com.jidesoft.comparator
Class DateComparator

java.lang.Object
  com.jidesoft.comparator.DateComparator

All Implemented Interfaces:

java.util.Comparator

public class DateComparator
extends java.lang.Object
implements java.util.Comparator

Comparator for Date type. This is a singleton class. Call getInstance() to get the comparator.

Constructor Summary

protected

DateComparator() Constructor.

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Compares two Dates.
static DateComparator	getInstance() Returns DateComparator singleton.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

DateComparator

protected DateComparator()

Constructor.

Has protected access to prevent other clients creating instances of the class ... it is stateless so we need only one instance.

Method Detail

getInstance

public static DateComparator getInstance()

Returns DateComparator singleton.

Returns:

an instance of DateComparator.

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compares two Dates.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - the first object to be compared

o2 - the second object to be compared

Returns:

0 if a and b are equal, -1 if a is before b, 1 if a is after b.