package org.andromda.utils.beans.comparators;
import java.io.Serializable;
import java.util.Calendar;
import java.util.Comparator;
/**
* Used to sort by Calendar values
*
* @author Chad Brandon
*/
class CalendarComparator
implements Comparator,
Serializable
{
/**
* Used to sort Calendar values, both objects are assumed to be assignable
* to java.util.Calendar
*/
public int compare(
Object objectA,
Object objectB)
{
Calendar aAsCalendar = (Calendar)objectA;
Calendar bAsCalendar = (Calendar)objectB;
int result = 0;
if (bAsCalendar.after(aAsCalendar))
{
// set result to a negative integer if the first argument of this
// method is less than the second
result = -1;
}
else if (aAsCalendar.after(bAsCalendar))
{
// set result to a positive integer if the first argument of this
// method is greater than the second
result = 1;
}
return result;
}
}