[#43] feat: ErrorCode 저장용 Enum 클래스 생성

src/main/java/com/study/realworld/global/error/exception/ErrorCode.java

@@ -0,0 +1,32 @@
+package com.study.realworld.global.error.exception;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import org.springframework.http.HttpStatus;
+
+@JsonFormat(shape = JsonFormat.Shape.OBJECT)
+public enum ErrorCode {
+    ;
+
+    private final HttpStatus status;
+    private final String code;
+    private final String message;
+
+    ErrorCode(HttpStatus status, String code, String message) {
+        this.status = status;
+        this.code = code;
+        this.message = message;
+    }
+
+    public HttpStatus getStatus() {
+        return status;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+}