/// <summary>
/// Constructs a <b>Fixed</b> date calender rule.
/// </summary>
/// <param name="name">The name of the holiday.</param>
/// <param name="from">The first year in which the holiday occurs.</param>
/// <param name="until">The last year in which the holiday occurs.</param>
/// <param name="month">The month of the year where the holidays falls.</param>
/// <param name="dayOfMonth">The day of the month where the holiday falls.</param>
/// <param name="dateRoll">The <see cref="DateRoll"/> used to adjust dates.</param>
public Fixed(string name, int from, int until, int month, int dayOfMonth, DateRoll dateRoll)
: base(name, from, until)
{
this.month = month;
this.dayOfMonth = dayOfMonth;
this.dateRoll = dateRoll;
}
/// <summary>
/// Constructs a <b>Fixed</b> date calender rule.
/// </summary>
/// <param name="name">The name of the holiday.</param>
/// <param name="from">The first year in which the holiday occurs.</param>
/// <param name="until">The last year in which the holiday occurs.</param>
/// <param name="month">The month of the year where the holidays falls.</param>
/// <param name="dayOfMonth">The day of the month where the holiday falls.</param>
/// <param name="dateRoll">The <see cref="DateRoll"/> used to adjust dates.</param>
public Fixed(string name, int from, int until, int month, int dayOfMonth, DateRoll dateRoll)
: base(name, from, until)
{
this.month = month;
this.dayOfMonth = dayOfMonth;
this.dateRoll = dateRoll;
}
/// <summary>
/// Parses the XML data file indicated by the URI to extract default sets
/// of calendars.
/// </summary>
/// <param name="uri">The URI of the source XML document.</param>
private static void ParseCalendars(string uri)
{
RuleBasedCalendar calendar = null;
XmlReader reader = XmlReader.Create(uri);
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
{
if (reader.LocalName.Equals("calendar"))
{
string name = reader ["name"];
Weekend weekend = Weekend.ForName(reader ["weekend"]);
if ((name != null) && (weekend != null))
{
calendar = new RuleBasedCalendar(name, weekend);
}
else
{
calendar = null;
}
}
else if (reader.LocalName.Equals("fixed"))
{
string name = reader ["name"];
int from = Int32.Parse(reader ["from"]);
int until = Int32.Parse(reader ["until"]);
int month = ConvertMonth(reader ["month"]);
int date = Int32.Parse(reader ["date"]);
DateRoll dateRoll = DateRoll.ForName(reader ["roll"]);
if ((calendar != null) && (month != 0) && (dateRoll != null))
{
calendar.AddRule(new CalendarRule.Fixed(name, from, until, month, date, dateRoll));
}
}
else if (reader.LocalName.Equals("offset"))
{
string name = reader ["name"];
int from = Int32.Parse(reader ["from"]);
int until = Int32.Parse(reader ["until"]);
int when = ConvertWhen(reader ["when"]);
int weekday = ConvertWeekday(reader ["weekday"]);
int month = ConvertMonth(reader ["month"]);
if ((calendar != null) && (month != 0) && (when != 0) && (weekday != 0))
{
calendar.AddRule(new CalendarRule.Offset(name, from, until, when, weekday, month));
}
}
else if (reader.LocalName.Equals("easter"))
{
string name = reader ["name"];
int from = Int32.Parse(reader ["from"]);
int until = Int32.Parse(reader ["until"]);
int offset = Int32.Parse(reader ["offset"]);
if (calendar != null)
{
calendar.AddRule(new CalendarRule.Easter(name, from, until, offset));
}
}
break;
}
}
}
reader.Close();
}
// --------------------------------------------------------------------
/// <summary>
/// Generates a set of dates according to schedule defined by a start date,
/// an end date, an interval, roll convention and a calendar.
/// </summary>
/// <param name="start">The start date.</param>
/// <param name="end">The end date.</param>
/// <param name="frequency">The frequency of the schedule (e.g. 6M).</param>
/// <param name="roll">The date roll convention or <c>null</c>.</param>
/// <param name="calendar">The holiday calendar or <c>null</c>.</param>
/// <returns>An array of calculated and adjusted dates.</returns>
private static Date[] GenerateSchedule(Date start, Date end,
Interval frequency, DateRoll roll, Calendar calendar)
{
Date current = start;
ArrayList found = new ArrayList ();
Date [] dates;
while (Less (current, end)) {
Date adjusted;
if (roll != null)
adjusted = roll.Adjust (calendar, current);
else
adjusted = current;
if (!found.Contains (adjusted))
found.Add (adjusted);
if (frequency.Period == Period.TERM) {
if (Equal (current, start))
current = end;
else
break;
}
else
current = current.Plus (frequency);
}
found.CopyTo (dates = new Date [found.Count]);
return (dates);
}
