ReportPluginService.java 文件源码

private String getReportTableStartTime(JSONObject jsonObject, String endTime)
    throws ParseException {
  switch (jsonObject.getString(QueryHelper.PERIODICITY)) {
    case QueryHelper.PERIODICITY_MONTH:
      SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");
      Calendar toDate = new GregorianCalendar();
      toDate.setTime(format.parse(endTime));
      toDate.add(Calendar.MONTH, -1*(QueryHelper.MONTHS_LIMIT-1));
      return format.format(toDate.getTime());
    case QueryHelper.PERIODICITY_WEEK:
      DateTimeFormatter mDateTimeFormatter = DateTimeFormat.forPattern(
          QueryHelper.DATE_FORMAT_DAILY);
      DateTime toTime = mDateTimeFormatter.parseDateTime(endTime);
      return mDateTimeFormatter.print(toTime.minusWeeks(QueryHelper.WEEKS_LIMIT-1));
    default:
      mDateTimeFormatter = DateTimeFormat.forPattern(QueryHelper.DATE_FORMAT_DAILY);
      toTime = mDateTimeFormatter.parseDateTime(endTime);
      return mDateTimeFormatter.print(toTime.minusDays(QueryHelper.DAYS_LIMIT-1));
  }
}