Merge pull request #10 from PawWithU/feat/8-GlobalException

[Feature] 전역적 예외 처리 설정

src/main/java/com/pawwithu/connectdog/error/ErrorCode.java

@@ -0,0 +1,17 @@
+package com.pawwithu.connectdog.error;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
+public enum ErrorCode {
+
+    TOKEN_NOT_EXIST("T1", "토큰이 존재하지 않습니다."),
+    TOKEN_IS_EXPIRED("T2", "만료된 토큰입니다."),
+    INVALID_TOKEN("T3", "잘못된 토큰입니다.");
+
+    private final String code;
+    private final String message;
+
+}

src/main/java/com/pawwithu/connectdog/error/dto/ErrorResponse.java

@@ -0,0 +1,8 @@
+package com.pawwithu.connectdog.error.dto;
+
+public record ErrorResponse(String code, String message) {
+    public static ErrorResponse of(String code, String message){
+        return new ErrorResponse(code, message);
+    }
+
+}

src/main/java/com/pawwithu/connectdog/error/exception/GlobalControllerAdvice.java

@@ -0,0 +1,35 @@
+package com.pawwithu.connectdog.error.exception;
+
+import com.pawwithu.connectdog.error.dto.ErrorResponse;
+import com.pawwithu.connectdog.error.exception.custom.BadRequestException;
+import com.pawwithu.connectdog.error.exception.custom.TokenException;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@Slf4j
+@RestControllerAdvice
+public class GlobalControllerAdvice {
+
+    @ExceptionHandler
+    public ResponseEntity<String> handle(final Exception e) {
+        log.error("Internal Error occurred", e);
+        return ResponseEntity.internalServerError().body(e.getMessage());
+    }
+
+    @ExceptionHandler
+    public ResponseEntity<ErrorResponse> handle(final BadRequestException e) {
+        log.info("Bad Request: {}", e);
+        return ResponseEntity.badRequest().body(ErrorResponse.of(e.getCode(), e.getMessage()));
+    }
+
+    @ExceptionHandler
+    public ResponseEntity<ErrorResponse> handle(final TokenException e) {
+        log.info("Invalid Token: {}", e);
+        return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(ErrorResponse.of(e.getCode(), e.getMessage()));
+    }
+
+
+}

src/main/java/com/pawwithu/connectdog/error/exception/custom/BadRequestException.java

@@ -0,0 +1,16 @@
+package com.pawwithu.connectdog.error.exception.custom;
+
+import com.pawwithu.connectdog.error.ErrorCode;
+import lombok.Getter;
+
+@Getter
+public class BadRequestException extends RuntimeException {
+
+    private final String code;
+
+    public BadRequestException(final ErrorCode errorCode) {
+        super(errorCode.getMessage());
+        this.code = errorCode.getCode();
+    }
+
+}

src/main/java/com/pawwithu/connectdog/error/exception/custom/TokenException.java

@@ -0,0 +1,17 @@
+package com.pawwithu.connectdog.error.exception.custom;
+
+import com.pawwithu.connectdog.error.ErrorCode;
+import lombok.Getter;
+
+@Getter
+public class TokenException extends RuntimeException {
+
+    private final String code;
+
+    public TokenException(final ErrorCode errorCode) {
+        super(errorCode.getMessage());
+        this.code = errorCode.getCode();
+    }
+
+
+}