- java.lang.Object
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- java.text.AttributedCharacterIterator.Attribute
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- java.text.Format.Field
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- java.text.DateFormat.Field
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- All Implemented Interfaces:
Serializable
- Enclosing class:
- DateFormat
public static class DateFormat.Field extends Format.Field
Defines constants that are used as attribute keys in theAttributedCharacterIteratorreturned fromDateFormat.formatToCharacterIteratorand as field identifiers inFieldPosition.The class also provides two methods to map between its constants and the corresponding Calendar constants.
- Since:
- 1.4
- See Also:
Calendar, Serialized Form
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Field Summary
Fields Modifier and Type Field Description static DateFormat.FieldAM_PMConstant identifying the time of day indicator (e.g.static DateFormat.FieldDAY_OF_MONTHConstant identifying the day of month field.static DateFormat.FieldDAY_OF_WEEKConstant identifying the day of week field.static DateFormat.FieldDAY_OF_WEEK_IN_MONTHConstant identifying the day of week field.static DateFormat.FieldDAY_OF_YEARConstant identifying the day of year field.static DateFormat.FieldERAConstant identifying the era field.static DateFormat.FieldHOUR_OF_DAY0Constant identifying the hour of day field, where the legal values are 0 to 23.static DateFormat.FieldHOUR_OF_DAY1Constant identifying the hour of day field, where the legal values are 1 to 24.static DateFormat.FieldHOUR0Constant identifying the hour field, where the legal values are 0 to 11.static DateFormat.FieldHOUR1Constant identifying the hour field, where the legal values are 1 to 12.static DateFormat.FieldMILLISECONDConstant identifying the millisecond field.static DateFormat.FieldMINUTEConstant identifying the minute field.static DateFormat.FieldMONTHConstant identifying the month field.static DateFormat.FieldSECONDConstant identifying the second field.static DateFormat.FieldTIME_ZONEConstant identifying the time zone field.static DateFormat.FieldWEEK_OF_MONTHConstant identifying the week of month field.static DateFormat.FieldWEEK_OF_YEARConstant identifying the week of year field.static DateFormat.FieldYEARConstant identifying the year field.-
Fields declared in class java.text.AttributedCharacterIterator.Attribute
INPUT_METHOD_SEGMENT, LANGUAGE, READING
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description intgetCalendarField()Returns theCalendarfield associated with this attribute.static DateFormat.FieldofCalendarField(int calendarField)Returns theFieldconstant that corresponds to theCalendarconstantcalendarField.protected ObjectreadResolve()Resolves instances being deserialized to the predefined constants.-
Methods declared in class java.text.AttributedCharacterIterator.Attribute
equals, getName, hashCode, toString
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Field Detail
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ERA
public static final DateFormat.Field ERA
Constant identifying the era field.
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YEAR
public static final DateFormat.Field YEAR
Constant identifying the year field.
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MONTH
public static final DateFormat.Field MONTH
Constant identifying the month field.
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DAY_OF_MONTH
public static final DateFormat.Field DAY_OF_MONTH
Constant identifying the day of month field.
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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.
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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.
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MINUTE
public static final DateFormat.Field MINUTE
Constant identifying the minute field.
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SECOND
public static final DateFormat.Field SECOND
Constant identifying the second field.
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MILLISECOND
public static final DateFormat.Field MILLISECOND
Constant identifying the millisecond field.
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DAY_OF_WEEK
public static final DateFormat.Field DAY_OF_WEEK
Constant identifying the day of week field.
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DAY_OF_YEAR
public static final DateFormat.Field DAY_OF_YEAR
Constant identifying the day of year field.
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DAY_OF_WEEK_IN_MONTH
public static final DateFormat.Field DAY_OF_WEEK_IN_MONTH
Constant identifying the day of week field.
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WEEK_OF_YEAR
public static final DateFormat.Field WEEK_OF_YEAR
Constant identifying the week of year field.
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WEEK_OF_MONTH
public static final DateFormat.Field WEEK_OF_MONTH
Constant identifying the week of month field.
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AM_PM
public static final DateFormat.Field AM_PM
Constant identifying the time of day indicator (e.g. "a.m." or "p.m.") field.
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HOUR1
public static final DateFormat.Field HOUR1
Constant identifying the hour field, where the legal values are 1 to 12.
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HOUR0
public static final DateFormat.Field HOUR0
Constant identifying the hour field, where the legal values are 0 to 11.
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TIME_ZONE
public static final DateFormat.Field TIME_ZONE
Constant identifying the time zone field.
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Constructor Detail
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Field
protected Field(String name, int calendarField)
Creates aField.- Parameters:
name- the name of theFieldcalendarField- theCalendarconstant thisFieldcorresponds to; any value, even one outside the range of legalCalendarvalues may be used, but-1should be used for values that don't correspond to legalCalendarvalues
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Method Detail
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ofCalendarField
public static DateFormat.Field ofCalendarField(int calendarField)
Returns theFieldconstant that corresponds to theCalendarconstantcalendarField. If there is no direct mapping between theCalendarconstant and aField, null is returned.- Parameters:
calendarField- Calendar field constant- Returns:
- Field instance representing calendarField.
- Throws:
IllegalArgumentException- ifcalendarFieldis not the value of aCalendarfield constant.- See Also:
Calendar
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getCalendarField
public int getCalendarField()
Returns theCalendarfield associated with this attribute. For example, if this represents the hours field of aCalendar, this would returnCalendar.HOUR. If there is no correspondingCalendarconstant, this will return -1.- Returns:
- Calendar constant for this field
- See Also:
Calendar
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readResolve
protected Object readResolve() throws InvalidObjectException
Resolves instances being deserialized to the predefined constants.- Overrides:
readResolvein classAttributedCharacterIterator.Attribute- Returns:
- resolved DateFormat.Field constant
- Throws:
InvalidObjectException- if the constant could not be resolved.
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