final File file = File.createTempFile("crawler-", "");
            file.delete();
            file.mkdirs();
            file.deleteOnExit();
            fileTransformer.setPath(file.getAbsolutePath());
            crawler.addUrl(url);
            crawler.getCrawlerContext().setMaxAccessCount(maxCount);
            crawler.getCrawlerContext().setNumOfThread(numOfThread);

     *
     * @param accessResultData the AccessResultData object containing the data to be retrieved
     * @return an Object representing the data retrieved from the AccessResultData
     */
    Object getData(AccessResultData<?> accessResultData);

    /**
     * Retrieves the name associated with this transformer.
     *
     * @return the name of the transformer
     */
    String getName();

        resultData.setRawData(rawData);

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

        assertNull(resultData.serializer);
        try {
            resultData.getData();
            fail();
        } catch (CrawlerSystemException e) {
            // nothing
        }
    }

    public void test_setSerializer() {
        // ## Arrange ##

            final File file = File.createTempFile("crawler-", "");
            file.delete();
            file.mkdirs();
            file.deleteOnExit();
            fileTransformer.setPath(file.getAbsolutePath());
            crawler.addUrl(url);
            crawler.crawlerContext.setMaxAccessCount(maxCount);
            crawler.crawlerContext.setNumOfThread(numOfThread);

     */
    protected InputStream getContentInputStream(final DeferredFileOutputStream out) throws IOException {
        if (out.isInMemory()) {
            return new ByteArrayInputStream(out.getData());
        }
        return new FileInputStream(out.getFile());
    }

    /**
     * Returns the content length.
     * @param out The DeferredFileOutputStream.
     * @return The content length.

     */
    public static Map<String, Object> getDataMap(final AccessResultData<?> accessResultData) {
        // create input source
        final InputSource is = new InputSource(new ByteArrayInputStream(accessResultData.getData()));
        if (StringUtil.isNotBlank(accessResultData.getEncoding())) {
            is.setEncoding(accessResultData.getEncoding());
        }

        // create handler

     */
    protected InputStream getContentStream(final DeferredFileOutputStream dfos) throws IOException {
        if (dfos.isInMemory()) {
            return new ByteArrayInputStream(dfos.getData());
        }
        return new BufferedInputStream(new FileInputStream(dfos.getFile()));
    }

    /**
     * Returns a content from a writer.
     *
     * @param out A content writer.

  </mime-type>
  <mime-type type="application/x-stata-do">
    <_comment>Stata DTA Script</_comment>
    <acronym>DO</acronym>
    <tika:link>http://www.stata.com/help.cgi?do</tika:link>
    <glob pattern="*.do"/>
  </mime-type>

  <mime-type type="application/x-stata-dta">
    <_comment>Stata DTA Dataset</_comment>
    <acronym>DTA</acronym>
    <tika:link>http://www.stata.com/help.cgi?dta</tika:link>

                    if (dfos.isInMemory()) {
                        responseData.setResponseBody(dfos.getData());
                        contentLength = dfos.getData().length;
                        if (contentType == null) {
                            try (InputStream is = new ByteArrayInputStream(dfos.getData())) {
                                contentType = mimeTypeHelper.getContentType(is, url);