Package com.ibm.icu.util

Class SimpleDateRule

java.lang.Object

com.ibm.icu.util.SimpleDateRule

All Implemented Interfaces:

DateRule

public class SimpleDateRule
extends java.lang.Object
implements DateRule

Note: The Holiday framework is a technology preview. Despite its age, is still draft API, and clients should treat it as such. Simple implementation of DateRule.

Constructor Summary

Constructors

Constructor	Description
SimpleDateRule(int month, int dayOfMonth)	Construct a rule for a fixed date within a month
SimpleDateRule(int month, int dayOfMonth, int dayOfWeek, boolean after)	Construct a rule for a weekday within a month, e.g.

Method Summary

Modifier and Type	Method	Description
java.util.Date	firstAfter(java.util.Date start)	Return the first occurrance of the event represented by this rule that is on or after the given start date.
java.util.Date	firstBetween(java.util.Date start, java.util.Date end)	Return the first occurrance of the event represented by this rule that is on or after the given start date and before the given end date.
boolean	isBetween(java.util.Date start, java.util.Date end)	Check whether this event occurs at least once between the two dates given.
boolean	isOn(java.util.Date date)	Checks whether this event occurs on the given date.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleDateRule

public SimpleDateRule(int month,
                      int dayOfMonth)

Construct a rule for a fixed date within a month

Parameters:

month - The month in which this rule occurs (0-based).

dayOfMonth - The date in that month (1-based).

SimpleDateRule

public SimpleDateRule(int month,
                      int dayOfMonth,
                      int dayOfWeek,
                      boolean after)

Construct a rule for a weekday within a month, e.g. the first Monday.

Parameters:

month - The month in which this rule occurs (0-based).

dayOfMonth - A date within that month (1-based).

dayOfWeek - The day of the week on which this rule occurs.

after - If true, this rule selects the first dayOfWeek on or after dayOfMonth. If false, the rule selects the first dayOfWeek on or before dayOfMonth.

Method Detail

firstAfter

public java.util.Date firstAfter(java.util.Date start)

Return the first occurrance of the event represented by this rule that is on or after the given start date.

Specified by:

firstAfter in interface DateRule

Parameters:

start - Only occurrances on or after this date are returned.

Returns:

The date on which this event occurs, or null if it does not occur on or after the start date.

See Also:

firstBetween(java.util.Date, java.util.Date)

firstBetween

public java.util.Date firstBetween(java.util.Date start,
                                   java.util.Date end)

Return the first occurrance of the event represented by this rule that is on or after the given start date and before the given end date.

Specified by:

firstBetween in interface DateRule

Parameters:

start - Only occurrances on or after this date are returned.

end - Only occurrances before this date are returned.

Returns:

The date on which this event occurs, or null if it does not occur between the start and end dates.

See Also:

firstAfter(java.util.Date)

isOn

public boolean isOn(java.util.Date date)

Checks whether this event occurs on the given date. This does not take time of day into account; instead it checks whether this event and the given date are on the same day. This is useful for applications such as determining whether a given day is a holiday.

Specified by:

isOn in interface DateRule

Parameters:

date - The date to check.

Returns:

true if this event occurs on the given date.

isBetween

public boolean isBetween(java.util.Date start,
                         java.util.Date end)

Check whether this event occurs at least once between the two dates given.

Specified by:

isBetween in interface DateRule