final long start = System.currentTimeMillis();
        try {
            final Stream<Map<String, Object>> stream = Stream.of(documents);
            if (parallel) {
                stream.parallel();
            }
            final SuggestItem[] items = stream.flatMap(document -> {
                try {
                    return contentsParser

                return null;
            }

            ResultData resultData = new ResultData();
            resultData.setTransformerName(name);
            // Apply transformation rules
            try (InputStream is = responseData.getResponseBody()) {
                byte[] bytes = is.readAllBytes();
                String content = new String(bytes);

        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msExcelExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msPowerPointExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        final String content = params.getOrDefault(ExtractData.RESOURCE_NAME_KEY, StringUtil.EMPTY);
        try {
            return new ExtractData(content);
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final VisioTextExtractor visioTextExtractor = new VisioTextExtractor(in);
            return new ExtractData(visioTextExtractor.getText());

    }

    private void initialize(final Map<String, Object> initialSettings) {
        boolean doIndexCreate = false;
        boolean doCreate = false;
        try {
            final GetResponse getResponse =
                    client.prepareGet().setIndex(settingsIndexName).setId(settingsId).execute().actionGet(getSearchTimeout());

            if (!getResponse.isExists()) {

        testTransformer.setName("exceptionTransformer");
        testTransformer.setThrowException(true);

        ResponseData responseData = new ResponseData();

        try {
            testTransformer.transform(responseData);
            fail("Should throw CrawlerSystemException");
        } catch (CrawlerSystemException e) {
            assertEquals("Test exception", e.getMessage());

     */
    public static List<String> getKeywords(final String q, final String[] fields) {
        final List<String> keywords = new ArrayList<>();
        final List<TermQuery> termQueryList;
        try {
            final StandardQueryParser parser = new StandardQueryParser();
            parser.setDefaultOperator(StandardQueryConfigHandler.Operator.AND);

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            final BufferedInputStream bis = new BufferedInputStream(in);
            final String enc = getEncoding(bis);

            final DOMParser parser = getDomParser();