super();
    }

    /**
     * Extracts text from the PowerPoint input stream.
     * @param in The input stream.
     * @param params The parameters.
     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }

        // TODO: Support other XML header types
        return "<?xml version=\"1.0\"?>\n<doc>\n";
    }

    /**
     * Returns the result data body for a single value.
     * @param name The name of the field.
     * @param value The value of the field.
     * @return The result data body.
     */
    protected String getResultDataBody(final String name, final String value) {
        // TODO: Support other XML footer types

     */
    @Override
    protected Pattern getTagPattern() {
        // not used
        return null;
    }

    /**
     * Adds a feature to the extractor.
     *
     * @param key   the key of the feature
     * @param value the value of the feature
     */
    public void addFeature(final String key, final String value) {
        if (StringUtil.isBlank(key) || StringUtil.isBlank(value)) {

    /**
     * Sets the server address.
     * @param server The server address.
     */
    public void setServer(final String server) {
        this.server = server;
    }

    /**
     * Returns the port number.
     * @return The port number.
     */
    public int getPort() {
        return port;
    }

    /**
     * Sets the port number.
     * @param port The port number.
     */

     * Sets the rule ID for this rule.
     *
     * @param ruleId the rule ID to set
     */
    public void setRuleId(final String ruleId) {
        this.ruleId = ruleId;
    }

    @Override
    public ResponseProcessor getResponseProcessor() {
        return responseProcessor;
    }

    /**
     * Sets the response processor for this rule.
     *
     * @param responseProcessor the response processor to set
     */

    }

    /**
     * Sets the HTTP method for this request.
     * @param method the HTTP method
     */
    public void setMethod(final Method method) {
        this.method = method;
    }

    /**
     * Sets the HTTP method for this request using a string value.
     * Defaults to GET if the method is not recognized.
     * @param method the HTTP method as a string
     */

         * Array of space characters. Default includes common space characters.
         */
        private int[] spaceChars = { '\u0020', '\u00a0', '\u3000', '\ufffd' };

        /**
         * Constructor.
         * @param reader The reader.
         */
        public TextNormalizeContext(final Reader reader) {
            this.reader = reader;
        }

        /**

        // Default constructor
    }

    /**
     * Adds a sitemap to this set.
     * @param sitemap the sitemap to add
     */
    public void addSitemap(final Sitemap sitemap) {
        sitemapList.add(sitemap);
    }

    /**
     * Removes a sitemap from this set.
     * @param sitemap the sitemap to remove
     */
    public void removeSitemap(final Sitemap sitemap) {

     * One instance will be shared throughout the container's lifecycle.
     * @param <T> the type of the component
     * @param name the name of the component
     * @param cls the class of the component
     * @param initializer the initializer consumer for the component
     * @param destroyer the destroyer consumer for the component
     * @return this container instance for method chaining
     */

        } finally {
            xpathAPI.remove();
        }
    }

    /**
     * Extracts strings from a document using the specified XPath expression.
     *
     * @param document the DOM document to extract strings from
     * @param path the XPath expression to evaluate
     * @return an array of strings extracted from the document
     */
    protected String[] getStringsByXPath(final Document document, final String path) {