Package com.Ostermiller.util

Class YearExtensionAround

java.lang.Object
com.Ostermiller.util.YearExtensionAround
All Implemented Interfaces:
YearExtensionPolicy
public class YearExtensionAround extends Object implements YearExtensionPolicy
Extend years like '99 to 1999 based on dates around the current date.
Since:
ostermillerutils 1.08.00
Author:
Stephen Ostermiller https://ostermiller.org/contact.pl?regarding=Java+Utilities

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final YearExtensionAround
    CENTURY_1900
    Extend a two digit year to a year in the 1900s 00 to 1900 01 to 1901 49 to 1949 50 to 1950 99 to 1999
    static final YearExtensionAround
    CENTURY_2000
    Extend a two digit year to a year in the 2000s 00 to 2000 01 to 2001 49 to 2049 50 to 2050 99 to 2099
    static final YearExtensionAround
    LATEST
    Extend a two digit year to the nearest year that ends in those two digits.
    static final YearExtensionAround
    NEAREST
    Extend a two digit year to the nearest year that ends in those two digits.

  • Constructor Summary

    Constructors
    Constructor
    Description
    YearExtensionAround(int allowedYearsInPast)
    Create a year extension nearest policy with the current year taken from the system time.
    YearExtensionAround(int allowedYearsInPast, int currentYear)
    Create a year extension nearest policy with the given current year

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    extendYear(int twoDigitYear)
    Extend a two digit year to the nearest year that ends in those two digits.
    static final YearExtensionAround
    getLatest(int currentYear)
    Extend a two digit year to the nearest year that ends in those two digits.
    static final YearExtensionAround
    getNearest(int currentYear)
    Extend a two digit year to the nearest year that ends in those two digits.
    void
    setAllowedYearsInPast(int allowedYearsInPast)
    Number of years in the past to allow dates
    void
    setCurrentYear(int currentYear)
    Set the current year.

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • NEAREST

      public static final YearExtensionAround NEAREST
      Extend a two digit year to the nearest year that ends in those two digits.

      When it is the year 2000:

      • 50 to 1950
      • 99 to 1999
      • 00 to 2000
      • 01 to 2001
      Since:
      ostermillerutils 1.08.00

    • LATEST

      public static final YearExtensionAround LATEST
      Extend a two digit year to the nearest year that ends in those two digits.

      When it is the year 2000:

      • 01 to 1901
      • 49 to 1949
      • 50 to 1950
      • 99 to 1999
      • 00 to 2000
      Since:
      ostermillerutils 1.08.00

    • CENTURY_1900

      public static final YearExtensionAround CENTURY_1900
      Extend a two digit year to a year in the 1900s
      • 00 to 1900
      • 01 to 1901
      • 49 to 1949
      • 50 to 1950
      • 99 to 1999
      Since:
      ostermillerutils 1.08.00

    • CENTURY_2000

      public static final YearExtensionAround CENTURY_2000
      Extend a two digit year to a year in the 2000s
      • 00 to 2000
      • 01 to 2001
      • 49 to 2049
      • 50 to 2050
      • 99 to 2099
      Since:
      ostermillerutils 1.08.00

  • Constructor Details

    • YearExtensionAround

      public YearExtensionAround(int allowedYearsInPast)
      Create a year extension nearest policy with the current year taken from the system time.
      Since:
      ostermillerutils 1.08.00

    • YearExtensionAround

      public YearExtensionAround(int allowedYearsInPast, int currentYear)
      Create a year extension nearest policy with the given current year
      Parameters:
      currentYear - full year eg 2000
      Since:
      ostermillerutils 1.08.00

  • Method Details

    • getNearest

      public static final YearExtensionAround getNearest(int currentYear)
      Extend a two digit year to the nearest year that ends in those two digits.

      When it is the year 2000:

      • 50 to 1950
      • 99 to 1999
      • 00 to 2000
      • 01 to 2001
      Parameters:
      currentYear - the current year
      Since:
      ostermillerutils 1.08.00

    • getLatest

      public static final YearExtensionAround getLatest(int currentYear)
      Extend a two digit year to the nearest year that ends in those two digits.

      When it is the year 2000:

      • 01 to 1901
      • 49 to 1949
      • 50 to 1950
      • 99 to 1999
      • 00 to 2000
      Parameters:
      currentYear - the current year
      Since:
      ostermillerutils 1.08.00

    • setAllowedYearsInPast

      public void setAllowedYearsInPast(int allowedYearsInPast)
      Number of years in the past to allow dates
      Parameters:
      allowedYearsInPast - number between 0 and 99

    • setCurrentYear

      public void setCurrentYear(int currentYear)
      Set the current year.
      Parameters:
      currentYear - full year eg 2000
      Since:
      ostermillerutils 1.08.00

    • extendYear

      public int extendYear(int twoDigitYear)
      Extend a two digit year to the nearest year that ends in those two digits.

      Will choose a year within 100 years of the current year. Whether the year is in the past or future is determined by how many years are allowed in the past.

      Specified by:
      extendYear in interface YearExtensionPolicy
      Parameters:
      twoDigitYear - year from 0 to 99
      Returns:
      Full year representation
      Since:
      ostermillerutils 1.08.00