return (T) this;
        }
        throw new ClassCastException();
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbPipeHandle#getPipe()
     */
    @Override
    public SmbNamedPipe getPipe () {
        return this.pipe;
    }


    @Override
    public SmbTreeHandleImpl ensureTreeConnected () throws CIFSException {
        if ( this.treeHandle == null ) {

        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getExpiration();
    }

    public long getDate() {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getDate();
    }

    public long getLastModified() {
        try {
            handshake();
        } catch (IOException ex) { }

        switch( enc ) {
            case TIME_1970_SEC_32BE:
                return enc_uint32be( (int)(date.getTime() / 1000L), dst, di );
            case TIME_1970_SEC_32LE:
                return enc_uint32le( (int)(date.getTime() / 1000L), dst, di );
            case TIME_1904_SEC_32BE:
                return enc_uint32be( (int)((date.getTime() / 1000L +
                    SEC_BETWEEEN_1904_AND_1970) & 0xFFFFFFFF), dst, di );

        switch ( enc ) {
        case TIME_1970_SEC_32BE:
            return enc_uint32be((int) ( date.getTime() / 1000L ), dst, di);
        case TIME_1970_SEC_32LE:
            return enc_uint32le((int) ( date.getTime() / 1000L ), dst, di);
        case TIME_1904_SEC_32BE:
            return enc_uint32be((int) ( ( date.getTime() / 1000L + SEC_BETWEEEN_1904_AND_1970 ) & 0xFFFFFFFF ), dst, di);
        case TIME_1904_SEC_32LE:

    @Override
    public long getExpiration () {
        handshake();
        return this.connection.getExpiration();
    }


    @Override
    public long getDate () {
        handshake();
        return this.connection.getDate();
    }


    @Override
    public long getLastModified () {
        handshake();
        return this.connection.getLastModified();
    }

        }

        Credentials creds = builder.action().getCreds();
        builder.destroy();

        KerberosTicket ticket = Krb5Util.credsToTicket(creds);
        System.out.println("Ends " + ticket.getEndTime().getTime());
        return ticket;
    }


    /**
     * @param principal
     * @return
     * @throws RealmException
     */