Java tutorial
/* * Copyright (C) 2005-2013 ManyDesigns srl. All rights reserved. * http://www.manydesigns.com/ * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package com.manydesigns.portofino.pageactions.calendar; import com.manydesigns.elements.util.StringComparator; import org.joda.time.DateTime; import org.joda.time.DateTimeComparator; import java.util.Comparator; /** * @author Paolo Predonzani - paolo.predonzani@manydesigns.com * @author Angelo Lupo - angelo.lupo@manydesigns.com * @author Giampiero Granatella - giampiero.granatella@manydesigns.com * @author Alessio Stalla - alessio.stalla@manydesigns.com */ public class EventWeekComparator implements Comparator<EventWeek> { public static final String copyright = "Copyright (c) 2005-2013, ManyDesigns srl"; final DateTimeComparator dateTimeComparator; final StringComparator stringComparator; public EventWeekComparator() { dateTimeComparator = DateTimeComparator.getInstance(); stringComparator = new StringComparator(); } public int compare(EventWeek eventWeek1, EventWeek eventWeek2) { Event event1 = eventWeek1.getEvent(); DateTime startDateTime1 = event1.getInterval().getStart(); Event event2 = eventWeek2.getEvent(); DateTime startDateTime2 = event2.getInterval().getStart(); int result = dateTimeComparator.compare(startDateTime1, startDateTime2); if (result == 0) { return stringComparator.compare(event1.getId(), event2.getId()); } else { return result; } } }