* Gets the Fess configuration instance.
     *
     * @return the Fess configuration object
     */
    FessConfig getFessConfig();

    /**
     * Gets the logger instance for this transformer.
     *
     * @return the logger instance
     */
    Logger getLogger();

    /**
     * Extracts the host name from a URL string.
     * Removes protocol and path components to return just the hostname.
     *

                            if (logger.isDebugEnabled()) {
                                logger.debug("Authentication failed.");
                            }
                            return null;
                        }

                        final List<String> errors = auth.getErrors();
                        if (!errors.isEmpty()) {

            if (logger.isDebugEnabled()) {
                logger.debug("Updating scheduled jobs: time={}", schedulerTime);
            }
            final long now = systemHelper.getCurrentTimeAsLong();
            scheduledJobService.getScheduledJobListAfter(schedulerTime).forEach(scheduledJob -> {
                if (logger.isDebugEnabled()) {

 * Path mappings define URL path transformations and redirections for crawling and indexing.
 */
public class ApiAdminPathmapAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminPathmapAction.class);

    // ===================================================================================

 * Related content settings define content relationships and associations for search results.
 */
public class ApiAdminRelatedcontentAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminRelatedcontentAction.class);

    // ===================================================================================

            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to select a job by {}", id, e);
                }
                lastException = e;
                ThreadUtil.sleep(RandomUtils.nextLong(500, 5000));
            }
        }
        logger.warn("Failed to select a job by {}", id, lastException);
        return OptionalEntity.empty();

                if (statusCode >= 400 && statusCode < 500) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Failed to access Web API.", e);
                    }
                } else {
                    logger.warn("Failed to access Web API.", e);
                }
                message = e.getMessage();
            } else {

        if (logger.isDebugEnabled()) {
            smb1AuthList.forEach(smb1Auth -> logger
                    .debug("Smb1Authentication: " + smb1Auth.getServer() + ":" + smb1Auth.getPort() + " " + smb1Auth.getUsername()));
        }
        paramMap.put(Param.Client.FTP_AUTHENTICATIONS, ftpAuthList.toArray(new FtpAuthentication[ftpAuthList.size()]));
        if (logger.isDebugEnabled()) {

 * in Fess web templates, including date formatting, localization, file operations, and
 * query parameter handling.
 *
 * @since 1.0
 */
public class FessFunctions {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FessFunctions.class);

    /** Prefix for geographic query parameters */
    private static final String GEO_PREFIX = "geo.";

                if (logger.isDebugEnabled()) {
                    logger.debug("Loading KeyMatch Query: {}, Size: {}", keyMatch.getQuery(), keyMatch.getMaxSize());
                }
                getDocumentList(keyMatch).stream().map(doc -> {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Loaded KeyMatch doc: {}", doc);
                    }