*
     * @param sessionId unique identifier for this crawling session
     */
    public void crawl(final String sessionId) {
        final List<DataConfig> configList = ComponentUtil.getCrawlingConfigHelper().getAllDataConfigList();

        if (configList.isEmpty()) {
            // nothing
            if (logger.isInfoEnabled()) {
                logger.info("No crawling target data.");
            }

            final long startTime = systemHelper.getCurrentTimeAsLong();

            final FessConfig fessConfig = ComponentUtil.getFessConfig();
            final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
            final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
            final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();

        saveToken();
        return asEditHtml().useForm(CreateForm.class, op -> {
            op.setup(form -> {
                form.initialize();
                ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.DATA).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();

     */
    protected boolean process(final String id, final Predicate<ResponseData> consumer) {
        return process(id, (configId, url) -> {
            final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
            final CrawlingConfig config = crawlingConfigHelper.getCrawlingConfig(configId);
            if (config == null) {
                throw new ThumbnailGenerationException("No CrawlingConfig: " + configId);

     * @return The data.
     */
    protected Map<String, Object> generateData(final ResponseData responseData) {
        final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
        final CrawlingConfig crawlingConfig = crawlingConfigHelper.get(responseData.getSessionId());
        final Extractor extractor = getExtractor(responseData);

        saveToken();
        return asHtml(path_AdminFileconfig_AdminFileconfigEditJsp).useForm(CreateForm.class, op -> {
            op.setup(form -> {
                form.initialize();
                ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.FILE).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();

        saveToken();
        return asEditHtml().useForm(CreateForm.class, op -> {
            op.setup(form -> {
                form.initialize();
                ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.WEB).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();

     */
    protected Map<String, String> getConfigPrameterMap(final ResponseData responseData, final ConfigName config) {
        final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
        final CrawlingConfig crawlingConfig = crawlingConfigHelper.get(responseData.getSessionId());
        return crawlingConfig.getConfigParameterMap(config);
    }

    /**

                        }
                        doc.remove(thumbnailField);
                    }
                });
            }
            final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
            synchronized (searchEngineClient) {
                final long deletedDocCount = deleteOldDocuments(searchEngineClient, docList);
                if (logger.isDebugEnabled()) {

            logger.debug("writing the content of: {}", doc);
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
        final String configId = DocumentUtil.getValue(doc, fessConfig.getIndexFieldConfigId(), String.class);
        if (configId == null) {
            throw new FessSystemException("configId is null.");