001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.gwt.shared.sort;
029
030import java.util.Comparator;
031
032/**
033 * Comparator for objects with a path property.<p>
034 *
035 * @see I_CmsHasPath
036 *
037 * @since 8.0.0
038 */
039public class CmsComparatorPath implements Comparator<I_CmsHasPath> {
040
041    /** Sort order flag. */
042    private boolean m_ascending;
043
044    /**
045     * Constructor.<p>
046     *
047     * @param ascending if <code>true</code> order is ascending
048     */
049    public CmsComparatorPath(boolean ascending) {
050
051        m_ascending = ascending;
052    }
053
054    /**
055     * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
056     */
057    public int compare(I_CmsHasPath o1, I_CmsHasPath o2) {
058
059        int result = o1.getPath().compareTo(o2.getPath());
060        return m_ascending ? result : -result;
061    }
062}