From e83f41b90301741e317ca2dafabd4e75209b703c Mon Sep 17 00:00:00 2001
From: JSoi <jsoiworks@gmail.com>
Date: Sat, 16 Jul 2022 07:34:29 +0900
Subject: [PATCH] =?UTF-8?q?#33=20[Add]=20=EC=98=88=EC=99=B8=EC=B2=98?=
 =?UTF-8?q?=EB=A6=AC=20=ED=8B=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../baechelin/exception/CustomException.java  | 13 +++++++++
 .../baechelin/exception/ErrorResponse.java    | 29 +++++++++++++++++++
 .../exception/GlobalExceptionHandler.java     | 17 +++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 src/main/java/com/mpnp/baechelin/exception/CustomException.java
 create mode 100644 src/main/java/com/mpnp/baechelin/exception/ErrorResponse.java
 create mode 100644 src/main/java/com/mpnp/baechelin/exception/GlobalExceptionHandler.java

diff --git a/src/main/java/com/mpnp/baechelin/exception/CustomException.java b/src/main/java/com/mpnp/baechelin/exception/CustomException.java
new file mode 100644
index 0000000..e5a5387
--- /dev/null
+++ b/src/main/java/com/mpnp/baechelin/exception/CustomException.java
@@ -0,0 +1,13 @@
+package com.mpnp.baechelin.exception;
+
+import lombok.Getter;
+
+@Getter
+public class CustomException extends RuntimeException{
+    private ErrorCode errorCode;
+
+    public CustomException(ErrorCode errorCode) {
+        super(errorCode.getMessage());
+        this.errorCode = errorCode;
+    }
+}
diff --git a/src/main/java/com/mpnp/baechelin/exception/ErrorResponse.java b/src/main/java/com/mpnp/baechelin/exception/ErrorResponse.java
new file mode 100644
index 0000000..869bc19
--- /dev/null
+++ b/src/main/java/com/mpnp/baechelin/exception/ErrorResponse.java
@@ -0,0 +1,29 @@
+package com.mpnp.baechelin.exception;
+
+import lombok.Builder;
+import lombok.Getter;
+import org.springframework.http.ResponseEntity;
+
+import java.time.LocalDateTime;
+
+@Getter
+@Builder
+public class ErrorResponse {
+    private final LocalDateTime timestamp = LocalDateTime.now();
+    private final int status;
+    private final String error;
+    private final String code;
+    private final String message;
+
+    public static ResponseEntity<ErrorResponse> toResponseEntity(ErrorCode errorCode) {
+        return ResponseEntity
+                .status(errorCode.getStatus())
+                .body(ErrorResponse.builder()
+                        .status(errorCode.getStatus())
+                        .error(errorCode.getCode())
+                        .code(errorCode.name())
+                        .message(errorCode.getMessage())
+                        .build()
+                );
+    }
+}
diff --git a/src/main/java/com/mpnp/baechelin/exception/GlobalExceptionHandler.java b/src/main/java/com/mpnp/baechelin/exception/GlobalExceptionHandler.java
new file mode 100644
index 0000000..7fb8076
--- /dev/null
+++ b/src/main/java/com/mpnp/baechelin/exception/GlobalExceptionHandler.java
@@ -0,0 +1,17 @@
+package com.mpnp.baechelin.exception;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+@Slf4j
+@RestControllerAdvice
+public class GlobalExceptionHandler extends ResponseEntityExceptionHandler {
+    @ExceptionHandler(value = CustomException.class)
+    protected ResponseEntity<ErrorResponse> handleCustomException(CustomException e) {
+        log.error("handleCustomException throw CustomException : {}", e.getErrorCode());
+        return ErrorResponse.toResponseEntity(e.getErrorCode());
+    }
+}