if (crawlingInfo == null) {
            throw new FessSystemException("Crawling Session is null.");
        }
        final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
        if (crawlingInfo.getCreatedTime() == null) {
            crawlingInfo.setCreatedTime(now);
        }
    }

    /**

            }
        }

        return Constants.TRUE;

    }

    protected synchronized void initDocPathPattern() {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

        if (includedDocPathPatterns == null) {
            if (StringUtil.isNotBlank(getIncludedDocPaths())) {
                final List<Pattern> pathPatterList = new ArrayList<>();

     */
    public static OptionalEntity<RelatedContent> getRelatedContent(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 -> {

         */
        public LabelTypePattern(final String value, final String includedPaths, final String excludedPaths) {
            this.value = value;

            final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
            if (StringUtil.isNotBlank(includedPaths)) {
                final StringBuilder buf = new StringBuilder(100);
                char split = 0;

        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final Date documentExpires = crawlingInfoHelper.getDocumentExpires(config);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

         */
        protected MappingUpdater(final CharMappingItem newItem) {
            try {
                newFile = ComponentUtil.getSystemHelper().createTempFile(MAPPING, ".txt");
                writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(newFile), Constants.UTF_8));
            } catch (final Exception e) {

                    BadWord badWord = badWordBhv.selectEntity(cb -> cb.query().setSuggestWord_Equal(target)).orElse(null);//TODO
                    final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                    if (isDelete) {
                        badWordBhv.delete(badWord);
                    } else if (badWord == null) {
                        badWord = new BadWord();

        validateApi(body, messages -> {});
        return asStream("badword.csv").contentTypeOctetStream().stream(out -> {
            final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-badword-", ".csv").toPath();
            try {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {

            return groups;
        }

        @Override
        public String[] getPermissions() {
            if (permissions == null) {
                final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
                final Set<String> permissionSet = new HashSet<>();
                permissionSet.add(systemHelper.getSearchRoleByUser(nameId));

     * @return An optional entity of a data config.
     */
    public static OptionalEntity<DataConfig> getDataConfig(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 -> {