Java compact1, compact2, compact3 java.text Class DateFormat.Field（JDK8）

Field Detail

• ERA

  public static final DateFormat.Field ERA

  Constant identifying the era field.

• YEAR

  public static final DateFormat.Field YEAR

  Constant identifying the year field.

• MONTH

  public static final DateFormat.Field MONTH

  Constant identifying the month field.

• DAY_OF_MONTH

  public static final DateFormat.Field DAY_OF_MONTH

  Constant identifying the day of month field.

• HOUR_OF_DAY1

  public static final DateFormat.Field HOUR_OF_DAY1

  Constant identifying the hour of day field, where the legal values are 1 to 24.

• HOUR_OF_DAY0

  public static final DateFormat.Field HOUR_OF_DAY0

  Constant identifying the hour of day field, where the legal values are 0 to 23.

• MINUTE

  public static final DateFormat.Field MINUTE

  Constant identifying the minute field.

• SECOND

  public static final DateFormat.Field SECOND

  Constant identifying the second field.

• MILLISECOND

  public static final DateFormat.Field MILLISECOND

  Constant identifying the millisecond field.

• DAY_OF_WEEK

  public static final DateFormat.Field DAY_OF_WEEK

  Constant identifying the day of week field.

• DAY_OF_YEAR

  public static final DateFormat.Field DAY_OF_YEAR

  Constant identifying the day of year field.

• DAY_OF_WEEK_IN_MONTH

  public static final DateFormat.Field DAY_OF_WEEK_IN_MONTH

  Constant identifying the day of week field.

• WEEK_OF_YEAR

  public static final DateFormat.Field WEEK_OF_YEAR

  Constant identifying the week of year field.

• WEEK_OF_MONTH

  public static final DateFormat.Field WEEK_OF_MONTH

  Constant identifying the week of month field.

• AM_PM

  public static final DateFormat.Field AM_PM

  Constant identifying the time of day indicator (e.g. "a.m." or "p.m.") field.

• HOUR1

  public static final DateFormat.Field HOUR1

  Constant identifying the hour field, where the legal values are 1 to 12.

• HOUR0

  public static final DateFormat.Field HOUR0

  Constant identifying the hour field, where the legal values are 0 to 11.

• TIME_ZONE

  public static final DateFormat.Field TIME_ZONE

  Constant identifying the time zone field.

Constructor Detail

• Field

  protected Field(String name,
                  int calendarField)

  Creates a Field.

  Parameters:

  name - the name of the Field

  calendarField - the Calendar constant this Field corresponds to; any value, even one outside the range of legal Calendar values may be used, but -1 should be used for values that don't correspond to legal Calendar values

Method Detail

• ofCalendarField

  public static DateFormat.Field ofCalendarField(int calendarField)

  Returns the Field constant that corresponds to the Calendar constant calendarField. If there is no direct mapping between the Calendar constant and a Field, null is returned.

  Parameters:

  calendarField - Calendar field constant

  Returns:

  Field instance representing calendarField.

  Throws:

  IllegalArgumentException - if calendarField is not the value of a Calendar field constant.

  See Also:

  Calendar

• getCalendarField

  public int getCalendarField()

  Returns the Calendar field associated with this attribute. For example, if this represents the hours field of a Calendar, this would return Calendar.HOUR. If there is no corresponding Calendar constant, this will return -1.

  Returns:

  Calendar constant for this field

  See Also:

  Calendar

• readResolve

  protected Object readResolve()
                        throws InvalidObjectException

  Resolves instances being deserialized to the predefined constants.

  Overrides:

  readResolve in class AttributedCharacterIterator.Attribute

  Returns:

  resolved DateFormat.Field constant

  Throws:

  InvalidObjectException - if the constant could not be resolved.