Package gw.date

Enum DayOfWeek

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<DayOfWeek>
    public enum DayOfWeek
extends java.lang.Enum<DayOfWeek>
    Enumeration of week days, Sunday, Monday and so on, with utilities for converting to and from the integer constants used by Calendar.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static DayOfWeek[] _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.

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private DayOfWeek()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static DayOfWeek fromCalendarDayOfWeek​(int calendarDayOfWeek)
      Convert an integer constant as used by the Calendar.DAY_OF_WEEK field into the corresponding member of this enumeration.
      int toCalendarDayOfWeek()
      The corresponding integer constant suitable for use with the Calendar.DAY_OF_WEEK field
      static DayOfWeek valueOf​(java.lang.String name)
      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.

      • Methods inherited from class java.lang.Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • _valueLookup

        private static final DayOfWeek[] _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.

    • Constructor Detail

      • DayOfWeek

        private DayOfWeek()

    • Method Detail

      • values

        public static DayOfWeek[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (DayOfWeek c : DayOfWeek.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared

      • valueOf

        public static DayOfWeek valueOf​(java.lang.String name)
        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:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null

      • fromCalendarDayOfWeek

        public static DayOfWeek fromCalendarDayOfWeek​(int calendarDayOfWeek)
        Convert an integer constant as used by the Calendar.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:
        java.lang.IllegalArgumentException - if the given integer is not in the correct range

      • toCalendarDayOfWeek

        public int toCalendarDayOfWeek()
        The corresponding integer constant suitable for use with the Calendar.DAY_OF_WEEK field
        Returns:
        integer in the range 1-7