"CrawlerClient is null for URL: " + url + ". Unable to access the document without a crawler client.");
        }

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();
        try (final ResponseData responseData = client.execute(RequestDataBuilder.newRequestData().get().url(url).build())) {

     */
    public static OptionalEntity<ScheduledJob> getScheduledJob(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        return getEntity(form, username, currentTime).map(entity -> {

     * @return optional label type entity
     */
    public static OptionalEntity<LabelType> getLabelType(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        return getEntity(form, username, currentTime).map(entity -> {

    }

    default String getUserAgentName() {
        return getSystemProperty(Constants.CRAWLING_USER_AGENT_PROPERTY, Constants.CRAWLING_USER_AGENT_PREFIX
                + ComponentUtil.getSystemHelper().getProductVersion() + Constants.CRAWLING_USER_AGENT_SUFFIX);
    }

    default void setLtrModelName(final String value) {
        setSystemProperty(Constants.LTR_MODEL_NAME_PROPERTY, value);
    }

                if (job.getCreatedBy() != null) {
                    user = job.getCreatedBy();
                }
            } else {
                try {
                    user = ComponentUtil.getSystemHelper().getUsername();
                } catch (final Exception e) {
                    // Ignore - background job context
                }
            }

    protected boolean isContentUpdated(final CrawlerClient client, final UrlQueue<?> urlQueue) {
        if (ComponentUtil.getFessConfig().isIncrementalCrawling()) {

            final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
            final long startTime = systemHelper.getCurrentTimeAsLong();

            final FessConfig fessConfig = ComponentUtil.getFessConfig();

     * @return an optional WebConfig entity with updated metadata
     */
    public static OptionalEntity<WebConfig> getWebConfig(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        return getEntity(form, username, currentTime).map(entity -> {

        validate(form, messages -> {}, this::asIndexHtml);
        verifyTokenKeep(this::asIndexHtml);

        final String diagnosticId = "log" + new SimpleDateFormat("yyyyMMddHHmm").format(ComponentUtil.getSystemHelper().getCurrentTime());
        return asStream(diagnosticId + ".zip").contentTypeOctetStream().stream(out -> {
            try (ZipOutputStream zos = new ZipOutputStream(out.stream())) {

         */
        protected SynonymUpdater(final SynonymItem newItem) {
            FileOutputStream fos = null;
            try {
                newFile = ComponentUtil.getSystemHelper().createTempFile(SYNONYM, ".txt");
                fos = new FileOutputStream(newFile);
                writer = new BufferedWriter(new OutputStreamWriter(fos, Constants.UTF_8));

        if (docList.isEmpty()) {
            return;
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long execTime = systemHelper.getCurrentTimeAsLong();
        if (logger.isDebugEnabled()) {
            logger.debug("Sending {} documents to a server.", docList.size());
        }
        try {