01: /*
02: * Distributed as part of c3p0 v.0.9.1.2
03: *
04: * Copyright (C) 2005 Machinery For Change, Inc.
05: *
06: * Author: Steve Waldman <swaldman@mchange.com>
07: *
08: * This library is free software; you can redistribute it and/or modify
09: * it under the terms of the GNU Lesser General Public License version 2.1, as
10: * published by the Free Software Foundation.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public License
18: * along with this software; see the file LICENSE. If not, write to the
19: * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: */
22:
23: package com.mchange.v2.lang;
24:
25: public final class ObjectUtils {
26: public static boolean eqOrBothNull(Object a, Object b) {
27: if (a == b)
28: return true;
29: else if (a == null)
30: return false;
31: else
32: return a.equals(b);
33: }
34:
35: /**
36: * Note -- if you are using Arrays.equals( ... ) or similar
37: * and want a compatible hash method, see methods in
38: * {@link com.mchange.v1.util.ArrayUtils#hashOrZeroArray ArrayUtils}.
39: */
40: public static int hashOrZero(Object o) {
41: return (o == null ? 0 : o.hashCode());
42: }
43:
44: private ObjectUtils() {
45: }
46: }
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