Map<Object, Object> map = new HashMap<Object, Object>();
        assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
    }

    public void test_ofMap() {
        Map<String, String> map = new HashMap<String, String>();
        map.put("key1", "value1");
        map.put("key2", "value2");
        StreamUtil.stream(map).of(s -> s.forEach(m -> assertEquals(map.get(m.getKey()), m.getValue())));
    }

     * @param textBuilder the string builder for text content
     * @param metadataMap the map for metadata extraction
     * @param depth the current depth
     */
    protected void extractObject(final ObjectNode node, final String parentKey, final StringBuilder textBuilder,
            final Map<String, List<String>> metadataMap, final int depth) {
        final Iterator<Map.Entry<String, JsonNode>> fields = node.fields();

        // Use reflection to access protected method
        final java.lang.reflect.Method method =
                CrawlerThread.class.getDeclaredMethod("storeChildUrl", String.class, String.class, float.class, int.class);
        method.setAccessible(true);
        method.invoke(crawlerThread, "http://example.com/child", "http://example.com/", 1.0f, 2);

    /** The languages. */
    public String[] lang;

    /** The fields. */
    public Map<String, String[]> fields = new HashMap<>();

    /** The conditions. */
    public Map<String, String[]> as = new HashMap<>();

    /** The extra queries. */
    public String[] ex_q;

    /** The similar document hash. */
    public String sdh;

    @Override
    public String getQuery() {
        return q;
    }

    protected Boolean crawler;

    /** createdBy */
    protected String createdBy;

    /** createdTime */
    protected Long createdTime;

    /** cronExpression */
    protected String cronExpression;

    /** jobLogging */
    protected Boolean jobLogging;

    /** name */
    protected String name;

    /** scriptData */
    protected String scriptData;

    /** scriptType */

        dataHelper.addExcludeUrlPattern(sessionId, url);
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.service.impl.UrlFilterService#addExcludeUrlFilter(java
     * .lang.String, java.util.List)
     */
    @Override
    public void addExcludeUrlFilter(final String sessionId, final List<String> urlList) {
        for (final String url : urlList) {

    /** configId */
    protected String configId;

    /** errorCount */
    protected Integer errorCount;

    /** errorLog */
    protected String errorLog;

    /** errorName */
    protected String errorName;

    /** lastAccessTime */
    protected Long lastAccessTime;

    /** threadName */
    protected String threadName;

    /** url */
    protected String url;

    /**
     * Default constructor.
     */
    public AdminDuplicatehostAction() {
        super();
    }

    /**
     * Role name for duplicate host administration.
     */
    public static final String ROLE = "admin-duplicatehost";

    private static final Logger logger = LogManager.getLogger(AdminDuplicatehostAction.class);

    // ===================================================================================

                final Boolean b = (Boolean) xObj.value();
                return new String[] { b.toString() };
            case NUMBER:
                final Number d = (Number) xObj.value();
                return new String[] { d.toString() };
            case STRING:
                final String str = (String) xObj.value();
                return new String[] { str.trim() };
            case NODESET:

        final int status = ping.getStatus();
        if (systemHelper.isChangedClusterState(status)) {
            if (fessConfig.hasNotification()) {
                final String toStrs = fessConfig.getNotificationTo();
                final String[] toAddresses;
                if (StringUtil.isNotBlank(toStrs)) {
                    toAddresses = toStrs.split(",");
                } else {