package util; import java.util.Comparator; /** * A comparator that reverses the order implied by another comparator. * * @author Steffen Zschaler * @version 3.0 12/14/2000 * @since v3.0 */ public final class ReverseOrderComparator extends Object implements Comparator { /** * The original comparator. */ private Comparator m_cmpOrg; /** * Creates new ReverseOrderComparator. */ public ReverseOrderComparator (Comparator cmpOrg) { super(); m_cmpOrg = cmpOrg; } public boolean equals (Object o2) { return (o2 instanceof ReverseOrderComparator) && (((ReverseOrderComparator) o2).m_cmpOrg == m_cmpOrg); } public int compare (final Object o1, final Object o2) { return (-1) * m_cmpOrg.compare (o1, o2); } }