X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fnet%2Fpterodactylus%2Futil%2Fbeans%2FComparer.java;fp=src%2Fnet%2Fpterodactylus%2Futil%2Fbeans%2FComparer.java;h=68c526456e562fe1525a4471b6d0f697733b6bf5;hb=491db1fa72a99e55539b54b03eef3c0d69b27871;hp=0000000000000000000000000000000000000000;hpb=ea62394a04221939894d0fe6ef144f864bb3cf57;p=jSite2.git
diff --git a/src/net/pterodactylus/util/beans/Comparer.java b/src/net/pterodactylus/util/beans/Comparer.java
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+/*
+ * jSite2 - StringComparer.java
+ * Copyright © 2008 David Roden
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package net.pterodactylus.util.beans;
+
+/**
+ * Compares different objects. Can be used to detect change in property values.
+ *
+ * @author David âBombeâ Roden <bombe@freenetproject.org>
+ * @version $Id$
+ */
+public class Comparer {
+
+ /**
+ * Compares the two objects and returns whether they are equal according to
+ * {@link Object#equals(Object)}. This method takes null
+ * into account as a valid value for an object.
+ *
+ * @param first
+ * The first object
+ * @param second
+ * The second object
+ * @return true
if the two objects are equal,
+ * false
otherwise
+ */
+ public static boolean equal(Object first, Object second) {
+ return ((first == null) && (second == null)) || ((first != null) && first.equals(second)) || ((second != null) && second.equals(first));
+ }
+
+}