Mercurial > dive4elements > river
changeset 6959:c80671932461
Added new CompareUtil (singleton Helper class).
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Tue, 03 Sep 2013 21:49:30 +0200 (2013-09-03) |
parents | d2bf655bd278 |
children | 7aa5ac17d728 |
files | artifacts/src/main/java/org/dive4elements/river/utils/CompareUtil.java |
diffstat | 1 files changed, 25 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/artifacts/src/main/java/org/dive4elements/river/utils/CompareUtil.java Tue Sep 03 21:49:30 2013 +0200 @@ -0,0 +1,25 @@ +/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde + * Software engineering by Intevation GmbH + * + * This file is Free Software under the GNU AGPL (>=v3) + * and comes with ABSOLUTELY NO WARRANTY! Check out the + * documentation coming with Dive4Elements River for details. + */ + +package org.dive4elements.river.utils; + +/** Utils to deal with Comparisons. */ +public class CompareUtil +{ + /** Singleton. */ + private CompareUtil() { + } + + /** Return true if a and b are either both null or equal(). */ + public static <T> boolean areSame(T a, T b) { + if (a == null) return b == null; + if (b == null) return false; + return a.equals(b); + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :