1 /**
2 * Copyright 2005-2014 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.web.comparator;
17
18 import org.displaytag.model.Cell;
19
20 import java.io.Serializable;
21 import java.util.Comparator;
22
23 /**
24 * @deprecated KNS Struts deprecated, use KRAD and the Spring MVC framework.
25 */
26 @Deprecated
27 public class BooleanCellComparator implements Comparator, Serializable {
28
29 static final long serialVersionUID = 1525781435762831055L;
30
31 public int compare(Object o1, Object o2) {
32
33 // null guard. non-null value is greater. equal if both are null
34 if (null == o1 || null == o2) {
35
36 return null == o1 && null == o2 ? 0 : null == o1 ? -1 : 1;
37
38 }
39
40 String s1 = CellComparatorHelper.getSanitizedStaticValue((Cell) o1);
41 String s2 = CellComparatorHelper.getSanitizedStaticValue((Cell) o2);
42
43 int compared = 0;
44
45 Boolean b1 = Boolean.valueOf(s1);
46 Boolean b2 = Boolean.valueOf(s2);
47
48 if (!b1.equals(b2)) {
49 if (b1.equals(Boolean.FALSE)) {
50 compared = -1;
51 }
52 else {
53 compared = 1;
54 }
55 }
56
57 return compared;
58 }
59
60 }