Package gw.date
Enum Month
- All Implemented Interfaces:
Serializable
,Comparable<Month>
,java.lang.constant.Constable
Enumeration of months, January, February 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 Month[]
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 Month
fromCalendarMonth
(int calendarMonth) Convert an integer constant as used by theCalendar.MONTH
field into the corresponding member of this enumeration.int
The corresponding integer constant suitable for use with theCalendar.MONTH
fieldstatic Month
Returns the enum constant of this type with the specified name.static Month[]
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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JANUARY
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FEBRUARY
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MARCH
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APRIL
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MAY
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JUNE
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JULY
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AUGUST
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SEPTEMBER
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OCTOBER
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NOVEMBER
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DECEMBER
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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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Month
private Month()
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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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fromCalendarMonth
Convert an integer constant as used by theCalendar.MONTH
field into the corresponding member of this enumeration.- Parameters:
calendarMonth
- an integer constant in the range 0-11- Returns:
- the corresponding enumeration member
- Throws:
IllegalArgumentException
- if the given integer is not in the correct range
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toCalendarMonth
public int toCalendarMonth()The corresponding integer constant suitable for use with theCalendar.MONTH
field- Returns:
- integer in the range 0-11
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