private static void appendUNTIL(Writer writer, String until) throws IOException {
        if (until != null) {
            writer.write(SEMICOLON);
            writer.write(ICAL_UNTIL);
            writer.write(EQUALS_SIGN);
            writer.write(until);
        }
    }
private static void appendUNTIL ( Writer writer , String until ) throws IOException { if ( until != null ) { writer . write ( SEMICOLON ) ; writer . write ( ICAL_UNTIL ) ; writer . write ( EQUALS_SIGN ) ; writer . write ( until ) ; } }
/*
Append the UNTIL attribute after RRULE line