@PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();
        split(fessConfig.getSuggestFieldContents(), ",")
                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(contentFieldNameSet::add));

    @Override
    public String getQueueIndex() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerIndex() + ".queue";
    }

    /**
     * Gets the name of the data index for the crawler.
     *
     * @return the data index name
     */
    @Override
    public String getDataIndex() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerIndex() + ".data";
    }

    /**

    private static final int BATCH_SIZE = 100;
    private volatile boolean indexChecked = false;

    @Override
    public void expired() {
        try {
            if (!ComponentUtil.getFessConfig().isLogNotificationEnabled()) {
                return;
            }
        } catch (final Exception e) {
            return;
        }

        final LogNotificationHelper helper;
        try {

     */
    public void sendDocuments(final SearchEngineClient searchEngineClient, final DocList docList) {
        if (docList.isEmpty()) {
            return;
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long execTime = systemHelper.getCurrentTimeAsLong();
        if (logger.isDebugEnabled()) {

    }

    /**
     * Gets the default groups as an array.
     *
     * @return the default groups
     */
    protected static String[] getDefaultGroupsAsArray() {
        final String value = ComponentUtil.getFessConfig().getSystemProperty("oic.default.groups");
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }

    /**
     * Get the write call for search log ndjson.
     * @return The write call.
     */
    public static Consumer<Writer> getSearchLogNdjsonWriteCall() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long timeout = fessConfig.getIndexBackupLogLoadTimeoutAsInteger().longValue();
        return writer -> {

        super.setUp(testInfo);
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        apiFailureHook = new FessApiFailureHook();
        originalFessConfig = ComponentUtil.getFessConfig();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        if (originalFessConfig != null) {
            ComponentUtil.setFessConfig(originalFessConfig);
        }

     */
    protected void sendToSlack(final CardView cardView, final SMailPostingDiscloser discloser) {
        // https://api.slack.com/messaging/webhooks#posting_with_webhooks
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String slackWebhookUrls = fessConfig.getSlackWebhookUrls();
        if (StringUtil.isBlank(slackWebhookUrls)) {
            return;
        }
        final String body = toSlackMessage(discloser);

    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final long windowMs = fessConfig.getRateLimitWindowMsAsInteger().longValue();
        final long blockDurationMs = fessConfig.getRateLimitBlockDurationMsAsInteger().longValue();

     * @return a unique hashed ID string for the document
     */
    public String generateId(final Map<String, Object> dataMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String url = (String) dataMap.get(fessConfig.getIndexFieldUrl());
        final StringBuilder buf = new StringBuilder(1000);

        @SuppressWarnings("unchecked")