* Constructor with configurable delay parameters.
     *
     * @param params map containing delay parameters
     */
    public DefaultIntervalController(final Map<String, Long> params) {
        Long millis = params.get("delayMillisAfterProcessing");
        if (millis != null) {
            delayMillisAfterProcessing = millis;
        }

        millis = params.get("delayMillisAtNoUrlInQueue");
        if (millis != null) {

     *
     * @param in      The input stream to be processed by the extractor.
     * @param params  The parameters to be used by the extractor.
     * @return A new ExtractorBuilder instance.
     */
    public ExtractorBuilder builder(final InputStream in, final Map<String, String> params) {
        return new ExtractorBuilder(crawlerContainer, in, params);
    }

            throw new CrawlerSystemException("command is empty.");
        }

        final Map<String, String> params = new HashMap<>();
        params.put("$INPUT_FILE", inputFile.getAbsolutePath());
        params.put("$OUTPUT_FILE", outputFile.getAbsolutePath());

        final List<String> cmdList = parseCommand(command, params);
        if (logger.isInfoEnabled()) {
            logger.info("Command: {}", cmdList);
        }

        final Map<String, String> params = new HashMap<>();
        params.put(ExtractData.RESOURCE_NAME_KEY, filename);
        return getContentType(is, params);
    }

    @Override
    public String getContentType(final InputStream is, final Map<String, String> params) {
        final String filename = params.get(ExtractData.RESOURCE_NAME_KEY);

     * 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;
        if (!passwordMap.isEmpty()) {
            final String resourceName = params != null ? params.get(ExtractData.RESOURCE_NAME_KEY) : null;

            try {
                final String resourceName = params == null ? null : params.get(ExtractData.RESOURCE_NAME_KEY);
                final String contentType = params == null ? null : params.get(ExtractData.CONTENT_TYPE);
                String contentEncoding = params == null ? null : params.get(ExtractData.CONTENT_ENCODING);

            Map<String, Object> params = new HashMap<String, Object>();
            FtpAuthentication auth = new FtpAuthentication();
            auth.setUsername(username);
            auth.setPassword(password);
            params.put(FtpClient.FTP_AUTHENTICATIONS_PROPERTY, new FtpAuthentication[] { auth });
            ftpClient.setInitParameterMap(params);

    }

    /**
     * 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.");
        }
        try {

     * java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("in is null.");
        }

        final String resourceName = params == null ? null : params.get(ExtractData.RESOURCE_NAME_KEY);

        String extension;
        String filePrefix;

        final InputStream in = ResourceUtil.getResourceAsStream("extractor/program/test.java");
        final Map<String, String> params = new HashMap<String, String>();
        params.put("Content-Type", "text/plain");
        params.put("resourceName", "test.java");
        final ExtractData extractData = tikaExtractor.getText(in, params);
        final String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);