/** The raw data. */
    protected Object rawData = null;

    /** The serializer. */
    protected Function<Object, byte[]> serializer;

    /**
     * Creates a new ResultData instance.
     */
    public ResultData() {
        super();
    }

    /**
     * Set the raw data.
     * @param rawData the raw data object to set
     */
    public void setRawData(final Object rawData) {

            final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();
            final ResultData resultData = new ResultData();
            resultData.setData(new byte[0]);
            resultData.setEncoding(Constants.UTF_8);
            resultData.setTransformerName(Constants.NO_TRANSFORMER);
            processResult(urlQueue, responseData, resultData);
        } else if (isSuccessful(responseData)) {
            if (transformer == null) {

        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not extract data.", e);
        }

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());
        try {
            resultData.setData(content.getBytes(charsetName));
        } catch (final UnsupportedEncodingException e) {
            if (logger.isInfoEnabled()) {

        responseData.setCharSet("UTF-8");
        setBaseDir();
        final ResultData resultData = fileTransformer.transform(responseData);
        assertEquals("http_CLN_/www.example.com/submit_QUEST_a=1_AMP_b=2", new String(resultData.getData(), "UTF-8"));
        final File file = new File(fileTransformer.baseDir, new String(resultData.getData(), "UTF-8"));
        assertEquals("xyz", new String(FileUtil.readBytes(file)));
    }

        responseData.setResponseBody(ResourceUtil.getResourceAsFile("extractor/test.xml"), false);
        responseData.setCharSet(Constants.UTF_8);
        final ResultData resultData = xmlTransformer.transform(responseData);
        assertEquals(result, new String(resultData.getData(), Constants.UTF_8));
    }

    public void test_transformNs() throws Exception {
        final String result = "<?xml version=\"1.0\"?>\n"//

import org.codelibs.fess.crawler.entity.ResultData;

/**
 * The Transformer interface defines methods for transforming response data
 * and retrieving data from access results.
 */
public interface Transformer {

    /**
     * Transforms the given ResponseData into a ResultData.
     *
     * @param responseData the data to be transformed
     * @return the transformed ResultData
     */

        // ## Arrange ##
        final ResultData resultData = new ResultData();
        final Object rawData = new Object();

        // ## Act ##
        resultData.setRawData(rawData);

        // ## Assert ##
        assertEquals(rawData, resultData.getRawData());

        assertNull(resultData.serializer);
        try {
            resultData.getData();
            fail();

        responseData.setCharSet(Constants.UTF_8);
        final ResultData resultData = new ResultData();
        xpathTransformer.storeData(responseData, resultData);
        assertEquals(result, new String(resultData.getData(), Constants.UTF_8));
    }

    public void test_getData() throws Exception {
        final String value = "<?xml version=\"1.0\"?>\n"//

        responseData.setCharSet("ISO-8859-1");
        responseData.setMimeType("text/html");
        final ResultData resultData = htmlTransformer.transform(responseData);
        assertEquals(content, new String(resultData.getData()));
        assertEquals(1, resultData.getChildUrlSet().size());
        assertEquals("http://hoge/test2.html", resultData.getChildUrlSet().iterator().next().getUrl());
    }

    public void test_transform_urllink() {

        }

        @Override
        public ResultData transform(ResponseData responseData) {
            if (throwInTransform) {
                throw new CrawlerSystemException("Transform exception");
            }

            ResultData resultData = new ResultData();
            resultData.setTransformerName(name);
            return resultData;
        }

        @Override