Java tutorial
/* ***** BEGIN LICENSE BLOCK ***** * Copyright (C) 2014 Linagora * * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License as published by the Free * Software Foundation, either version 3 of the License, or (at your option) any * later version, provided you comply with the Additional Terms applicable for OBM * software by Linagora pursuant to Section 7 of the GNU Affero General Public * License, subsections (b), (c), and (e), pursuant to which you must notably (i) * retain the displaying by the interactive user interfaces of the OBM, Free * Communication by Linagora? Logo with the You are using the Open Source and * free version of OBM developed and supported by Linagora. Contribute to OBM R&D * by subscribing to an Enterprise offer !? infobox, (ii) retain all hypertext * links between OBM and obm.org, between Linagora and linagora.com, as well as * between the expression Enterprise offer? and pro.obm.org, and (iii) refrain * from infringing Linagora intellectual property rights over its trademarks and * commercial brands. Other Additional Terms apply, see * <http://www.linagora.com/licenses/> for more details. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License and * its applicable Additional Terms for OBM along with this program. If not, see * <http://www.gnu.org/licenses/> for the GNU Affero General Public License * version 3 and <http://www.linagora.com/licenses/> for the Additional Terms * applicable to the OBM software. * ***** END LICENSE BLOCK ***** */ package org.obm.imap.archive.services; import javax.inject.Inject; import org.joda.time.DateTime; import org.joda.time.DateTimeZone; import org.obm.imap.archive.beans.RepeatKind; import org.obm.imap.archive.beans.SchedulingConfiguration; import org.obm.sync.date.DateProvider; import com.google.common.annotations.VisibleForTesting; import com.google.inject.Singleton; @Singleton public class SchedulingDatesService { private final DateProvider dateProvider; @Inject @VisibleForTesting SchedulingDatesService(DateProvider dateProvider) { this.dateProvider = dateProvider; } public DateTime nextTreatmentDate(SchedulingConfiguration schedulingConfiguration) { DateTime currentDateTime = new DateTime(dateProvider.getDate()); DateTime currentDateWithScheduledTime = currentDateTime.withZone(DateTimeZone.UTC) .withHourOfDay(schedulingConfiguration.getHour()) .withMinuteOfHour(schedulingConfiguration.getMinute()).withSecondOfMinute(0).withMillisOfSecond(0); switch (schedulingConfiguration.getRepeatKind()) { case DAILY: return dailyNextTreatmentDate(currentDateTime, currentDateWithScheduledTime); case WEEKLY: return weeklyNextTreatmentDate(schedulingConfiguration, currentDateTime, currentDateWithScheduledTime); case MONTHLY: return monthlyNextTreatmentDate(schedulingConfiguration, currentDateTime, currentDateWithScheduledTime); case YEARLY: return yearlyNextTreatmentDate(schedulingConfiguration, currentDateTime, currentDateWithScheduledTime); default: throw new IllegalArgumentException("Unknown repeat kind: " + schedulingConfiguration.getRepeatKind()); } } private DateTime dailyNextTreatmentDate(DateTime currentDateTime, DateTime currentDateWithScheduledTime) { if (currentDateWithScheduledTime.isAfter(currentDateTime)) { return currentDateWithScheduledTime; } return currentDateWithScheduledTime.plusDays(1); } private DateTime weeklyNextTreatmentDate(SchedulingConfiguration schedulingConfiguration, DateTime currentDateTime, DateTime currentDateWithScheduledTime) { DateTime dayOfWeek = currentDateWithScheduledTime .withDayOfWeek(schedulingConfiguration.getDayOfWeek().getSpecificationValue()); if (dayOfWeek.isAfter(currentDateTime)) { return dayOfWeek; } return dayOfWeek.plusWeeks(1); } private DateTime monthlyNextTreatmentDate(SchedulingConfiguration schedulingConfiguration, DateTime currentDateTime, DateTime currentDateWithScheduledTime) { if (schedulingConfiguration.isLastDayOfMonth()) { return nextTreatmentDateOnLastDayOfMonth(currentDateTime, currentDateWithScheduledTime); } return nextTreatmentDateCommonDayOfMonth(schedulingConfiguration, currentDateTime, currentDateWithScheduledTime); } private DateTime nextTreatmentDateOnLastDayOfMonth(DateTime currentDateTime, DateTime currentDateWithScheduledTime) { DateTime dayOfMonth = lastDayOfMonth(currentDateWithScheduledTime); if (dayOfMonth.isAfter(currentDateTime)) { return dayOfMonth; } // currentDateTime is at the end of the month, but on a higher time -> next month return lastDayOfMonth(currentDateWithScheduledTime.plusMonths(1)); } private DateTime lastDayOfMonth(DateTime currentDateWithScheduledTime) { return currentDateWithScheduledTime.plusMonths(1).withDayOfMonth(1).minusDays(1); } private DateTime nextTreatmentDateCommonDayOfMonth(SchedulingConfiguration schedulingConfiguration, DateTime currentDateTime, DateTime currentDateWithScheduledTime) { DateTime dayOfMonth = currentDateWithScheduledTime .withDayOfMonth(schedulingConfiguration.getDayOfMonth().getDayIndex()); if (dayOfMonth.isAfter(currentDateTime)) { return dayOfMonth; } return dayOfMonth.plusMonths(1); } private DateTime yearlyNextTreatmentDate(SchedulingConfiguration schedulingConfiguration, DateTime currentDateTime, DateTime currentDateWithScheduledTime) { DateTime dayOfYear = currentDateWithScheduledTime .withDayOfYear(schedulingConfiguration.getDayOfYear().getDayOfYear()); if (dayOfYear.isAfter(currentDateTime)) { return dayOfYear; } return dayOfYear.plusYears(1); } public DateTime higherBoundary(DateTime treatmentDate, RepeatKind repeatKind) { return treatmentDate.minus(RepeatKind.toPeriod(repeatKind, 1)).withTime(23, 59, 59, 999); } }