buf.append( "\" " ); buf.append( "uid=\""); buf.append( Integer.toString(uid) );
    public final String toString() {        StringBuffer buf = new StringBuffer();        buf.append( "<user name=\"" );        buf.append( user );        buf.append( "\"" );        if ( password != null ) {            buf.append( " password=\"" );            buf.append( password );            buf.append( "\">" );        }        else            buf.append( ">" );        String group;        for ( Iterator i = groups.iterator(); i.hasNext();  ) {            group = (String) i.next();            buf.append( "<group>" );            buf.append( group );            buf.append( "</group>" );        }        buf.append( "</user>" );        return buf.toString();    }