package com.mdimension.jchronic.repeaters;
import java.util.Calendar;
import com.mdimension.jchronic.tags.Pointer;
import com.mdimension.jchronic.tags.Pointer.PointerType;
import com.mdimension.jchronic.utils.Span;
import com.mdimension.jchronic.utils.Time;
public class RepeaterWeekend extends RepeaterUnit {
public static final int WEEKEND_SECONDS = 172800; // (2 * 24 * 60 * 60);
private Calendar _currentWeekStart;
@Override
protected Span _nextSpan(PointerType pointer) {
if (_currentWeekStart == null) {
if (pointer == Pointer.PointerType.FUTURE) {
RepeaterDayName saturdayRepeater = new RepeaterDayName(RepeaterDayName.DayName.SATURDAY);
saturdayRepeater.setStart((Calendar) getNow().clone());
Span nextSaturdaySpan = saturdayRepeater.nextSpan(Pointer.PointerType.FUTURE);
_currentWeekStart = nextSaturdaySpan.getBeginCalendar();
}
else if (pointer == Pointer.PointerType.PAST) {
RepeaterDayName saturdayRepeater = new RepeaterDayName(RepeaterDayName.DayName.SATURDAY);
saturdayRepeater.setStart(Time.cloneAndAdd(getNow(), Calendar.SECOND, RepeaterDay.DAY_SECONDS));
Span lastSaturdaySpan = saturdayRepeater.nextSpan(Pointer.PointerType.PAST);
_currentWeekStart = lastSaturdaySpan.getBeginCalendar();
}
}
else {
int direction = (pointer == Pointer.PointerType.FUTURE) ? 1 : -1;
_currentWeekStart = Time.cloneAndAdd(_currentWeekStart, Calendar.SECOND, direction * RepeaterWeek.WEEK_SECONDS);
}
return new Span(_currentWeekStart, Time.cloneAndAdd(_currentWeekStart, Calendar.SECOND, RepeaterWeekend.WEEKEND_SECONDS));
}
@Override
protected Span _thisSpan(PointerType pointer) {
Span thisSpan;
if (pointer == Pointer.PointerType.FUTURE || pointer == Pointer.PointerType.NONE) {
RepeaterDayName saturdayRepeater = new RepeaterDayName(RepeaterDayName.DayName.SATURDAY);
saturdayRepeater.setStart((Calendar) getNow().clone());
Span thisSaturdaySpan = saturdayRepeater.nextSpan(Pointer.PointerType.FUTURE);
thisSpan = new Span(thisSaturdaySpan.getBeginCalendar(), Time.cloneAndAdd(thisSaturdaySpan.getBeginCalendar(), Calendar.SECOND, RepeaterWeekend.WEEKEND_SECONDS));
}
else if (pointer == Pointer.PointerType.PAST) {
RepeaterDayName saturdayRepeater = new RepeaterDayName(RepeaterDayName.DayName.SATURDAY);
saturdayRepeater.setStart((Calendar) getNow().clone());
Span lastSaturdaySpan = saturdayRepeater.nextSpan(Pointer.PointerType.PAST);
thisSpan = new Span(lastSaturdaySpan.getBeginCalendar(), Time.cloneAndAdd(lastSaturdaySpan.getBeginCalendar(), Calendar.SECOND, RepeaterWeekend.WEEKEND_SECONDS));
}
else {
throw new IllegalArgumentException("Unable to handle pointer " + pointer + ".");
}
return thisSpan;
}
@Override
public Span getOffset(Span span, int amount, PointerType pointer) {
int direction = (pointer == Pointer.PointerType.FUTURE) ? 1 : -1;
RepeaterWeekend weekend = new RepeaterWeekend();
weekend.setStart(span.getBeginCalendar());
Calendar start = Time.cloneAndAdd(weekend.nextSpan(pointer).getBeginCalendar(), Calendar.SECOND, (amount - 1) * direction * RepeaterWeek.WEEK_SECONDS);
return new Span(start, Time.cloneAndAdd(start, Calendar.SECOND, span.getWidth()));
}
@Override
public int getWidth() {
// WARN: Does not use Calendar
return RepeaterWeekend.WEEKEND_SECONDS;
}
@Override
public String toString() {
return super.toString() + "-weekend";
}
}