if (!CreativeCommons.isEnabled()) { return null; }
    private static String getStringFromBitstream(Item item,            String bitstream_name) throws SQLException, IOException,            AuthorizeException    {        if (!CreativeCommons.isEnabled())        {            return null;        }        byte[] bytes = getBytesFromBitstream(item, bitstream_name);        if (bytes == null)        {            return null;        }        return new String(bytes);    }