queue.setEncoding("UTF-8");
        assertEquals("UTF-8", queue.getEncoding());

        queue.setEncoding("ISO-8859-1");
        assertEquals("ISO-8859-1", queue.getEncoding());

        queue.setEncoding(null);
        assertNull(queue.getEncoding());
    }

    public void test_parentUrlGetterSetter() {
        // Test parent URL getter/setter

            return new ExtractData(content);
        } catch (final Exception e) {
            throw new ExtractException("Failed to extract text content using encoding: " + getEncoding(), e);
        }
    }

    /**
     * Returns the encoding used for text extraction.
     * @return the encoding
     */
    public String getEncoding() {
        return encoding;
    }

        final String originalEncoding = textExtractor.getEncoding();
        assertEquals("UTF-8", originalEncoding);

        textExtractor.setEncoding("ISO-8859-1");
        assertEquals("ISO-8859-1", textExtractor.getEncoding());

        // Reset
        textExtractor.setEncoding("UTF-8");
        assertEquals("UTF-8", textExtractor.getEncoding());
    }

    /**

        }
        try {
            final BufferedInputStream bis = new BufferedInputStream(in);
            final String enc = getEncoding(bis);
            final String content = UNESCAPE_HTML4.translate(new String(InputStreamUtil.getBytes(bis), enc));
            return createExtractData(content);
        } catch (final Exception e) {

                    if (pageEnc != null) {
                        enc = pageEnc;
                    } else if (urlQueue.getEncoding() != null) {
                        enc = urlQueue.getEncoding();
                    }
                }
            }
        } else {
            enc = fessConfig.getCrawlerDocumentFileNameEncoding();
        }

        // create input source
        final InputSource is = new InputSource(new ByteArrayInputStream(accessResultData.getData()));
        if (StringUtil.isNotBlank(accessResultData.getEncoding())) {
            is.setEncoding(accessResultData.getEncoding());
        }

        // create handler
        final DocHandler handler = new DocHandler();

        // create a sax instance

    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        try {
            final String content = new String(InputStreamUtil.getBytes(in), getEncoding());
            final Node document = parser.parse(content);

            // Extract plain text
            final String plainText = textRenderer.render(document);

        this.httpStatusCode = httpStatusCode;
    }

    /**
     * Gets the encoding used for the response content.
     *
     * @return the encoding.
     */
    public String getEncoding() {
        return encoding;
    }

    /**
     * Sets the encoding for the response content.
     *
     * @param encoding the encoding to set.
     */

    @Test
    public void testEncoding() {
        CurlResponse response = new CurlResponse();
        String encoding = "UTF-8";

        response.setEncoding(encoding);

        assertEquals(encoding, response.getEncoding());
    }

    @Test
    public void testContentException() {
        CurlResponse response = new CurlResponse();
        Exception exception = new IOException("Test exception");

        String urlEncoding;
        final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();
        if (urlQueue != null && urlQueue.getEncoding() != null) {
            urlEncoding = urlQueue.getEncoding();
        } else {
            urlEncoding = responseData.getCharSet();
        }

        // cid
        final String configId = crawlingConfig.getConfigId();