}
        if (!fields.isEmpty()) {
            queryBuilder.must(QueryBuilders.termsQuery(FieldNames.FIELDS, fields));
        }
        if (!languages.isEmpty()) {
            queryBuilder.must(QueryBuilders.termsQuery(FieldNames.LANGUAGES, languages));
        }
        if (!excludeWords.isEmpty()) {
            queryBuilder.mustNot(QueryBuilders.termsQuery(FieldNames.TEXT, excludeWords));

     * @see org.codelibs.fess.crawler.filter.UrlFilter#init(java.lang.String)
     */
    @Override
    public void init(final String sessionId) {
        this.sessionId = sessionId;
        if (!cachedIncludeSet.isEmpty()) {
            try {
                getUrlFilterService().addIncludeUrlFilter(sessionId, cachedIncludeSet.stream().collect(Collectors.toList()));
            } catch (final Exception e) {

            boolean isGroupRecordStarted = false;
            while ((line = reader.readLine()) != null) {
                line = stripComment(line).trim();
                if (StringUtil.isEmpty(line)) {
                    continue;
                }

                String value = getValue(USER_AGENT_RECORD, line);
                if (value != null) {
                    if (isGroupRecordStarted) {

        assertTrue(tokens.isEmpty());
    }

    @Test
    public void testAnalyzeWithNullText() {
        // Test analyze with null text
        String text = null;
        String field = "content";
        String lang = "en";

        List<AnalyzeToken> tokens = analyzer.analyze(text, field, lang);

        assertNotNull(tokens);
        assertTrue(tokens.isEmpty());
    }

    @Test

        this.took = took;
        if (errors != null && !errors.isEmpty()) {
            this.errors.addAll(errors);
        }
    }

    /**
     * Checks if the response has any errors.
     * @return True if there are errors, false otherwise.
     */
    public boolean hasError() {
        return !errors.isEmpty();
    }

    /**
     * Returns the list of errors.

        assertEquals(boost, elevateWord.getBoost(), 0.001f);
        assertTrue(elevateWord.getReadings().isEmpty());
        assertTrue(elevateWord.getFields().isEmpty());
        assertTrue(elevateWord.getTags().isEmpty());
        assertTrue(elevateWord.getRoles().isEmpty());
    }

    @Test
    public void testConstructorWithNullWord() {
        // Test constructor with null word

        String text = "";
        String field = "content";

        List<String> readings = converter.convert(text, field, "en");

        assertNotNull(readings);
        assertTrue(readings.isEmpty());
    }

    @Test
    public void testConvertWithNullText() throws IOException {
        // Test convert with null text
        converter.init();
        String text = null;

            list.add("mysql");
        }

        if (ResourceUtil.getResourceNoException("oracle/jdbc/driver/OracleDriver.class") != null) {
            list.add("oracle");
        }

        if (!list.isEmpty()) {
            final StringBuilder buf = new StringBuilder();
            for (final String value : list) {
                if (buf.length() > 0) {
                    buf.append(',');
                }

            final long took) {
        this.numberOfSuggestDocs = numberOfSuggestDocs;
        this.numberOfInputDocs = numberOfInputDocs;
        this.took = took;
        if (errors == null || errors.isEmpty()) {
            hasError = false;
        } else {
            hasError = true;
            errors.forEach(this.errors::add);
        }
    }

    /**
     * Returns the number of suggest documents.

     * @param keyList The list of keys to register this extractor under.
     */
    public void register(final List<String> keyList) {
        if (keyList == null || keyList.isEmpty()) {
            throw new IllegalArgumentException("keyList must not be null or empty.");
        }
        getExtractorFactory().addExtractor(keyList, this);
    }

    /**