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                            String name1 = group1.getName();
055                            String name2 = group2.getName();
056    
057                            value = name1.compareTo(name2);
058                    }
059    
060                    if (_ascending) {
061                            return value;
062                    }
063                    else {
064                            return -value;
065                    }
066            }
067    
068            @Override
069            public String getOrderBy() {
070                    if (_ascending) {
071                            return ORDER_BY_ASC;
072                    }
073                    else {
074                            return ORDER_BY_DESC;
075                    }
076            }
077    
078            @Override
079            public String[] getOrderByFields() {
080                    return ORDER_BY_FIELDS;
081            }
082    
083            @Override
084            public boolean isAscending() {
085                    return _ascending;
086            }
087    
088            private boolean _ascending;
089    
090    }