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.model.Portlet;
018    
019    import java.io.Serializable;
020    
021    import java.util.Comparator;
022    
023    /**
024     * @author Brian Wing Shun Chan
025     */
026    public class PortletRenderWeightComparator
027            implements Comparator<Portlet>, Serializable {
028    
029            @Override
030            public int compare(Portlet portlet1, Portlet portlet2) {
031                    int renderWeight1 = portlet1.getRenderWeight();
032                    int renderWeight2 = portlet2.getRenderWeight();
033    
034                    if (renderWeight1 < renderWeight2) {
035                            return 1;
036                    }
037                    else if (renderWeight1 > renderWeight2) {
038                            return -1;
039                    }
040                    else {
041                            return portlet1.getPortletId().compareTo(portlet2.getPortletId());
042                    }
043            }
044    
045    }