calendarcomparator.java

来自「java 的源代码」· Java 代码 · 共 25 行

package com.reddragon2046.base.utilities.data.predicates;

import java.util.Calendar;
import java.util.Comparator;

public class CalendarComparator
    implements Comparator
{

    public CalendarComparator()
    {
    }

    public int compare(Object first, Object second)
    {
        Calendar c1 = (Calendar)first;
        Calendar c2 = (Calendar)second;
        boolean before = c1.before(c2);
        if(before ^ c1.after(c2))
            return before ? -1 : 1;
        else
            return 0;
    }
}