return goldenDateRange(dateStr, 1);
}
public String goldenDateRange(String dateStr, int interval) throws Exception {
PeriodValue period = IcalParseUtil.parsePeriodValue(dateStr);
DTBuilder b = new DTBuilder(period.start());
StringBuilder out = new StringBuilder();
while (true) {
DateValue d = b.toDate();
if (d.compareTo(period.end()) > 0) { break; }
if (0 != out.length()) { out.append(','); }