accessResultDataImpl.setData(value.getBytes(Constants.UTF_8));
        accessResultDataImpl.setEncoding(Constants.UTF_8);
        accessResultDataImpl.setTransformerName("xmlTransformer");

        final Object obj = xmlTransformer.getData(accessResultDataImpl);
        assertEquals(value, obj);
    }

    public void test_getData_wrongName() throws Exception {

        final Object value = document.get(fieldName);
        if (value instanceof String) {
            return new String[] { value.toString() };
        }
        if (value instanceof String[]) {
            return (String[]) value;
        }
        if (value instanceof List) {
            return ((List<?>) value).stream().map(Object::toString).toArray(n -> new String[n]);
        }

        final int value;
        if (obj == null) {
            value = defaultValue;
        } else {
            value = Integer.parseInt(obj.toString());
        }

        return value;
    }

    /**
     * Retrieves a setting value as a long.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as a long.
     */

                        long size = 0;
                        for (final String field : supportedFields) {
                            final Object value = source.get(field);
                            if (value != null) {
                                size += value.toString().length();
                            }
                        }

                        if (size <= limitOfDocumentSize) {

        value = " javascript:...";
        assertFalse(htmlTransformer.isValidPath(value));

        value = " mailto:...";
        assertFalse(htmlTransformer.isValidPath(value));

        value = " irc:...";
        assertFalse(htmlTransformer.isValidPath(value));

        value = "JAVASCRIPT:...";
        assertFalse(htmlTransformer.isValidPath(value));

        value = "MAILTO:...";

        }
    }

    /**
     * Puts a value into the extract data with appropriate type conversion.
     *
     * @param data the extract data to store the value in
     * @param key the key for the value
     * @param value the value to store
     */
    protected void putValue(final ExtractData data, final String key, final Object value) {
        try {
            if (value instanceof String) {

        } finally {
            server.stop();
        }
    }

    public void test_parseLastModified() {
        final String value = "Mon, 01 Jun 2009 21:02:45 GMT";
        final Date date = httpClient.parseLastModifiedDate(value);
        assertNotNull(date);
    }

    public void test_processRobotsTxt() {
        final CrawlerWebServer server = new CrawlerWebServer(7070);

            fail();
        } catch (CrawlingAccessException e) {
            // ignore
        }

        value = "ftp://123.123.123.123:9999/";
        ftpInfo = new FtpClient.FtpInfo(value, Constants.UTF_8);
        assertEquals(value, ftpInfo.toUrl());
        assertEquals("123.123.123.123:9999", ftpInfo.getCacheKey());
        assertEquals("123.123.123.123", ftpInfo.getHost());

    /**
     * Trims space characters from the value.
     * @param value The value to trim.
     * @return The trimmed value.
     */
    protected String trimSpace(final String value) {
        if (trimSpaceEnabled) {
            final Matcher matcher = SPACE_PATTERN.matcher(value);
            return matcher.replaceAll(" ").trim();
        }
        return value;
    }

    /**

     *
     * @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)) {
            throw new CrawlerSystemException("key or value is null.");
        }

        featureMap.put(key, value);
    }

    /**
     * Adds a property to the extractor.