From 2e30237d9c3ed50dfa524fdce7d88eaf9daaecc1 Mon Sep 17 00:00:00 2001
From: SangWoon123 <alrax3574@naver.com>
Date: Wed, 5 Jun 2024 00:45:16 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20Exception=20=ED=95=B8=EB=93=A4=EB=9F=AC?=
 =?UTF-8?q?=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../error/GlobalExceptionController.java      | 50 ++++++++++++++++++-
 1 file changed, 48 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/tukorea/planding/global/error/GlobalExceptionController.java b/src/main/java/com/tukorea/planding/global/error/GlobalExceptionController.java
index 12dbacc..9aea425 100644
--- a/src/main/java/com/tukorea/planding/global/error/GlobalExceptionController.java
+++ b/src/main/java/com/tukorea/planding/global/error/GlobalExceptionController.java
@@ -1,17 +1,63 @@
 package com.tukorea.planding.global.error;
 
+import com.fasterxml.jackson.databind.exc.InvalidFormatException;
 import com.tukorea.planding.common.CommonResponse;
 import com.tukorea.planding.common.CommonUtils;
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.NoHandlerFoundException;
+
+import java.util.HashMap;
+import java.util.Map;
 
 @RestControllerAdvice
 public class GlobalExceptionController {
-    @ExceptionHandler(value = { BusinessException.class })
+
+    /*
+    잘못된 URL 예외
+     */
+    @ExceptionHandler(NoHandlerFoundException.class)
+    public CommonResponse<?> handleNoHandlerFoundException() {
+        ErrorResponse errorResponse = new ErrorResponse(ErrorCode.INVALID_URL);
+        return CommonUtils.fail(errorResponse);
+    }
+
+    /*
+    NULL 값
+     */
+    @ExceptionHandler(NullPointerException.class)
+    public CommonResponse<?> handleNoHandlerNullPointException() {
+        ErrorResponse errorResponse = new ErrorResponse(ErrorCode.INVALID_URL);
+        return CommonUtils.fail(errorResponse);
+    }
+
+    /*
+    @Valid 핸들러
+    */
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<Map<String, String>> handleValidationExceptions(MethodArgumentNotValidException ex) {
+        Map<String, String> errors = new HashMap<>();
+        ex.getBindingResult().getFieldErrors().forEach(error ->
+                errors.put(error.getField(), error.getDefaultMessage()));
+        return new ResponseEntity<>(errors, HttpStatus.BAD_REQUEST);
+    }
+
+    /*
+    ErrorCode 핸들러
+     */
+    @ExceptionHandler(value = {BusinessException.class})
     protected CommonResponse<?> handleBusinessException(BusinessException ex) {
         final ErrorCode errorCode = ex.getErrorCode();
         final ErrorResponse errorResponse = ErrorResponse.of(errorCode);
         return CommonUtils.fail(errorResponse);
     }
+
+    @ExceptionHandler(InvalidFormatException.class)
+    public ResponseEntity<ErrorResponse> handleInvalidFormatException(InvalidFormatException ex) {
+        ErrorResponse errorResponse = new ErrorResponse(ErrorCode.INVALID_REQUEST);
+        return new ResponseEntity<>(errorResponse, HttpStatus.BAD_REQUEST);
+    }
 }