Method unitsToCalendarType

src/utils/DateTime.java:621–645

Return the proper Calendar time unit as an integer given the string @param units The unit to parse @return An integer matching a Calendar.<UNIT> enum @throws IllegalArgumentException if the unit is null, empty or doesn't match one of the configured units. @since 2.3

(final String units)

   * @since 2.3
   */
  public static int unitsToCalendarType(final String units) {
    if (Strings.isNullOrEmpty(units)) {
      throw new IllegalArgumentException("Units cannot be null or empty");
    }
    
    final String lc = units.toLowerCase();
    if (lc.equals("ms")) {
      return Calendar.MILLISECOND;
    } else if (lc.equals("s")) {
      return Calendar.SECOND;
    } else if (lc.equals("m")) {
      return Calendar.MINUTE;
    } else if (lc.equals("h")) {
      return Calendar.HOUR_OF_DAY;
    } else if (lc.equals("d")) {
      return Calendar.DAY_OF_MONTH;
    } else if (lc.equals("w")) {
      return Calendar.DAY_OF_WEEK;
    } else if (lc.equals("n")) {
      return Calendar.MONTH;
    } else if (lc.equals("y")) {
      return Calendar.YEAR;
    }
    throw new IllegalArgumentException("Unrecognized unit type: " + units);
  }

}