/// <summary>Gets the holiday calendar from a specific enumeration, where the elements of the enumeration has to
/// have some <see cref="HolidayAttribute"/> attribute containing the holiday information and the enumeration
/// has to have a <see cref="CustomHolidayCalendarAttribute"/>.
/// </summary>
/// <param name="enumType">The <see cref="System.Type"/> of the enumeration where each element
/// contains some <see cref="HolidayAttribute"/> attribute.</param>
/// <returns>A holiday calendar with respect to <paramref name="enumType"/>.</returns>
/// <exception cref="ArgumentException">Thrown if <paramref name="enumType"/> does not represent an enumeration or no attributes are given.</exception>
public static IHolidayCalendar Create(Type enumType)
{
if ((enumType == null) || (!enumType.IsEnum))
{
throw new ArgumentException("Enumeration types allowed only.", "enumType");
}
CustomHolidayCalendarAttribute enumTypeAttribute = EnumAttribute.Create <CustomHolidayCalendarAttribute>(enumType);
if ((enumTypeAttribute == null) || (enumTypeAttribute.FullResourceName == null) || (enumTypeAttribute.FullResourceName.Length == 0))
{
throw new InvalidOperationException("The enumeration type '" + enumType.Name + "' does not contains the 'CustomHolidayCalendarAttribute' with a valid resource name.");
}
/* now get the list of holidays with respect to the holiday calendar: */
List <IHoliday> holidayList = new List <IHoliday>();
ResourceManager resourceManager = new ResourceManager(enumTypeAttribute.FullResourceName, enumType.Assembly);
foreach (Enum holiday in Enum.GetValues(enumType))
{
HolidayAttribute holidayAttribute = EnumAttribute.Create <HolidayAttribute>(holiday);
if (holidayAttribute != null)
{
holidayList.Add(holidayAttribute.GetHoliday(resourceManager));
}
}
IdentifierString calendarName = new IdentifierString(enumTypeAttribute.CalendarName);
/* try to get some (language depending) description of the holiday calendar: */
string description = null;
if ((enumTypeAttribute.Description != null) && (String.IsNullOrEmpty(enumTypeAttribute.Description) == false))
{
description = resourceManager.GetString(enumTypeAttribute.Description, Thread.CurrentThread.CurrentUICulture);
}
return(new CustomHolidayCalendar(calendarName, enumTypeAttribute.Region, holidayList, enumTypeAttribute.FirstDate, enumTypeAttribute.LastDate, description));
}
/// <summary>Creates the specified <see cref="NLoptConfiguration"/>.
/// </summary>
/// <param name="nloptAlgorithm">The NLopt algorithm in its <see cref="NLoptAlgorithm"/> representation.</param>
/// <returns>The configuration of the specified NLopt algorithm in its <see cref="NLoptConfiguration"/> representation.</returns>
public static NLoptConfiguration Create(NLoptAlgorithm nloptAlgorithm)
{
var attribute = EnumAttribute.Create <NLoptAlgorithmAttribute>(nloptAlgorithm);
return(attribute.GetConfiguration());
}