Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/utils/CompareUtil.java @ 6959:c80671932461
Added new CompareUtil (singleton Helper class).
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Tue, 03 Sep 2013 21:49:30 +0200 |
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| 6958:d2bf655bd278 | 6959:c80671932461 |
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| 1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by Intevation GmbH | |
| 3 * | |
| 4 * This file is Free Software under the GNU AGPL (>=v3) | |
| 5 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 6 * documentation coming with Dive4Elements River for details. | |
| 7 */ | |
| 8 | |
| 9 package org.dive4elements.river.utils; | |
| 10 | |
| 11 /** Utils to deal with Comparisons. */ | |
| 12 public class CompareUtil | |
| 13 { | |
| 14 /** Singleton. */ | |
| 15 private CompareUtil() { | |
| 16 } | |
| 17 | |
| 18 /** Return true if a and b are either both null or equal(). */ | |
| 19 public static <T> boolean areSame(T a, T b) { | |
| 20 if (a == null) return b == null; | |
| 21 if (b == null) return false; | |
| 22 return a.equals(b); | |
| 23 } | |
| 24 } | |
| 25 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |