示例#1
0
  public Date calculateLeastMatchOnOrBefore(Date that) {
    if (equals(UNSPECIFIED)) // Performance improvement
    return MINIMUM_DATE;

    boolean matched = matches(that);
    GregorianCalendar gc = that.calculateGC();

    if (year != UNSPECIFIED_YEAR && year < that.year) // Performance improvement
    gc.add(Calendar.YEAR, year - that.year + 1);

    Date date = new Date(gc);
    while (true) {
      if (date.sameAs(MINIMUM_DATE)) return matched ? date : null;
      gc.add(Calendar.DATE, -1);
      date.resetTo(gc);
      boolean b = matches(date);
      if (b && !matched) matched = true;
      else if (matched && !b) break;
      if (year != UNSPECIFIED_YEAR && year > date.year) // Performance improvement
      return null;
    }

    gc.add(Calendar.DATE, 1);
    date.resetTo(gc);
    return date;
  }
示例#2
0
  public Date calculateGreatestMatchOnOrBefore(Date that) {
    if (equals(UNSPECIFIED)) // Performance improvement
    return null;

    GregorianCalendar gc = that.calculateGC();
    if (year != UNSPECIFIED_YEAR && year < that.year) // Performance improvement
    gc.add(Calendar.YEAR, year - that.year + 1);

    if (!that.sameAs(MAXIMUM_DATE)) {
      // Start a day ahead
      gc.add(Calendar.DATE, 1);
    }
    Date date = new Date(gc);

    boolean matched = matches(date);
    while (true) {
      gc.add(Calendar.DATE, -1);
      date.resetTo(gc);
      boolean b = matches(date);
      if (!b && matched) matched = false;
      else if (!matched && b) break;
      if (date.sameAs(MINIMUM_DATE)) return null;
      if (year != UNSPECIFIED_YEAR && year > date.year) // Performance improvement
      return null;
    }

    return date;
  }
示例#3
0
 private boolean matchDay(Date that) {
   if (day == UNSPECIFIED_DAY) return true;
   if (day == LAST_DAY_OF_MONTH) {
     GregorianCalendar gc = that.calculateGC();
     int lastDay = gc.getActualMaximum(Calendar.DATE);
     return lastDay == that.day;
   }
   return day == that.day;
 }
示例#4
0
  public Date calculateGreatestMatchOnOrAfter(Date that) {
    if (equals(UNSPECIFIED)) return MAXIMUM_DATE;

    boolean matched = matches(that);
    GregorianCalendar gc = that.calculateGC();

    Date date = new Date(gc);
    while (true) {
      gc.add(Calendar.DATE, 1);
      date.resetTo(gc);
      boolean b = matches(date);
      if (b && !matched) matched = true;
      else if (matched && !b) break;
      if (date.sameAs(MAXIMUM_DATE)) return date;
    }

    gc.add(Calendar.DATE, -1);
    date.resetTo(gc);
    return date;
  }
示例#5
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  public Date calculateLeastMatchOnOrAfter(Date that) {
    GregorianCalendar gc = that.calculateGC();
    if (!that.sameAs(MINIMUM_DATE)) {
      // Start a day behind
      gc.add(Calendar.DATE, -1);
    }
    Date date = new Date(gc);

    boolean matched = matches(date);
    while (true) {
      gc.add(Calendar.DATE, 1);
      date.resetTo(gc);
      boolean b = matches(date);
      if (!b && matched) matched = false;
      else if (!matched && b) break;
      if (date.sameAs(MAXIMUM_DATE)) return null;
    }

    return date;
  }
示例#6
0
  public boolean matches(Date date) {
    if (this == DayOfWeek.UNSPECIFIED) return true;

    DayOfWeek thatDow = date.getDayOfWeek();

    // Tolerate the day of week of the given date being unspecified.
    if (thatDow.isSpecific()) return this == thatDow;

    // Otherwise we need to calculate the given date's day of week.
    return equals(forDate(date));
  }
示例#7
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  @Override
  public int compareTo(Date that) {
    if (!isSpecific())
      throw new BACnetRuntimeException(
          "Comparisons can only be made between specific dates: " + this);
    if (!that.isSpecific())
      throw new BACnetRuntimeException(
          "Comparisons can only be made between specific dates: " + that);

    if (year == that.year) {
      if (month == that.month) return day - that.day;
      return month.ordinal() - that.month.ordinal();
    }
    return year - that.year;
  }
示例#8
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  /**
   * Matches this presumably wildcard date with a (that) necessarily specifically defined date to
   * determine if (true) the given date is one of this' defined dates or (false) not.
   *
   * @param that the specific date with which to compare.
   * @return
   */
  @Override
  public boolean matches(Date that) {
    if (!that.isSpecific())
      throw new BACnetRuntimeException("Dates for matching must be completely specified: " + that);

    if (!matchYear(that.year)) return false;

    if (!month.matches(that.month)) return false;

    if (!matchDay(that)) return false;

    if (!dayOfWeek.matches(that)) return false;

    return true;
  }
示例#9
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 public static DayOfWeek forDate(Date date) {
   GregorianCalendar gc = date.calculateGC();
   int calendarDow = gc.get(Calendar.DAY_OF_WEEK);
   return forCalendarDow(calendarDow);
 }