}
        return buf;
    }

    public static Consumer<Writer> getSearchLogNdjsonWriteCall() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long timeout = fessConfig.getIndexBackupLogLoadTimeoutAsInteger().longValue();
        return writer -> {

    }

    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxAlphanumTermSizeAsInteger();
    }

    protected int getMaxSymbolTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxSymbolTermSizeAsInteger();
    }

    protected static final String BEARER = "Bearer";

    protected Random random = new SecureRandom();

    public String generateAccessToken() {
        return RandomStringUtils.random(ComponentUtil.getFessConfig().getApiAccessTokenLengthAsInteger(), 0, 0, true, true, null, random);
    }

    public String getAccessTokenFromRequest(final HttpServletRequest request) {
        final String token = request.getHeader("Authorization");

            return value;
        });
    }

    protected <T> T processVirtualHost(final Function<String, T> func, final T defaultValue) {
        final Tuple3<String, String, String>[] vHosts = ComponentUtil.getFessConfig().getVirtualHosts();
        return LaRequestUtil.getOptionalRequest().map(req -> {
            for (final Tuple3<String, String, String> host : vHosts) {
                final String headerValue = req.getHeader(host.getValue1());

    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();
    }

    @Override
    public FessConfig getFessConfig() {
        return fessConfig;
    }

    @Override
    public Logger getLogger() {
        return logger;
    }

    @Override

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        map.put(fessConfig.getIndexFieldBoost(), documentBoost);
        if (logger.isDebugEnabled()) {
            logger.debug("Set a document boost ({}).", documentBoost);
        }
    }

    protected void addClickCountField(final Map<String, Object> doc) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            conditionMap.put(key, value + "|" + regex);
        }
    }

    @Override
    public boolean isTarget(final Map<String, Object> docMap) {
        final String thumbnailFieldName = ComponentUtil.getFessConfig().getIndexFieldThumbnail();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] thumbnail: {}", name, docMap.get(thumbnailFieldName));
        }
        if (!docMap.containsKey(thumbnailFieldName)) {

        if (ComponentUtil.getFessConfig().isIncrementalCrawling()) {

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

            final FessConfig fessConfig = ComponentUtil.getFessConfig();

            newValue = newValue.replace(element, replacement);
        }
        return newValue;
    }

    public String build() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final int maxQueryLength = fessConfig.getQueryMaxLengthAsInteger();
        final StringBuilder queryBuf = new StringBuilder(255);

        final String query = buildBaseQuery();

            start = ComponentUtil.getFessConfig().getPagingSearchPageStartAsInteger();
        }
        return start;
    }

    @Override
    public int getOffset() {
        if (offset == null) {
            offset = 0;
        }
        return offset;
    }

    @Override
    public int getPageSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (num == null) {