/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic 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.
*
* FenixEdu Academic 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 FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.domain.phd;
import org.fenixedu.academic.domain.Holiday;
import org.fenixedu.academic.util.WeekDay;
import org.joda.time.LocalDate;
public class PhdProgramCalendarUtil {
static public int countWorkDaysBetween(final LocalDate startDate, final LocalDate endDate) {
int result = 0;
LocalDate current = startDate.plusDays(1);
while (!current.isAfter(endDate)) {
if (isWorkDay(current)) {
result++;
}
current = current.plusDays(1);
}
return result;
}
static public LocalDate addWorkDaysTo(final LocalDate date, final int workDays) {
int current = workDays;
LocalDate result = date;
while (current > 0) {
result = result.plusDays(1);
if (isWorkDay(result)) {
current--;
}
}
return result;
}
static private boolean isWorkDay(LocalDate current) {
final WeekDay dayOfWeek = WeekDay.fromJodaTimeToWeekDay(current.toDateTimeAtStartOfDay());
return dayOfWeek != WeekDay.SATURDAY && dayOfWeek != WeekDay.SUNDAY && !Holiday.isHoliday(current);
}
}