@Override
    public String getDomainName () {
        if ( this.origin_server != null )
            resolveWeak();
        if ( this.type == SID_TYPE_UNKNOWN ) {
            String full = toString();
            return full.substring(0, full.length() - getAccountName().length() - 1);
        }
        return this.domainName;
    }


    @Override
    public String getAccountName () {

     * editor in Windows would display.
     * <p>
     * Specifically, if the SID has
     * been resolved and it is not a domain SID or builtin account,
     * the full DOMAIN\name form of the account will be
     * returned (e.g. MYDOM\alice or MYDOM\Domain Users).
     * If the SID has been resolved but it is is a domain SID,
     * only the domain name will be returned (e.g. MYDOM).

     */
    public String getDomainName() {
        if (origin_server != null)
            resolveWeak();
        if (type == SID_TYPE_UNKNOWN) {
            String full = toString();
            return full.substring(0, full.length() - getAccountName().length() - 1);
        }
        return domainName;
    }

    /**
     * Return the sAMAccountName of this SID unless it could not