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.portlet.documentlibrary.util.comparator;
016    
017    import com.liferay.portal.kernel.repository.model.Folder;
018    import com.liferay.portal.kernel.util.OrderByComparator;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     * @author Alexander Chow
023     */
024    public class FolderNameComparator extends OrderByComparator {
025    
026            public static final String ORDER_BY_ASC = "name ASC";
027    
028            public static final String ORDER_BY_DESC = "name DESC";
029    
030            public static final String[] ORDER_BY_FIELDS = {"name"};
031    
032            public FolderNameComparator() {
033                    this(false);
034            }
035    
036            public FolderNameComparator(boolean ascending) {
037                    _ascending = ascending;
038            }
039    
040            @Override
041            public int compare(Object folder1, Object folder2) {
042                    String name1 = ((Folder)folder1).getName();
043                    String name2 = ((Folder)folder2).getName();
044    
045                    int value = name1.compareToIgnoreCase(name2);
046    
047                    if (_ascending) {
048                            return value;
049                    }
050                    else {
051                            return -value;
052                    }
053            }
054    
055            @Override
056            public String getOrderBy() {
057                    if (_ascending) {
058                            return ORDER_BY_ASC;
059                    }
060                    else {
061                            return ORDER_BY_DESC;
062                    }
063            }
064    
065            @Override
066            public String[] getOrderByFields() {
067                    return ORDER_BY_FIELDS;
068            }
069    
070            @Override
071            public boolean isAscending() {
072                    return _ascending;
073            }
074    
075            private final boolean _ascending;
076    
077    }