feat: custom exception 정의

Author: Kimjipang

apps/commerce-streamer/src/main/java/com/loopers/support/error/CoreException.java

@@ -0,0 +1,19 @@
+package com.loopers.support.error;
+
+import lombok.Getter;
+
+@Getter
+public class CoreException extends RuntimeException {
+    private final ErrorType errorType;
+    private final String customMessage;
+
+    public CoreException(ErrorType errorType) {
+        this(errorType, null);
+    }
+
+    public CoreException(ErrorType errorType, String customMessage) {
+        super(customMessage != null ? customMessage : errorType.getMessage());
+        this.errorType = errorType;
+        this.customMessage = customMessage;
+    }
+}

apps/commerce-streamer/src/main/java/com/loopers/support/error/ErrorType.java

@@ -0,0 +1,19 @@
+package com.loopers.support.error;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@RequiredArgsConstructor
+public enum ErrorType {
+    /** 범용 에러 */
+    INTERNAL_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, HttpStatus.INTERNAL_SERVER_ERROR.getReasonPhrase(), "일시적인 오류가 발생했습니다."),
+    BAD_REQUEST(HttpStatus.BAD_REQUEST, HttpStatus.BAD_REQUEST.getReasonPhrase(), "잘못된 요청입니다."),
+    NOT_FOUND(HttpStatus.NOT_FOUND, HttpStatus.NOT_FOUND.getReasonPhrase(), "존재하지 않는 요청입니다."),
+    CONFLICT(HttpStatus.CONFLICT, HttpStatus.CONFLICT.getReasonPhrase(), "이미 존재하는 리소스입니다.");
+
+    private final HttpStatus status;
+    private final String code;
+    private final String message;
+}