public static KafkaClusterDTO getFromRequest(KafkaClusterRequest request, String extParams) {
        KafkaClusterDTO dto = StringUtils.isNotBlank(extParams)
                ? KafkaClusterDTO.getFromJson(extParams)
                : new KafkaClusterDTO();
        dto.setBootstrapServers(request.getUrl());
        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/cluster/kafka/KafkaClusterDTO.java