* .lang.String, java.lang.String)
     */
    @Override
    public void addIncludeUrlFilter(final String sessionId, final String url) {
        dataHelper.addIncludeUrlPattern(sessionId, url);
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.service.impl.UrlFilterService#addIncludeUrlFilter(java
     * .lang.String, java.util.List)
     */

                    }

                    final String[] langs = lang == null ? new String[] {} : new String[] { lang };
                    items.add(new SuggestItem(words, readings, new String[] { field }, 1L, 0, -1, tags, roles, langs,
                            SuggestItem.Kind.DOCUMENT));
                }
            } catch (final IOException e) {

        String field = "content";
        String lang = "en";

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

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

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

    protected class LangAnalyzerConverter implements ReadingConverter {
        /** Language. */
        protected final String lang;

        /**
         * Constructor.
         * @param lang Language
         */
        protected LangAnalyzerConverter(final String lang) {
            this.lang = lang;
        }

        @Override
        public void init() throws IOException {
            // nothing
        }

                return analyze(text, field, lang);
            }
        }
    }

    /**
     * Check if the language is supported.
     * @param lang Language
     * @return True if the language is supported
     */
    public static boolean isSupportedLanguage(final String lang) {
        return StringUtil.isNotBlank(lang) && Stream.of(SUPPORTED_LANGUAGES).anyMatch(lang::equals);
    }

    /**

     */
    @Override
    public void setExecutionTime(final Integer executionTime) {
        this.executionTime = executionTime;
    }

    @Override
    public Long getContentLength() {
        return contentLength;
    }

    @Override
    public void setContentLength(final Long contentLength) {
        this.contentLength = contentLength;

     *
     * @param text the text to analyze
     * @param field the field associated with the text
     * @param lang the language of the text
     * @return a list of analyzed tokens
     */
    List<AnalyzeToken> analyze(String text, String field, String lang);

    /**
     * Analyzes the given text and returns a list of tokens along with their readings.
     *
     * @param text the text to analyze

     * @see org.codelibs.fess.crawler.entity.UrlQueue#setCreateTime(java.sql.Long)
     */
    @Override
    public void setCreateTime(final Long createTime) {
        this.createTime = createTime;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.UrlQueue#getLastModified()
     */
    @Override
    public Long getLastModified() {
        return lastModified;
    }

        for (final String lang : settings.analyzer().SUPPORTED_LANGUAGES) {
            assertTrue(analyzerNames.contains(settings.analyzer().getContentsAnalyzerName("", lang)));
            assertTrue(analyzerNames.contains(settings.analyzer().getContentsReadingAnalyzerName("", lang)));
            assertTrue(analyzerNames.contains(settings.analyzer().getReadingAnalyzerName("", lang)));

    /**
     * The URL filter service.
     */
    protected UrlFilterService urlFilterService;

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.filter.UrlFilter#addExclude(java.lang.String)
     */
    @Override
    public void addExclude(final String urlPattern) {
        try {
            Pattern.compile(urlPattern);
        } catch (final Exception e) {