public static RedisSourceDTO getFromRequest(RedisSourceRequest request, String extParams) {
        RedisSourceDTO dto = StringUtils.isNotBlank(extParams)
                ? RedisSourceDTO.getFromJson(extParams)
                : new RedisSourceDTO();
        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/source/redis/RedisSourceDTO.java