}
        }
        if (logger.isDebugEnabled()) {
            logger.debug("process authentication: url: {}, params: {}", urlBuf, params);
        }

        // validate that state in response equals to state in request
        final StateData stateData = validateState(request.getSession(), params.containsKey(STATE) ? params.get(STATE).get(0) : null);
        if (logger.isDebugEnabled()) {

        if (loginCredential == null) {
            if (ssoManager.available()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("SSO is available but no user found.");
                }
                saveError(messages -> messages.addErrorsSsoLoginError(GLOBAL));
            }
            if (logger.isDebugEnabled()) {
                logger.debug("Redirecting to login page.");
            }

            thread.start();
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManager started.");
            }
        }
    }

    /**
     * Stops the process.
     */
    public synchronized void stop() {
        if (thread != null) {
            thread.interrupt();
            thread = null;
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManager stopped.");

    }

    @Override
    public void debug(CharSequence content) {
        if (isDebugEnabled()) {
            logger.debug(toString(content));
        }
    }

    @Override
    public void debug(CharSequence content, Throwable error) {
        if (isDebugEnabled()) {
            logger.debug(toString(content), error);
        }
    }

    @Override

        if (logger.isDebugEnabled()) {
            logger.debug("SID:{}", sid);
        }
        final int type = sid.getType();
        sidSet.add(sid);
        if (type == SID.SID_TYPE_DOM_GRP || type == SID.SID_TYPE_ALIAS) {
            try {
                final CIFSContext context = file.getContext();
                if (logger.isDebugEnabled()) {

     */
    public LanguageHelper() {
        // do nothing
    }

    /**
     * Initializes the helper.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

     */
    public void add(final ThumbnailGenerator generator) {
        if (generator.isAvailable()) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} is available.", generator.getName());
            }
            generatorList.add(generator);
        } else if (logger.isDebugEnabled()) {
            logger.debug("{} is not available.", generator.getName());
        }
    }

    /**

            }
        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("container was destroyed.");
            }
            return;
        } catch (final Exception e) {
            if (!ComponentUtil.available()) {
                if (logger.isDebugEnabled()) {
                    logger.debug("container was destroyed.");
                }

            p += path;
        }
        try {
            if (log.isDebugEnabled()) {
                log.debug("Fetching referral for " + p);
            }
            final DfsReferralData dr = trans.getDfsReferrals(tf, p, targetHost, targetDomain, 0);
            if (dr != null) {

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Referral for %s: %s", p, dr));

        }
    }

    @Override
    public void error(Throwable error) {
        logger.error("", error);
    }

    @Override
    public boolean isDebugEnabled() {
        return logger.isDebugEnabled();
    }

    @Override
    public boolean isInfoEnabled() {
        return logger.isInfoEnabled();
    }

    @Override
    public boolean isWarnEnabled() {