} catch (final Exception e) {
            throw new ExtractException("Failed to extract data.", e);
        } finally {
            if (dfos != null && !dfos.isInMemory()) {
                final File file = dfos.getFile();
                try {
                    Files.delete(file.toPath());
                } catch (final IOException e) {
                    logger.warn("Failed to delete {}.", file.getAbsolutePath(), e);

        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.
     * @param encoding An encoding.
     * @param normalizeText If true, normalize a text.

                    if (annotation instanceof final PDAnnotationFileAttachment annotationFileAttachment) {
                        final PDFileSpecification fileSpec = annotationFileAttachment.getFile();
                        if (fileSpec instanceof final PDComplexFileSpecification complexFileSpec) {
                            final PDEmbeddedFile embeddedFile = getEmbeddedFile(complexFileSpec);

        Rule matchedRule = ruleManager.getRule(responseData);

        assertNull(matchedRule);
    }

    /**
     * Test getRule with null ResponseData
     */
    public void test_getRule_nullResponseData() {
        TestRule rule = new TestRule("rule1", true);

        ruleManager.addRule(rule);

        Rule matchedRule = ruleManager.getRule(null);

        assertNull(matchedRule);
    }

        try {
            final ResponseData responseData = httpClient.doHead(url);
            assertNotNull(responseData.getLastModified());
            assertTrue(responseData.getLastModified().getTime() < new Date().getTime());
        } finally {
            server.stop();
        }
    }

    public void test_doGet_accessTimeoutTarget() {
        HcHttpClient client = new HcHttpClient() {
            @Override

        final Object obj = xmlEntityTransformer.getData(accessResultDataImpl);
        assertTrue(obj instanceof TestEntity);
        final TestEntity entity = (TestEntity) obj;
        assertEquals("タイトル", entity.getTitle());
        assertEquals("第一章 第一節 ほげほげふがふが LINK 第2章 第2節", entity.getBody());
        final List<String> list = new ArrayList<String>();
        list.add("リスト1");
        list.add("リスト2");
        list.add("リスト3");

                if (responseData != null && responseData.getLastModified() != null
                        && responseData.getLastModified().getTime() <= urlQueue.getLastModified().longValue()
                        && responseData.getHttpStatusCode() == 200) {
                    log(logHelper, LogType.NOT_MODIFIED, crawlerContext, urlQueue);

        final Object obj = xpathEntityTransformer.getData(accessResultDataImpl);
        assertTrue(obj instanceof TestEntity);
        final TestEntity entity = (TestEntity) obj;
        assertEquals("タイトル", entity.getTitle());
        assertEquals("第一章 第一節 ほげほげふがふが LINK 第2章 第2節", entity.getBody());
        final List<String> list = new ArrayList<String>();
        list.add("リスト1");
        list.add("リスト2");
        list.add("リスト3");

            final ResponseData responseData = ftpClient.doHead("ftp://localhost:" + FTP_PORT + "/text1.txt");
            assertNotNull(responseData.getLastModified());
            assertTrue(responseData.getLastModified().getTime() < new Date().getTime());
            assertNull(responseData.getResponseBody());
        } finally {
            if (server != null) {
                server.stop();
            }
        }
    }

     * Test RuleManager implementation
     */
    public static class TestRuleManager implements RuleManager {
        private final List<Rule> rules = new ArrayList<>();

        @Override
        public Rule getRule(ResponseData responseData) {
            for (Rule rule : rules) {
                if (rule != null && rule.match(responseData)) {
                    return rule;
                }
            }