001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.util.comparator;
016    
017    import com.liferay.portal.kernel.util.OrderByComparator;
018    import com.liferay.portal.model.Group;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class GroupTypeComparator extends OrderByComparator {
024    
025            public static String ORDER_BY_ASC = "groupType ASC, groupName ASC";
026    
027            public static String ORDER_BY_DESC = "groupType DESC, groupName DESC";
028    
029            public static String[] ORDER_BY_FIELDS = {"groupType", "groupName"};
030    
031            public GroupTypeComparator() {
032                    this(false);
033            }
034    
035            public GroupTypeComparator(boolean ascending) {
036                    _ascending = ascending;
037            }
038    
039            public int compare(Object obj1, Object obj2) {
040                    Group group1 = (Group)obj1;
041                    Group group2 = (Group)obj2;
042    
043                    int value = 0;
044    
045                    if (group1.getType() > group2.getType()) {
046                            value = 1;
047                    }
048                    else if (group1.getType() < group2.getType()) {
049                            value = -1;
050                    }
051    
052                    if (value == 0) {
053                            value = group1.getName().compareTo(group2.getName());
054                    }
055    
056                    if (_ascending) {
057                            return value;
058                    }
059                    else {
060                            return -value;
061                    }
062            }
063    
064            public String getOrderBy() {
065                    if (_ascending) {
066                            return ORDER_BY_ASC;
067                    }
068                    else {
069                            return ORDER_BY_DESC;
070                    }
071            }
072    
073            public String[] getOrderByFields() {
074                    return ORDER_BY_FIELDS;
075            }
076    
077            public boolean isAscending() {
078                    return _ascending;
079            }
080    
081            private boolean _ascending;
082    
083    }