Merge pull request #6 from Leets-Official/feat/#5/예외처리-구축

[feat] 예외처리 구축

src/main/java/com/leets/xcellentbe/domain/chatroom/domain/exception/ChatRoomForbiddenException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.domain.chatroom.domain.exception;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class ChatRoomForbiddenException extends CommonException {
+	public ChatRoomForbiddenException() {
+
+		super(ErrorCode.CHAT_ROOM_FORBIDDEN);
+	}
+}

src/main/java/com/leets/xcellentbe/domain/chatroom/domain/exception/ChatRoomNotFoundException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.domain.chatroom.domain.exception;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class ChatRoomNotFoundException extends CommonException {
+	public ChatRoomNotFoundException() {
+
+		super(ErrorCode.CHAT_ROOM_NOT_FOUND);
+	}
+}

src/main/java/com/leets/xcellentbe/domain/post/exception/ArticleNotFoundException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.domain.post.exception;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class ArticleNotFoundException extends CommonException {
+	public ArticleNotFoundException() {
+
+		super(ErrorCode.ARTICLE_NOT_FOUND);
+	}
+}

src/main/java/com/leets/xcellentbe/domain/user/exception/UserNotFoundException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.domain.user.exception;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class UserNotFoundException extends CommonException {
+	public UserNotFoundException() {
+
+		super(ErrorCode.USER_NOT_FOUND);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/ErrorCode.java

@@ -0,0 +1,23 @@
+package com.leets.xcellentbe.global.error;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public enum ErrorCode {
+
+	INVALID_INPUT_VALUE(400, "INVALID_INPUT_VALUE", "유효하지 않은 입력값입니다."),
+	INVALID_TOKEN(401, "INVALID_TOKEN", "유효하지 않은 토큰입니다."),
+	CHAT_ROOM_FORBIDDEN(403, "CHAT_ROOM_FORBIDDEN","권한이 없는 채팅방입니다."),
+	EXPIRED_TOKEN(403, "EXPIRED_TOKEN", "만료된 토큰입니다."),
+	ARTICLE_NOT_FOUND(404, "ARTICLE_NOT_FOUND", "게시물을 찾을 수 없습니다."),
+	CHAT_ROOM_NOT_FOUND(404, "CHAT_ROOM_NOT_FOUND", "채팅방을 찾을 수 없습니다."),
+	USER_NOT_FOUND(404, "USER_NOT_FOUND", "유저를 찾을 수 없습니다."),
+	REJECT_DUPLICATION(409,"REJECT_DUPLICATION","중복된 값입니다."),
+	INTERNAL_SERVER_ERROR(500, "INTERNAL_SERVER_ERROR", "서버 오류가 발생했습니다.");
+
+	private final int status;
+	private final String code;
+	private final String message;
+}

src/main/java/com/leets/xcellentbe/global/error/ErrorResponse.java

@@ -0,0 +1,19 @@
+package com.leets.xcellentbe.global.error;
+
+import lombok.Getter;
+
+@Getter
+public class ErrorResponse {
+	private final int status;
+	private final String message;
+	private final String code;
+
+	public ErrorResponse(ErrorCode errorCode) {
+		this.status = errorCode.getStatus();
+		this.message = errorCode.getMessage();
+		this.code = errorCode.getCode();
+	}
+	public static ErrorResponse of(ErrorCode errorCode) {
+		return new ErrorResponse(errorCode);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/exception/CommonException.java

@@ -0,0 +1,13 @@
+package com.leets.xcellentbe.global.error.exception;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class CommonException extends RuntimeException {
+
+	private final ErrorCode errorCode;
+}

src/main/java/com/leets/xcellentbe/global/error/exception/GlobalExceptionHandler.java

@@ -0,0 +1,25 @@
+package com.leets.xcellentbe.global.error.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import com.leets.xcellentbe.global.error.*;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+	@ExceptionHandler(CommonException.class) // Custom Exception을 포괄적으로 처리
+	public ResponseEntity<ErrorResponse> handleCommonException(CommonException ex) {
+		ErrorCode errorCode = ex.getErrorCode(); // 전달된 예외에서 에러 코드 가져오기
+		ErrorResponse errorResponse = new ErrorResponse(errorCode);
+		return new ResponseEntity<>(errorResponse, HttpStatus.valueOf(errorCode.getStatus()));
+	}
+
+	@ExceptionHandler(Exception.class)
+	public ResponseEntity<ErrorResponse> handleGenericException(Exception ex) {
+		ErrorCode errorCode = ErrorCode.INTERNAL_SERVER_ERROR;
+		ErrorResponse errorResponse = new ErrorResponse(errorCode);
+		return new ResponseEntity<>(errorResponse, HttpStatus.INTERNAL_SERVER_ERROR);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/exception/custom/ExpiredTokenException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.global.error.exception.custom;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class ExpiredTokenException extends CommonException {
+	public ExpiredTokenException() {
+
+		super(ErrorCode.EXPIRED_TOKEN);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/exception/custom/InternalServerErrorException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.global.error.exception.custom;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class InternalServerErrorException extends CommonException {
+	public InternalServerErrorException() {
+
+		super(ErrorCode.INTERNAL_SERVER_ERROR);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/exception/custom/InvalidInputValueException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.global.error.exception.custom;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class InvalidInputValueException extends CommonException {
+	public InvalidInputValueException() {
+
+		super(ErrorCode.INVALID_INPUT_VALUE);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/exception/custom/InvalidTokenException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.global.error.exception.custom;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class InvalidTokenException extends CommonException {
+	public InvalidTokenException() {
+
+		super(ErrorCode.INVALID_TOKEN);
+	}
+}

src/main/java/com/leets/xcellentbe/global/error/exception/custom/RejectDuplicationException.java

@@ -0,0 +1,11 @@
+package com.leets.xcellentbe.global.error.exception.custom;
+
+import com.leets.xcellentbe.global.error.ErrorCode;
+import com.leets.xcellentbe.global.error.exception.CommonException;
+
+public class RejectDuplicationException extends CommonException {
+	public RejectDuplicationException() {
+
+		super(ErrorCode.REJECT_DUPLICATION);
+	}
+}

src/test/java/com/leets/xcellentbe/XcellentBeApplicationTests.java

@@ -10,4 +10,4 @@ class XcellentBeApplicationTests {
     void contextLoads() {
     }
 
-}
+}