felix@6959: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
felix@6959:  * Software engineering by Intevation GmbH
felix@6959:  *
felix@6959:  * This file is Free Software under the GNU AGPL (>=v3)
felix@6959:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
felix@6959:  * documentation coming with Dive4Elements River for details.
felix@6959:  */
felix@6959: 
felix@6959: package org.dive4elements.river.utils;
felix@6959: 
felix@6959: /** Utils to deal with Comparisons. */
felix@6959: public class CompareUtil
felix@6959: {
felix@6959:     /** Singleton. */
felix@6959:     private CompareUtil() {
felix@6959:     }
felix@6959: 
felix@6959:     /** Return true if a and b are either both null or equal(). */
felix@6959:     public static <T> boolean areSame(T a, T b) {
felix@6959:        if (a == null) return b == null;
felix@6959:        if (b == null) return false;
felix@6959:        return a.equals(b);
felix@6959:     }
felix@6959: }
felix@6959: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :