public static HttpSinkDTO getFromRequest(HttpSinkRequest request, String extParams) {
        HttpSinkDTO dto = StringUtils.isNotBlank(extParams)
                ? HttpSinkDTO.getFromJson(extParams)
                : new HttpSinkDTO();
        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/sink/http/HttpSinkDTO.java