*
 * @param  dest  An <code>SmbFile</code> that represents the new pathname
 * @throws NullPointerException
 *         If the <code>dest</code> argument is <code>null</code>
 */
    public void renameTo( SmbFile dest ) throws SmbException {
        if( getUncPath0().length() == 1 || dest.getUncPath0().length() == 1 ) {
            throw new SmbException( "Invalid operation for workgroups, servers, or shares" );
        }