Package gw.date
Enum DayOfWeek
- All Implemented Interfaces:
Serializable
,Comparable<DayOfWeek>
,java.lang.constant.Constable
Enumeration of week days, Sunday, Monday and so on, with utilities for converting to and from the
integer constants used by
Calendar
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum Constants -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final DayOfWeek[]
The implementation of the functions to convert to and from calendar values assume that neither the values in java.util.Calendar nor the order of constants in this enumeration will ever change. -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic DayOfWeek
fromCalendarDayOfWeek
(int calendarDayOfWeek) Convert an integer constant as used by theCalendar.DAY_OF_WEEK
field into the corresponding member of this enumeration.int
The corresponding integer constant suitable for use with theCalendar.DAY_OF_WEEK
fieldstatic DayOfWeek
Returns the enum constant of this type with the specified name.static DayOfWeek[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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SUNDAY
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MONDAY
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TUESDAY
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WEDNESDAY
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THURSDAY
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FRIDAY
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SATURDAY
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Field Details
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_valueLookup
The implementation of the functions to convert to and from calendar values assume that neither the values in java.util.Calendar nor the order of constants in this enumeration will ever change. The _valueLookup array is just a private cache of the enumeration value array to avoid allocating a new one every time we do a lookup.
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Constructor Details
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DayOfWeek
private DayOfWeek()
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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fromCalendarDayOfWeek
Convert an integer constant as used by theCalendar.DAY_OF_WEEK
field into the corresponding member of this enumeration.- Parameters:
calendarDayOfWeek
- an integer constant in the range 1-7- Returns:
- the corresponding enumeration member
- Throws:
IllegalArgumentException
- if the given integer is not in the correct range
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toCalendarDayOfWeek
public int toCalendarDayOfWeek()The corresponding integer constant suitable for use with theCalendar.DAY_OF_WEEK
field- Returns:
- integer in the range 1-7
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