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.Role;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class RoleTypeComparator extends OrderByComparator {
024    
025            public static final String ORDER_BY_ASC = "Role_.type_ ASC, Role_.name ASC";
026    
027            public static final String ORDER_BY_DESC =
028                    "Role_.type_ DESC, Role_.name DESC";
029    
030            public static final String[] ORDER_BY_FIELDS = {"type", "name"};
031    
032            public RoleTypeComparator() {
033                    this(false);
034            }
035    
036            public RoleTypeComparator(boolean ascending) {
037                    _ascending = ascending;
038            }
039    
040            @Override
041            public int compare(Object obj1, Object obj2) {
042                    Role role1 = (Role)obj1;
043                    Role role2 = (Role)obj2;
044    
045                    int value = 0;
046    
047                    if (role1.getType() > role2.getType()) {
048                            value = 1;
049                    }
050                    else if (role1.getType() < role2.getType()) {
051                            value = -1;
052                    }
053    
054                    if (value == 0) {
055                            value = role1.getName().compareTo(role2.getName());
056                    }
057    
058                    if (_ascending) {
059                            return value;
060                    }
061                    else {
062                            return -value;
063                    }
064            }
065    
066            @Override
067            public String getOrderBy() {
068                    if (_ascending) {
069                            return ORDER_BY_ASC;
070                    }
071                    else {
072                            return ORDER_BY_DESC;
073                    }
074            }
075    
076            @Override
077            public String[] getOrderByFields() {
078                    return ORDER_BY_FIELDS;
079            }
080    
081            @Override
082            public boolean isAscending() {
083                    return _ascending;
084            }
085    
086            private boolean _ascending;
087    
088    }