public static InlongKafkaDTO getFromRequest(InlongKafkaRequest request, String extParams) {
        InlongKafkaDTO dto = StringUtils.isNotBlank(extParams)
                ? InlongKafkaDTO.getFromJson(extParams)
                : new InlongKafkaDTO();
        return CommonBeanUtils.copyProperties(request, dto, true);
    }
Get the dto instance from the request
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/group/kafka/InlongKafkaDTO.java