protected String sessionId;

    /** The HTTP method used for the URL in the queue. */
    protected String method;

    /** The URL from the queue. */
    protected String url;

    /** The metadata associated with the URL queue. */
    protected String metaData;

    /** The encoding of the URL queue. */
    protected String encoding;

     *   <li>' with &amp;apos;</li>
     * </ul>
     * Additionally, it strips invalid XML characters from the input string.
     *
     * @param value the input string to be escaped
     * @return the escaped XML string with invalid characters removed
     */
    public static String escapeXml(final String value) {
        return stripInvalidXMLCharacters(//
                value//

    }

    public void test_parseCommand() {
        final CommandExtractor extractor = new CommandExtractor();

        String cmd = "";
        final Map<String, String> params = new HashMap<String, String>();
        List<String> list = extractor.parseCommand(cmd, params);
        assertEquals(0, list.size());

        cmd = "test.sh";
        params.clear();

    }

    /**
     * Normalizes an encoding string to its preferred form.
     *
     * @param enc the encoding string to normalize
     * @return the normalized encoding or the default encoding if the input is blank
     */
    public String normalize(final String enc) {
        if (StringUtil.isBlank(enc)) {
            return defaultEncoding;
        }

        final String newEnc = encodingMap.get(toLowerCase(enc));

     */
    public void addPassword(final String regex, final String password) {
        passwordMap.put(Pattern.compile(regex), password);
    }

    /**
     * Returns the password for the given parameters.
     * @param params The parameters.
     * @return The password.
     */
    protected String getPassword(final Map<String, String> params) {
        final String url = params != null ? params.get(ExtractData.URL) : null;

     * The URL pattern.
     */
    protected String urlPattern = "^(.*:/+)([^/]*)(.*)$";

    /**
     * The include filtering pattern.
     */
    protected String includeFilteringPattern;

    /**
     * The exclude filtering pattern.
     */
    protected String excludeFilteringPattern;

    /**
     * The cached include set.
     */
    protected Set<String> cachedIncludeSet = new LinkedHashSet<>();

    /**

     *
     * @return a String representing the metadata.
     */
    String getMetaData();

    /**
     * Sets the metadata for the URL queue.
     *
     * @param metaData the metadata to set
     */
    void setMetaData(String metaData);

    /**
     * Retrieves the encoding of the URL queue.
     *
     * @return the encoding as a String.
     */
    String getEncoding();

    /**

     */
    @Override
    public String getTransformerName() {
        return transformerName;
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.entity.AccessResultData#setTransformerName(java.lang
     * .String)
     */
    @Override
    public void setTransformerName(final String transformerName) {
        this.transformerName = transformerName;
    }

     */
    @Override
    public InetAddress[] resolve(final String host) throws UnknownHostException {
        return InetAddress.getAllByName(toAscii(host));
    }

    /**
     * Decodes the given host string using the specified encoding.
     *
     * @param host the host string to decode
     * @return the decoded host string
     */
    protected String decode(final String host) {
        if (host.indexOf('%') == -1) {

        final Extractor extractor = new Extractor() {
            public ExtractData getText(final InputStream in, final Map<String, String> params) {
                return null;
            }
        };

        assertNull(extractorFactory.getExtractor("test"));
        final List<String> list = new ArrayList<String>();
        list.add("test");
        extractorFactory.addExtractor(list, extractor);