001    /**
002     * Copyright (c) 2000-2013 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 final String ORDER_BY_ASC = "groupType ASC, groupName ASC";
026    
027            public static final String ORDER_BY_DESC = "groupType DESC, groupName DESC";
028    
029            public static final 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            @Override
040            public int compare(Object obj1, Object obj2) {
041                    Group group1 = (Group)obj1;
042                    Group group2 = (Group)obj2;
043    
044                    int value = 0;
045    
046                    if (group1.getType() > group2.getType()) {
047                            value = 1;
048                    }
049                    else if (group1.getType() < group2.getType()) {
050                            value = -1;
051                    }
052    
053                    if (value == 0) {
054                            value = group1.getName().compareTo(group2.getName());
055                    }
056    
057                    if (_ascending) {
058                            return value;
059                    }
060                    else {
061                            return -value;
062                    }
063            }
064    
065            @Override
066            public String getOrderBy() {
067                    if (_ascending) {
068                            return ORDER_BY_ASC;
069                    }
070                    else {
071                            return ORDER_BY_DESC;
072                    }
073            }
074    
075            @Override
076            public String[] getOrderByFields() {
077                    return ORDER_BY_FIELDS;
078            }
079    
080            @Override
081            public boolean isAscending() {
082                    return _ascending;
083            }
084    
085            private boolean _ascending;
086    
087    }