* Registers an SSO authenticator with this manager.
     *
     * @param authenticator The SSO authenticator to register
     */
    public void register(final SsoAuthenticator authenticator) {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", authenticator.getClass().getSimpleName());
        }
        authenticatorList.add(authenticator);
    }

    void debug(Supplier<String> content);

    void debug(Supplier<String> content, Throwable error);

    /**
     * {@return true if the <b>info</b> error level is enabled}
     */
    boolean isInfoEnabled();

    /**
     * Sends a message to the user in the <b>info</b> error level.
     *
     * @param content the message to log
     */
    void info(CharSequence content);

    /**

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("ThumbnailGenerator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("ThumbnailGenerator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("SuggestCreator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {

            createSystemProperties(cmdList, propFile);

            final File baseDir = new File(servletContext.getRealPath("/WEB-INF")).getParentFile();

            if (logger.isInfoEnabled()) {
                logger.info("Crawler: \nDirectory={}\nOptions={}", baseDir, cmdList);
            }

            final JobProcess jobProcess = processHelper.startProcess(sessionId, cmdList, pb -> {

        }

        if (cae.isDebugEnabled()) {
            logger.debug("[{}] Crawling Access Exception at {}", failureUrlId, urlQueue.getUrl(), cae);
        } else if (cae.isInfoEnabled()) {
            logger.info("[{}] {}", failureUrlId, cae.getMessage());
        } else if (cae.isWarnEnabled()) {
            logger.warn("[{}] Crawling Access Exception at {}", failureUrlId, urlQueue.getUrl(), cae);

            if (logger.isDebugEnabled()) {
                logger.debug("{} is already visited.", robotTxtUrl);
            }
            return;
        }

        if (logger.isInfoEnabled()) {
            logger.info("Checking URL: {}", robotTxtUrl);
        }
        // add url to a set
        crawlerContext.getRobotsTxtUrlSet().add(robotTxtUrl);

    /**
     * Registers this API manager with the web API manager factory.
     * Called automatically after construction via @PostConstruct.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getWebApiManagerFactory().add(this);
    }

    @Override

            try {
                return new String(data, encoding == null ? Constants.UTF_8 : encoding);
            } catch (final UnsupportedEncodingException e) {
                if (logger.isInfoEnabled()) {
                    logger.info("Invalid charsetName: " + encoding + ". Changed to " + Constants.UTF_8, e);
                }
                return new String(data, Constants.UTF_8_CHARSET);
            }

                if (Charset.isSupported(enc)) {
                    return enc;
                }
            }
        } catch (final Exception e) {
            if (logger.isInfoEnabled()) {
                logger.info("Use a default encoding: " + encoding, e);
            }
        } finally {
            try {
                bis.reset();
            } catch (final IOException e) {