char c = ipString.charAt(i);
      if (c == '.') {
        hasDot = true;
      } else if (c == ':') {
        if (hasDot) {
          return null; // Colons must not appear after dots.
        }
        hasColon = true;
      } else if (c == '%') {
        percentIndex = i;
        break;
      } else if (Character.digit(c, 16) == -1) {

     * Creates a new document helper instance.
     */
    public DocumentHelper() {
        // Default constructor
    }

    /**
     * Initializes the document helper after construction.
     * Sets up the TikaExtractor with configuration parameters for text processing.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

   */
  public void unregister(Object object) {
    subscribers.unregister(object);
  }

  /**
   * Posts an event to all registered subscribers. This method will return successfully after the
   * event has been posted to all subscribers, and regardless of any exceptions thrown by
   * subscribers.
   *
   * <p>If no subscribers have been subscribed for {@code event}'s class, and {@code event} is not

                    selected.getActiveConnections());
        }

        return selected;
    }

    /**
     * Releases a channel after use.
     *
     * @param channel the channel to release
     */
    public void releaseChannel(ChannelInfo channel) {
        if (channel != null) {
            channel.decrementConnections();

That way, you can create a token with an expiration of, let's say, 1 week. And then when the user comes back the next day with the token, you know that user is still logged in to your system.

		t.Fatalf("lockUID len, got %d, want %d + %d", len(l.lockUID), len(rResources), len(wResources))
	}

	// Expire a minute ago.
	l.expireOldLocks(-time.Minute)
	if len(l.lockMap) != 0 {
		t.Fatalf("after cleanup should be empty, got %d", len(l.lockMap))
	}
	if len(l.lockUID) != 0 {
		t.Fatalf("lockUID len, got %d, want %d", len(l.lockUID), 0)
	}
}

func TestLocalLockerUnlock(t *testing.T) {
	const n = 1000

    }

    @Test
    public void testCreateSuggestTextIdWithLongText() {
        // Test text that exceeds maximum length after encoding
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 500; i++) {
            sb.append("0123456789");
        }
        String longText = sb.toString();

   * <p>See {@link com.google.common.net.PercentEscaper} for an example.
   *
   * @param csq a sequence of characters
   * @param start the index of the first character to be scanned
   * @param end the index immediately after the last character to be scanned
   * @throws IllegalArgumentException if the scanned sub-sequence of {@code csq} contains invalid
   *     surrogate pairs
   */

   * <p>See {@link com.google.common.net.PercentEscaper} for an example.
   *
   * @param csq a sequence of characters
   * @param start the index of the first character to be scanned
   * @param end the index immediately after the last character to be scanned
   * @throws IllegalArgumentException if the scanned sub-sequence of {@code csq} contains invalid
   *     surrogate pairs
   */

    }
    assertEquals(10, CacheTesting.expirationQueueSize(cache));
    assertEquals(10, removalListener.getCount()); // these are the invalidated ones

    // old timeouts must expire after this wait
    ticker.advance(ttl * 2 / 3, MILLISECONDS);

    assertEquals(10, CacheTesting.expirationQueueSize(cache));
    assertEquals(10, removalListener.getCount());