return null;
            }

            userCode = getUserCodeFromCookie(request);
            if (StringUtil.isBlank(userCode)) {
                userCode = getUserCodeFromUserBean(request);
                if (StringUtil.isBlank(userCode)) {
                    userCode = getId();
                }
            }

            if (StringUtil.isNotBlank(userCode)) {

    }

    protected File getOsddFile() {
        if (!isOsddLinkEnabled()) {
            logger.debug("OSDD is disabled.");
            return null;
        }
        if (StringUtil.isBlank(osddPath)) {
            logger.info("OSDD file is not found.");
            return null;
        }
        final String path = LaServletContextUtil.getServletContext().getRealPath(osddPath);
        if (path == null) {

                        if (!mappingList.isEmpty()) {
                            elevateWordToLabelBhv.batchInsert(mappingList);
                        }
                    } else if (StringUtil.isBlank(reading) && StringUtil.isBlank(boost)) {
                        elevateWordBhv.delete(elevateWord);
                        final String id = elevateWord.getId();

    }

    protected static String[] getDefaultGroupsAsArray() {
        final String value = ComponentUtil.getFessConfig().getSystemProperty("oic.default.groups");
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        return split(value, ",").get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).toArray(n -> new String[n]));
    }

        ComponentUtil.getThumbnailManager().add(this);
    }

    public void addCondition(final String key, final String regex) {
        final String value = conditionMap.get(key);
        if (StringUtil.isBlank(value)) {
            conditionMap.put(key, regex);
        } else {
            conditionMap.put(key, value + "|" + regex);
        }
    }

    @Override

                    logger.debug("add {} field", lf);
                }
            }
        }
    }

    protected String detectLanguage(final String text) {
        if (StringUtil.isBlank(text)) {
            return null;
        }
        final String target = getDetectText(text);
        final LanguageResult result = detector.detect(target);
        if (logger.isDebugEnabled()) {

                }
            }

            String r = realm;
            if (StringUtil.isBlank(realm)) {
                r = AuthScope.ANY_REALM;
            }

            String s = scheme;
            if (StringUtil.isBlank(scheme) || Constants.NTLM.equals(scheme)) {
                s = AuthScope.ANY_SCHEME;
            }

        } catch (final UnsupportedEncodingException e) {
            return path;
        }
    }

    public String normalizeConfigPath(final String path) {

        if (StringUtil.isBlank(path)) {
            return StringUtils.EMPTY;
        }

        final String p = path.trim();
        if (p.startsWith("#")) {
            return StringUtils.EMPTY;
        }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String slackWebhookUrls = fessConfig.getSlackWebhookUrls();
        if (StringUtil.isBlank(slackWebhookUrls)) {
            return;
        }
        final String body = toSlackMessage(discloser);
        StreamUtil.split(slackWebhookUrls, "[,\\s]").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(url -> {

    FessConfig getFessConfig();

    Logger getLogger();

    default String getHost(final String u) {
        if (StringUtil.isBlank(u)) {
            return StringUtil.EMPTY; // empty
        }

        String url = u;
        final String originalUrl = url;

        int idx = url.indexOf("://");
        if (idx >= 0) {