Examples of org.goda.time.DateTime$Property

org.goda.time.DateTime
DateTime.Property binds a DateTime to a DateTimeField allowing powerful datetime functionality to be easily accessed.
The simplest use of this class is as an alternative get method, here used to get the year '1972' (as an int) and the month 'December' (as a String).
```
 DateTime dt = new DateTime(1972, 12, 3, 0, 0, 0, 0); int year = dt.year().get(); String monthStr = dt.month().getAsText(); 
```
Methods are also provided that allow date modification. These return new instances of DateTime - they do not modify the original. The example below yields two independent immutable date objects 20 years apart.
```
 DateTime dt = new DateTime(1972, 12, 3, 0, 0, 0, 0); DateTime dt20 = dt.year().addToCopy(20); 
```
Serious modification of dates (ie. more than just changing one or two fields) should use the {@link org.joda.time.MutableDateTime MutableDateTime} class.
DateTime.Propery itself is thread-safe and immutable, as well as the DateTime being operated on. @author Stephen Colebourne @author Brian S O'Neill @since 1.0

  public MutableInterval handle(List<Token> tokens, Options options) {
    int month = tokens.get(0).getTag(ScalarMonth.class).getType().intValue();
    int year = tokens.get(1).getTag(ScalarYear.class).getType().intValue();
    MutableInterval MutableInterval;
    try {
      DateTime start = Time.construct(year, month);
      DateTime end = Time.cloneAndAdd(start, Time.MONTH, 1);
      MutableInterval = new MutableInterval(start, end);
    }
    catch (IllegalArgumentException e) {
      if (options.isDebug()) {
        e.printStackTrace(System.out);

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    return new MutableInterval(_currentDayStart, _currentDayStart.plusHours( 1));
  }


  @Override
  protected MutableInterval _thisMutableInterval(PointerType pointer) {
    DateTime hourStart;
    DateTime hourEnd;
    if (pointer == PointerType.FUTURE) {
      hourStart = Time.cloneAndAdd(Time.ymdhm(getNow()), Time.MINUTE, 1);
      hourEnd = Time.cloneAndAdd(Time.ymdh(getNow()), Time.HOUR, 1);
    }
    else if (pointer == PointerType.PAST) {

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    int month = tokens.get(0).getTag(RepeaterMonthName.class).getType().ordinal();
    int year = tokens.get(1).getTag(ScalarYear.class).getType().intValue();


    MutableInterval MutableInterval;
    try {
      DateTime start = Time.construct(year, month);
      DateTime end = Time.cloneAndAdd(start, Time.MONTH, 1);
      MutableInterval = new MutableInterval(start, end);
    }
    catch (IllegalArgumentException e) {
      if (options.isDebug()) {
        e.printStackTrace(System.out);

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import java.util.List;




public abstract class MDHandler implements IHandler {
    public MutableInterval handle(Repeater<?> month, Tag<? extends Number> day, List<Token> timeTokens, Options options) {
        month.setStart(new DateTime(options.getNow().getMillis()));


        MutableInterval mutableInterval = month.thisMutableInterval(options.getContext());
        DateTime dayStart = Time.construct(
                mutableInterval.getStart().get(DateTimeFieldType.year()),
                mutableInterval.getStart().get(DateTimeFieldType.monthOfYear()) , day.getType().intValue());


        return Handler.dayOrTime(dayStart, timeTokens, options);
    }

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    return new MutableInterval(_currentDayStart, _currentDayStart.plusDays(1));
  }


  @Override
  protected MutableInterval _thisMutableInterval(PointerType pointer) {
    DateTime dayBegin;
    DateTime dayEnd;
    if (pointer == PointerType.FUTURE) {
      dayBegin = Time.cloneAndAdd(Time.ymdh(getNow()), Time.HOUR, 1);
      dayEnd = Time.cloneAndAdd(Time.ymd(getNow()), Time.DAY_OF_MONTH, 1);
    }
    else if (pointer == PointerType.PAST) {

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    int year = tokens.get(5).getTag(ScalarYear.class).getType().intValue();


    MutableInterval MutableInterval;
    try {
      List<Token> timeTokens = CollectionUtils.subList(tokens,3, 4);
      DateTime dayStart = Time.construct(year, month, day);
      MutableInterval = Handler.dayOrTime(dayStart, timeTokens, options);
    }
    catch (IllegalArgumentException e) {
      if (options.isDebug()) {
        e.printStackTrace(System.out);

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      grabber = tokens.get(0).getTag(Grabber.class);
      tokens.remove(tokens.size() - 1);
    }


    Repeater<?> head = repeaters.remove(0);
    head.setStart( new DateTime(options.getNow().getMillis()));


    MutableInterval outerMutableInterval;
    Grabber.Relative grabberType = grabber.getType();
    if (grabberType == Grabber.Relative.LAST) {
      outerMutableInterval = head.nextMutableInterval(Pointer.PointerType.PAST);

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    return new MutableInterval(_currentYearStart, _currentYearStart.plusYears(1));
  }


  @Override
  protected MutableInterval _thisMutableInterval(PointerType pointer) {
    DateTime yearStart;
    DateTime yearEnd;
    if (pointer == PointerType.FUTURE) {
      yearStart = Time.cloneAndAdd(Time.ymd(getNow()), Time.DAY_OF_MONTH, 1);
      yearEnd = Time.cloneAndAdd(Time.yJan1(getNow()), Time.YEAR, 1);
    }
    else if (pointer == PointerType.PAST) {

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  }


  @Override
  public MutableInterval getOffset(MutableInterval span, double amount, Pointer.PointerType pointer) {
    int direction = (pointer == Pointer.PointerType.FUTURE) ? 1 : -1;
    DateTime newBegin = Time.cloneAndAdd(span.getStart(), Time.YEAR, (int)(amount * direction));
    DateTime newEnd = Time.cloneAndAdd(span.getEnd(), Time.YEAR, (int)(amount * direction));
    return new MutableInterval(newBegin, newEnd);
  }

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    int year = ((Number)tokens.get(2).getTag(ScalarYear.class).getType()).intValue();


    MutableInterval MutableInterval;
    try {
      List<Token> timeTokens = CollectionUtils.subList(tokens,3, tokens.size());
      DateTime dayStart = Time.construct(year, month, day);
      MutableInterval = Handler.dayOrTime(dayStart, timeTokens, options);
    }
    catch (IllegalArgumentException e) {
      if (options.isDebug()) {
        e.printStackTrace(System.out);

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