feat : Global Handler 세팅 #114

- Exception Super Class(Client Side, Server Side) 제작
- BindException, ServletException, 커스텀 Super Class 두개 핸들러에
  메서드 추가
- 테스트 및 예시용 Service 패키지에 NoMatchIdException 추가
- ExceptionResponse Dto 추가
- ExceptionCode enums 추가 : 내용은 Exception 생성 시마다 추가 권장

src/main/java/com/skklub/admin/GlobalExceptionHandler.java

@@ -0,0 +1,58 @@
+package com.skklub.admin;
+
+import com.skklub.admin.exception.ClientSideException;
+import com.skklub.admin.exception.ExceptionResponse;
+import com.skklub.admin.exception.ServerSideException;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@Slf4j
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+    /**
+     * 입력값이 잘못되어 예외가 터진 경우
+     */
+    @ExceptionHandler(ClientSideException.class)
+    public ResponseEntity<ExceptionResponse> clientSideException(ClientSideException clientSideException, HttpServletRequest request) {
+        ExceptionResponse exceptionResponse = new ExceptionResponse(clientSideException);
+        return ResponseEntity
+                .badRequest()
+                .body(exceptionResponse);
+    }
+
+    /**
+     * 서버 내부 문제로 예외가 터진 경우
+     */
+    @ExceptionHandler(ServerSideException.class)
+    public ResponseEntity<ExceptionResponse> serverSideException(ServerSideException serverSideException, HttpServletRequest request) {
+        ExceptionResponse exceptionResponse = new ExceptionResponse(serverSideException);
+        return ResponseEntity
+                .internalServerError()
+                .body(exceptionResponse);
+    }
+
+    /**
+     * Spring Bean Validation 관련 예외
+     */
+    @ExceptionHandler(BindException.class)
+    public ResponseEntity<ExceptionResponse> bindException(BindException bindException, HttpServletRequest request) {
+        return ResponseEntity
+                .badRequest()
+                .body(null);
+    }
+
+    /**
+     * Spring MVC Controller 파라미터 매칭 예외
+     */
+    @ExceptionHandler(ServletException.class)
+    public ResponseEntity<ExceptionResponse> servletException(ServletException servletException, HttpServletRequest request) {
+        return ResponseEntity
+                .badRequest()
+                .body(null);
+    }
+}

src/main/java/com/skklub/admin/exception/ClientSideException.java

@@ -0,0 +1,22 @@
+package com.skklub.admin.exception;
+
+public class ClientSideException extends RuntimeException {
+    public ClientSideException() {
+    }
+
+    public ClientSideException(String message) {
+        super(message);
+    }
+
+    public ClientSideException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public ClientSideException(Throwable cause) {
+        super(cause);
+    }
+
+    public ClientSideException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

src/main/java/com/skklub/admin/exception/ExceptionCode.java

@@ -0,0 +1,5 @@
+package com.skklub.admin.exception;
+
+public enum ExceptionCode {
+    NO_MATCH_ID()
+}

src/main/java/com/skklub/admin/exception/ExceptionResponse.java

@@ -0,0 +1,26 @@
+package com.skklub.admin.exception;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class ExceptionResponse {
+    private ExceptionCode exceptionCode;
+    private LocalDateTime timeStamp;
+    private String detailMessage;
+    private Class exceptionClassName;
+
+    public ExceptionResponse(RuntimeException exception) {
+        this.exceptionCode = null;
+        this.timeStamp = LocalDateTime.now();
+        this.detailMessage = exception.getMessage();
+        this.exceptionClassName = exception.getCause().getClass();
+    }
+}

src/main/java/com/skklub/admin/exception/ServerSideException.java

@@ -0,0 +1,22 @@
+package com.skklub.admin.exception;
+
+public class ServerSideException extends RuntimeException {
+    public ServerSideException() {
+    }
+
+    public ServerSideException(String message) {
+        super(message);
+    }
+
+    public ServerSideException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public ServerSideException(Throwable cause) {
+        super(cause);
+    }
+
+    public ServerSideException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

src/main/java/com/skklub/admin/exception/deprecated/error/handler/ControllerExceptionHandler.java

@@ -4,7 +4,6 @@
 import com.skklub.admin.controller.NoticeController;
 import com.skklub.admin.controller.PendingClubController;
 import com.skklub.admin.controller.RecruitController;
-import com.skklub.admin.error.exception.*;
 import com.skklub.admin.exception.deprecated.error.handler.dto.BindingErrorResponse;
 import com.skklub.admin.exception.deprecated.error.handler.dto.ErrorDetail;
 import com.skklub.admin.exception.deprecated.error.handler.dto.ErrorResponse;

src/main/java/com/skklub/admin/service/exception/NoMatchIdException.java

@@ -0,0 +1,9 @@
+package com.skklub.admin.service.exception;
+
+import com.skklub.admin.exception.ClientSideException;
+
+public class NoMatchIdException extends ClientSideException {
+    public NoMatchIdException(Long invalidId) {
+        super("제공된 ID값(" + invalidId + ")과 일치하는 데이터가 존재하지 않습니다");
+    }
+}