* <p>
     * If the object is null, an empty list is returned.
     * If the object is a string, a list containing that string is returned.
     * If the object is a list, it is cast to a list of strings and returned.
     * </p>
     *
     * @param value the object to be converted to a list of strings
     * @return a list of strings representing the given object

            break;
        case CHECK_LAST_MODIFIED:
            processCheckLastModified(objs);
            break;
        case NOT_MODIFIED:
            processNotModified(objs);
            break;
        case GET_CONTENT:
            processGetContent(objs);
            break;
        case REDIRECT_LOCATION:
            processRedirectLocation(objs);
            break;
        case PROCESS_RESPONSE:

                if (logger.isDebugEnabled()) {
                    logger.warn("[{}][{}] Failed to analyze a last text(size:{}).", field, lang, buf.length(), e);
                } else {
                    logger.warn("[{}][{}] Failed to analyze a last text(size:{}). {}", field, lang, buf.length(), e.getMessage());
                }
            }
        }
        return tokens;
    }

                case 'ｽ':
                    return 'ズ';
                case 'ｾ':
                    return 'ゼ';
                case 'ｿ':
                    return 'ゾ';
                case 'ﾀ':
                    return 'ダ';
                case 'ﾁ':
                    return 'ヂ';
                case 'ﾂ':
                    return 'ヅ';
                case 'ﾃ':
                    return 'デ';

 * It uses a ConcurrentMap to store the last access time for each host.
 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,
 * ensuring that requests to the same host are not made too frequently.
 * The delay is calculated based on the configured delayMillisBeforeProcessing parameter.
 * If the time since the last request to the host is less than the configured delay,

        this.loc = loc;
    }

    /**
     * Returns the last modification date of this sitemap entry.
     * @return the last modification date
     */
    @Override
    public String getLastmod() {
        return lastmod;
    }

    /**
     * Sets the last modification date of this sitemap entry.
     * @param lastmod the last modification date to set
     */

        try {
            switch (type) {
            case PRE_PROCESSING:
                delayBeforeProcessing();
                break;
            case POST_PROCESSING:
                delayAfterProcessing();
                break;
            case NO_URL_IN_QUEUE:
                delayAtNoUrlInQueue();
                break;
            case WAIT_NEW_URL:
                delayForWaitingNewUrl();

 * It extends the Serializable interface to allow sitemap objects to be serialized.
 */
public interface Sitemap extends Serializable {

    /**
     * Retrieves the location (URL) of the sitemap.
     *
     * @return the location of the sitemap as a String.
     */
    String getLoc();

    /**
     * Retrieves the last modification date of the sitemap.
     *

    /**
     * Returns the last modified time of the accessed resource.
     *
     * @return the last modified time
     */
    Long getLastModified();

    /**
     * Sets the last modified time of the accessed resource.
     *
     * @param lastModified the last modified time
     */
    /**
     * Sets the last modified time of the accessed resource.
     *

     * @see org.codelibs.fess.crawler.entity.Sitemap#getLastmod()
     */
    @Override
    public String getLastmod() {
        return lastmod;
    }

    /**
     * Sets the last modification time of the sitemap.
     * @param lastmod the last modification time in W3C Datetime format
     */
    public void setLastmod(final String lastmod) {
        this.lastmod = lastmod;
    }

    /**