/// <summary>
/// Fetches a calendar system by its unique identifier. This provides full round-tripping of a calendar
/// system. This method will always return the same reference for the same ID.
/// </summary>
/// <param name="id">The ID of the calendar system. This is case-sensitive.</param>
/// <returns>The calendar system with the given ID.</returns>
/// <seealso cref="Id"/>
/// <exception cref="KeyNotFoundException">No calendar system for the specified ID can be found.</exception>
/// <exception cref="NotSupportedException">The calendar system with the specified ID is known, but not supported on this platform.</exception>
public static CalendarSystem ForId(string id)
{
Preconditions.CheckNotNull(id, nameof(id));
if (!IdToFactoryMap.TryGetValue(id, out Func <CalendarSystem> factory))
{
throw new KeyNotFoundException($"No calendar system for ID {id} exists");
}
return(factory());
}
/// <summary>
/// Fetches a calendar system by its unique identifier. This provides full round-tripping of a calendar
/// system. It is not guaranteed that calling this method twice with the same identifier will return
/// identical references, but the references objects will be equal.
/// </summary>
/// <param name="id">The ID of the calendar system. This is case-sensitive.</param>
/// <returns>The calendar system with the given ID.</returns>
/// <seealso cref="Id"/>
/// <exception cref="KeyNotFoundException">No calendar system for the specified ID can be found.</exception>
public static CalendarSystem ForId(string id)
{
Func <CalendarSystem> factory;
if (!IdToFactoryMap.TryGetValue(id, out factory))
{
throw new KeyNotFoundException(string.Format("No calendar system for ID {0} exists", id));
}
return(factory());
}