[BE] 백엔드 개발 작업용 사전 작업 (#27, #28, #39)

backend/src/main/java/corea/exception/CoreaException.java

@@ -0,0 +1,18 @@
+package corea.exception;
+
+public class CoreaException extends Exception {
+    private final ExceptionType exceptionType;
+
+    public CoreaException(ExceptionType exceptionType) {
+        this.exceptionType = exceptionType;
+    }
+
+    public CoreaException(ExceptionType exceptionType, Throwable cause) {
+        super(cause);
+        this.exceptionType = exceptionType;
+    }
+
+    public ExceptionType getExceptionType() {
+        return exceptionType;
+    }
+}

backend/src/main/java/corea/exception/ErrorResponse.java

@@ -0,0 +1,4 @@
+package corea.exception;
+
+public record ErrorResponse(String message) {
+}

backend/src/main/java/corea/exception/ExceptionType.java

@@ -0,0 +1,20 @@
+package corea.exception;
+
+import org.springframework.http.HttpStatus;
+
+public enum ExceptionType {
+    SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR,"서버에 문제가 발생했습니다.");
+    private final HttpStatus httpStatus;
+    private final String message;
+
+    ExceptionType(final HttpStatus httpStatus, final String message) {
+        this.httpStatus = httpStatus;
+        this.message = message;
+    }
+    public HttpStatus getHttpStatus() {
+        return httpStatus;
+    }
+    public String getMessage() {
+        return message;
+    }
+}