} else if ((value = getValue(CRAWL_DELAY_RECORD, line)) != null) {
                        if (!currentDirectiveList.isEmpty()) {
                            try {
                                final int crawlDelay = Integer.parseInt(value);
                                for (final Directive directive : currentDirectiveList) {
                                    directive.setCrawlDelay(Math.max(0, crawlDelay));

     */
    public AbstractIntervalController() {
        // NOP
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.interval.IntervalController#delay(int)
     */
    @Override
    public void delay(final int type) {
        try {
            switch (type) {
            case PRE_PROCESSING:
                delayBeforeProcessing();
                break;
            case POST_PROCESSING:

        // nothing
    }

    @Override
    public String normalize(final String text, final String field, final String... langs) {
        final char[] chars = new char[text.length()];
        for (int i = 0; i < chars.length; i++) {
            final char c = text.charAt(i);
            if (c >= 'ａ' && c <= 'ｚ') {
                chars[i] = (char) (c - 'ａ' + 'a');
            } else if (c >= 'Ａ' && c <= 'Ｚ') {

        final List<String> list = new ArrayList<>();

        final List<StringBuilder> bufList = new ArrayList<>();
        bufList.add(new StringBuilder());
        for (int i = 0; i < text.length();) {
            String[] alphabets;
            if (i + 1 < text.length() && convertMap.get(text.substring(i, i + 2)) != null) {
                alphabets = convertMap.get(text.substring(i, i + 2));

     *
     * @return the preload size in bytes
     */
    public int getPreloadSizeForCharset() {
        return preloadSizeForCharset;
    }

    /**
     * Sets the preload size for charset detection.
     *
     * @param preloadSizeForCharset the preload size in bytes to set
     */
    public void setPreloadSizeForCharset(final int preloadSizeForCharset) {
        this.preloadSizeForCharset = preloadSizeForCharset;

        // NOP
    }

    /**
     * Registers this rule with the {@link RuleManager}.
     *
     * @param index the index at which the rule should be registered
     */
    public void register(final int index) {
        final RuleManager ruleManager = crawlerContainer.getComponent("ruleManager");
        ruleManager.addRule(index, this);
    }

    @Override
    public String getRuleId() {
        return ruleId;

        final TimeUnit timeUnit = TimeUnit.valueOf(getInitParameter(TIME_TO_LIVE_TIME_UNIT_PROPERTY, "MINUTES", String.class));
        final int maxTotal = getInitParameter(MAX_TOTAL_CONNECTION_PROPERTY, 200, Integer.class);
        final int defaultMaxPerRoute = getInitParameter(DEFAULT_MAX_CONNECTION_PER_ROUTE_PROPERTY, 20, Integer.class);

        final PoolingHttpClientConnectionManager connectionManager =

     */
    /**
     * Adds a rule to the specified index.
     *
     * @param index the position at which the rule should be added
     * @param rule the rule to be added
     */
    void addRule(int index, Rule rule);

    /**
     * Removes the specified rule from the rule manager.
     *
     * @param rule the rule to be removed
     * @return true if the rule was successfully removed, false otherwise
     */

    /**
     * Returns the weight of the extractor.
     * The default implementation returns a weight of 1.
     *
     * @return the weight of the extractor
     */
    default int getWeight() {
        return 1;
    }

    }

    /**
     * Retrieves a setting value as an int.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as an int.
     */
    public int getAsInt(final String key, final int defaultValue) {
        final Object obj = get(key);

        final int value;
        if (obj == null) {
            value = defaultValue;