}
        } catch (final CrawlerSystemException e) {
            CloseableUtil.closeQuietly(responseData);
            throw e;
        } catch (final SmbException e) {
            CloseableUtil.closeQuietly(responseData);
            throw new CrawlingAccessException("Could not access " + uri, e);
        }

        return responseData;
    }

    /**

        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);
        }
    }

        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final VisioTextExtractor visioTextExtractor = new VisioTextExtractor(in);
            return new ExtractData(visioTextExtractor.getText());
        } catch (final IOException e) {
            throw new ExtractException(e);
        }
    }

        try {
            server.start();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        }
    }

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        } finally {
            if (tempDocRoot) {
                docRoot.delete();

     * @return The transformed ResultData.
     */
    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {
            throw new CrawlingAccessException("No response body.");
        }

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());

        try {
            server.start();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        }
    }

    public void stop() {
        try {
            server.stop();
            server.join();
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        } finally {
            if (tempDocRoot) {
                docRoot.delete();

            resultData.removeUrl(requestData);
            resultData.removeUrl(getDuplicateUrl(requestData));
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not store data.", e);
        }
    }

    /**
     * Gets the child URL extraction rules as a stream of tag-attribute pairs.
     *

                break;
            }
        } catch (final CrawlerSystemException e) {
            if (!ignoreException) {
                throw e;
            }
        } catch (final Exception e) {
            if (!ignoreException) {
                throw new CrawlerSystemException("Could not stop a process.", e);
            }
        }
    }

    /**

     */
    public void test_throwAndCatch() {
        try {
            throw new CrawlerSystemException("Test throw");
        } catch (CrawlerSystemException e) {
            assertEquals("Test throw", e.getMessage());
            assertNull(e.getCause());
        }

        try {
            throw new CrawlerSystemException("Test with cause", new IllegalArgumentException("Cause"));

        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final SlideShowExtractor<HSLFShape, HSLFTextParagraph> extractor = new SlideShowExtractor<>(new HSLFSlideShow(in));
            return new ExtractData(extractor.getText());
        } catch (final IOException e) {
            throw new ExtractException(e);
        }
    }