public boolean supportsWatchList() {
        final IConnector connector = getConnector();
        return (connector instanceof WatchListCapability) && ((WatchListCapability) connector).canAddToWatchList(this);
    }
Get a browser URL to create a new log entry. May return null if connector does not support this.
main/src/main/java/cgeo/geocaching/models/Geocache.java