DosFileFilter dff = (DosFileFilter)ff;
            if (dff.wildcard != null)
                wildcard = dff.wildcard;
            searchAttributes = dff.attributes;
        }

        try {
            int hostlen = url.getHost().length();
            if (hostlen == 0 || getType() == TYPE_WORKGROUP) {
                doNetServerEnum(list, files, wildcard, searchAttributes, fnf, ff);
            } else if (share == null) {

     *
     * @param wildcard
     *            a wildcard expression
     * @throws SmbException
     * @return An array of <code>SmbResource</code> objects representing file
     *         and directories, workgroups, servers, or shares depending on the context
     *         of the resource URL
     */
    public SmbFile[] listFiles ( String wildcard ) throws SmbException {