1 /*
2 * Copyright 2005-2008 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.kns.util;
17
18 /**
19 *
20 */
21 public class NumberUtils extends org.apache.commons.lang.math.NumberUtils {
22 /**
23 * @param i
24 * @param defaultValue
25 * @return intValue of i, or defaultValue if i is null
26 */
27 public static int intValue(Integer i, int defaultValue) {
28 int value = defaultValue;
29
30 if (i != null) {
31 value = i.intValue();
32 }
33
34 return value;
35 }
36
37
38 /**
39 * @param i
40 * @param j
41 * @return true if both of the integers are null, or point to instances with the same mathematical value
42 */
43 public static boolean equals(Integer i, Integer j) {
44 boolean equal = false;
45
46 if ((i == null) && (j == null)) {
47 equal = true;
48 }
49 else if (i != null) {
50 equal = i.equals(j);
51 }
52
53 return equal;
54 }
55
56
57 /**
58 * @param i
59 * @param j
60 * @return true if both of the given KualiDecimals are null, or point to instances with the same mathematical value
61 */
62 public static boolean equals(KualiDecimal j, KualiDecimal k) {
63 boolean equal = false;
64
65 if ((j == null) && (k == null)) {
66 equal = true;
67 }
68 else if (j != null) {
69 equal = j.equals(k);
70 }
71
72 return equal;
73 }
74 }