return success(null);
+    }
+
+    // 에러 응답 (데이터 포함)
+    public static <T> GlobalResponse<T> error(ErrorCode errorCode, T data) {
+        return new GlobalResponse<>(errorCode, data);
+    }
+
+    // 에러 응답 (데이터 없음)
+    public static <T> GlobalResponse<T> error(ErrorCode errorCode) {
+        return error(errorCode, null);
+    }
+}

src/main/java/cmf/commitField/global/globalDto/GlobalResponseCode.java

@@ -0,0 +1,17 @@
+package cmf.commitField.global.globalDto;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
+public enum GlobalResponseCode {
+
+    OK(200, "요청이 성공하였습니다."),
+    BAD_REQUEST(400, "잘못된 요청입니다."),
+    NOT_FOUND(404, "찾을 수 없습니다."),
+    INTERNAL_SERVER_ERROR(500, "서버 내부 오류가 발생하였습니다.");
+
+    private final int code;        // HTTP 상태 코드
+    private final String message;  // 응답 메시지
+}

src/main/java/cmf/commitField/global/jpa/BaseEntity.java

@@ -1,4 +1,26 @@
 package cmf.commitField.global.jpa;
 
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+
+import java.time.LocalDateTime;
+
+import static jakarta.persistence.GenerationType.IDENTITY;
+
 public class BaseEntity {
-}
+    @Id
+    @GeneratedValue(strategy = IDENTITY)
+    @EqualsAndHashCode.Include
+    private Long id;
+
+    @CreatedDate
+    @Getter
+    private LocalDateTime createdAt;
+
+    @CreatedDate
+    @Getter
+    private LocalDateTime modifiedAt;
+}