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.util.Comparator;
020    
021    /**
022     * @author Jorge Ferrer
023     * @author Minhchau Dang
024     * @author Brian Wing Shun Chan
025     */
026    public class PortletControlPanelWeightComparator
027            implements Comparator<Portlet> {
028    
029            @Override
030            public int compare(Portlet portlet1, Portlet portlet2) {
031                    double portletWeight1 = portlet1.getControlPanelEntryWeight();
032                    double portletWeight2 = portlet2.getControlPanelEntryWeight();
033    
034                    int value = Double.compare(portletWeight1, portletWeight2);
035    
036                    if (value != 0) {
037                            return value;
038                    }
039    
040                    String portletId1 = portlet1.getPortletId();
041                    String portletId2 = portlet2.getPortletId();
042    
043                    return portletId1.compareTo(portletId2);
044            }
045    
046    }