public static COSDataNodeDTO getFromRequest(COSDataNodeRequest request, String extParams) {
        COSDataNodeDTO dto = StringUtils.isNotBlank(extParams)
                ? COSDataNodeDTO.getFromJson(extParams)
                : new COSDataNodeDTO();
        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/node/cos/COSDataNodeDTO.java