its-op-server/src/main/java/com/its/op/exception/ErrorResponse.java

package com.its.op.exception;

import lombok.Builder;
import lombok.Getter;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

@Getter
public class ErrorResponse {
    private LocalDateTime timestamp;
    private final int status;
    private String title;
    private final String message;
    private List<String> errors;

    @Builder
    public ErrorResponse(LocalDateTime timestamp, int status, String title, String message, List<String> errors) {
        this.timestamp    = timestamp;
        this.status    = status;
        this.title = title;
        this.message = message;
        this.errors  = errors;//initErrors(errors);
    }

    private List<FieldError> initErrors(List<FieldError> errors) {
        return (errors == null) ? new ArrayList<>() : errors;
    }
/*
    public static ErrorResponse buildError(ErrorCode errorCode) {
        return ErrorResponse.builder()
                .code(errorCode.getCode())
                .message(errorCode.getMessage())
                .build();
    }*/

    @Getter
    public static class FieldError {
        private final String field;
        private final String value;
        private final String reason;

        @Builder
        public FieldError(String field, String value, String reason) {
            this.field = field;
            this.value = value;
            this.reason = reason;
        }
    }

}