* 
     * @param hostname
     * @return whether this is an IP address
     */
    public static boolean isDotQuadIP ( String hostname ) {
        if ( Character.isDigit(hostname.charAt(0)) ) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();

    public final void writeUTF( String str ) throws SmbException {
        int len = str.length();
        int ch, size = 0;
        byte[] dst;

        for( int i = 0; i < len; i++ ) {
            ch = str.charAt( i );
            size += ch > 0x07F ? (ch > 0x7FF ? 3 : 2) : 1;
        }
        dst = new byte[size];
        writeShort( size );
        try {
            Encdec.enc_utf8( str, dst, 0, size );

        if ( host == null || host.length() == 0 ) {
            return getLocalHost();
        }

        Name name = new Name(this.transportContext.getConfig(), host, type, scope);
        if ( !Character.isDigit(host.charAt(0)) ) {
            return doNameQuery(name, svr);
        }

        int IP = 0x00;
        int hitDots = 0;
        char[] data = host.toCharArray();

        for ( int i = 0; i < data.length; i++ ) {

        }
        if (url.startsWith("file:")) {
            final String value = decodeUrlAsName(url.substring(5), true);
            if (value.length() > 2 && value.charAt(2) == ':') {
                // Windows
                return abbreviateSite(value.substring(1).replace('/', '\\'));
            }
            // Unix
            return abbreviateSite(value);
        }

        l1 = path1.length() - p1;
        l2 = path2.length() - p2;

        // anything with dots voids comparison
        if (l1 > 1 && path1.charAt(p1 + 1) == '.')
            return true;
        if (l2 > 1 && path2.charAt(p2 + 1) == '.')
            return true;

        return l1 == l2 && path1.regionMatches(true, p1, path2, p2, l1);
    }
/**

    protected static String toPlainPattern(final String pattern) {
        final StringBuilder buf = new StringBuilder(pattern.length());
        for (int i = 0; i < pattern.length(); ++i) {
            final char ch = pattern.charAt(i);
            if (Character.isLetterOrDigit(ch) || Character.isWhitespace(ch)) {
                buf.append(ch);
            }
        }
        if (buf.indexOf("yy") == -1) {

,c=0,d=0;if(/\d{11}/.test(a)&&11===a.length){for(var e=0;e<10;e++)c+=a[e]*b[e];if(c%10!==0&&(d=10-c%10),parseInt(a.charAt(10))===d)return!0}return!1},errorMessage:"",errorMessageKey:"badPlPesel"}),a.formUtils.addValidator({name:"plnip",validatorFunction:function(a){var b=[6,5,7,2,3,4,5,6,7],c=0;if(/\d{10}/.test(a)&&10===a.length){for(var d=0;d<9;d++)c+=a[d]*b[d];if(parseInt(a.charAt(9))===c%11)return!0}return!1},errorMessage:"",errorMessageKey:"badPlNip"}),a.formUtils.addValidator({name:"plregon...

        while ( ( line = br.readLine() ) != null ) {
            line = line.toUpperCase().trim();
            if ( line.length() == 0 ) {
                continue;
            }
            else if ( line.charAt(0) == '#' ) {
                if ( line.startsWith("#INCLUDE ") ) {
                    line = line.substring(line.indexOf('\\'));
                    String url = "smb:" + line.replace('\\', '/');

        final List<String> versionList = new ArrayList<>();
        boolean isName = true;
        for (final String value : baseName.split("-")) {
            if (isName && value.length() > 0 && value.charAt(0) >= '0' && value.charAt(0) <= '9') {
                isName = false;
            }
            if (isName) {
                nameList.add(value);
            } else {
                versionList.add(value);
            }

        if (resourceBundle == null) {
            return null;
        }

        final int length = messageCode.length();
        if (length > CODE_NUMBER_LENGTH) {
            final String key = messageCode.charAt(0) + messageCode.substring(length - CODE_NUMBER_LENGTH);
            final String pattern = ResourceBundleUtil.getString(resourceBundle, key);
            if (pattern != null) {
                return pattern;
            }