net.objectlab.kit.datecalc.jdk

Class CalendarPeriodCountCalculator

java.lang.Object

net.objectlab.kit.datecalc.jdk.CalendarPeriodCountCalculator

All Implemented Interfaces:

PeriodCountCalculator<Calendar>

public class CalendarPeriodCountCalculator
extends Object
implements PeriodCountCalculator<Calendar>

Jdk Calendar based implementation of the PeriodCountCalculator.

Author:

Marcin Jekot

Constructor Summary

Constructors

Constructor and Description
CalendarPeriodCountCalculator()

Method Summary

Modifier and Type	Method and Description
int	dayDiff(Calendar start, Calendar end, PeriodCountBasis basis) This calculates the number of days between 2 dates, it follows the given basis which means that the result could vary between the same 2 dates if the basis is different.
double	monthDiff(Calendar start, Calendar end, PeriodCountBasis basis) This calculates the number of months (or fraction) between 2 dates, it follows the given basis which means that the result could vary between the same 2 dates if the basis is different.
double	yearDiff(Calendar start, Calendar end, PeriodCountBasis basis) This calculates the number of years (or fraction) between 2 dates, it follows the given basis which means that the result could vary between the same 2 dates if the basis is different.

Methods inherited from class java.lang.Object

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

Constructor Detail

CalendarPeriodCountCalculator

public CalendarPeriodCountCalculator()

Method Detail

dayDiff

public int dayDiff(Calendar start,
                   Calendar end,
                   PeriodCountBasis basis)

Description copied from interface: PeriodCountCalculator

This calculates the number of days between 2 dates, it follows the given basis which means that the result could vary between the same 2 dates if the basis is different.

Specified by:

dayDiff in interface PeriodCountCalculator<Calendar>

Parameters:

start - the start date

end - the end date

basis - the basis to use

Returns:

number of days between end and start.

monthDiff

public double monthDiff(Calendar start,
                        Calendar end,
                        PeriodCountBasis basis)

Description copied from interface: PeriodCountCalculator

This calculates the number of months (or fraction) between 2 dates, it follows the given basis which means that the result could vary between the same 2 dates if the basis is different.

Specified by:

monthDiff in interface PeriodCountCalculator<Calendar>

Parameters:

start - the start date

end - the end date

basis - the basis to use

Returns:

number of months between end and start.

yearDiff

public double yearDiff(Calendar start,
                       Calendar end,
                       PeriodCountBasis basis)

Description copied from interface: PeriodCountCalculator

This calculates the number of years (or fraction) between 2 dates, it follows the given basis which means that the result could vary between the same 2 dates if the basis is different.

Specified by:

yearDiff in interface PeriodCountCalculator<Calendar>

Parameters:

start - the start date

end - the end date

basis - the basis to use

Returns:

number of months between end and start.