001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.kns.web.comparator;
017
018import org.displaytag.model.Cell;
019
020import java.io.Serializable;
021import java.util.Comparator;
022
023/**
024 * @deprecated KNS Struts deprecated, use KRAD and the Spring MVC framework.
025 */
026@Deprecated
027public class BooleanCellComparator implements Comparator, Serializable {
028
029    static final long serialVersionUID = 1525781435762831055L;
030
031    public int compare(Object o1, Object o2) {
032
033        // null guard. non-null value is greater. equal if both are null
034        if (null == o1 || null == o2) {
035
036            return null == o1 && null == o2 ? 0 : null == o1 ? -1 : 1;
037
038        }
039
040        String s1 = CellComparatorHelper.getSanitizedStaticValue((Cell) o1);
041        String s2 = CellComparatorHelper.getSanitizedStaticValue((Cell) o2);
042
043        int compared = 0;
044
045        Boolean b1 = Boolean.valueOf(s1);
046        Boolean b2 = Boolean.valueOf(s2);
047
048        if (!b1.equals(b2)) {
049            if (b1.equals(Boolean.FALSE)) {
050                compared = -1;
051            }
052            else {
053                compared = 1;
054            }
055        }
056
057        return compared;
058    }
059
060}