public override DaylightTime GetDaylightChanges(int year)
{
if (year < 1 || year > 9999)
{
throw new ArgumentOutOfRangeException("year", String.Format(Environment.GetResourceString("ArgumentOutOfRange_Range"), 1, 9999));
}
Object objYear = (Object)year;
if (!m_CachedDaylightChanges.Contains(objYear))
{
BCLDebug.Log("Getting TimeZone information for: " + objYear);
lock (typeof(CurrentSystemTimeZone)) {
if (!m_CachedDaylightChanges.Contains(objYear))
{
//
// rawData is an array of 17 short (16 bit) numbers.
// The first 8 numbers contains the
// year/month/day/dayOfWeek/hour/minute/second/millisecond for the starting time of daylight saving time.
// The next 8 numbers contains the
// year/month/day/dayOfWeek/hour/minute/second/millisecond for the ending time of daylight saving time.
// The last short number is the delta to the standard offset in minutes.
//
short[] rawData = nativeGetDaylightChanges();
if (rawData == null)
{
//
// If rawData is null, it means that daylight saving time is not used
// in this timezone. So keep currentDaylightChanges as the empty array.
//
m_CachedDaylightChanges.Add(objYear, new DaylightTime(DateTime.MinValue, DateTime.MinValue, TimeSpan.Zero));
}
else
{
DateTime start;
DateTime end;
TimeSpan delta;
//
// Store the start of daylight saving time.
//
start = GetDayOfWeek(year, rawData[1], rawData[2],
rawData[3],
rawData[4], rawData[5], rawData[6], rawData[7]);
//
// Store the end of daylight saving time.
//
end = GetDayOfWeek(year, rawData[9], rawData[10],
rawData[11],
rawData[12], rawData[13], rawData[14], rawData[15]);
delta = new TimeSpan(rawData[16] * TicksPerMinute);
DaylightTime currentDaylightChanges = new DaylightTime(start, end, delta);
m_CachedDaylightChanges.Add(objYear, currentDaylightChanges);
}
}
}
}
DaylightTime result = (DaylightTime)m_CachedDaylightChanges[objYear];
return(result);
}
// GetRealObject uses the data we have in m_data and m_unityType to do a lookup on the correct
// object to return. We have specific code here to handle the different types which we support.
// The reflection types (Assembly, Module, and Type) have to be looked up through their static
// accessors by name.
public virtual Object GetRealObject(StreamingContext context)
{
Assembly assem;
BCLDebug.Trace("SER", "[GetRealObject] UnityType:", m_unityType);
switch (m_unityType)
{
case EmptyUnity:
BCLDebug.Trace("SER", "[GetRealObject]Returning Empty.Value");
BCLDebug.Trace("SER", "[GetRealObject]Empty's value is: ", Empty.Value, "||");
return(Empty.Value);
case NullUnity:
return(DBNull.Value);
case MissingUnity:
return(Missing.Value);
case RuntimeTypeUnity:
if (m_data == null || m_data.Length == 0 || m_assemName == null)
{
BCLDebug.Trace("SER", "UnitySerializationHolder.GetRealObject Type. Data is: ", m_data);
throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientDeserializationState"));
}
if (m_assemName.Length == 0)
{
return(RuntimeType.GetTypeInternal(m_data, false, false, false));
}
assem = FormatterServices.LoadAssemblyFromStringNoThrow(m_assemName);
if (assem == null)
{
BCLDebug.Trace("SER", "UnitySerializationHolder.GetRealObject Type. AssemblyName is: ", m_assemName, " but we can't load it.");
throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientDeserializationState"));
}
Type t = assem.GetTypeInternal(m_data, false, false, false);
return(t);
case ModuleUnity:
if (m_data == null || m_data.Length == 0 || m_assemName == null)
{
BCLDebug.Trace("SER", "UnitySerializationHolder.GetRealObject Module. Data is: ", m_data);
throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientDeserializationState"));
}
assem = FormatterServices.LoadAssemblyFromStringNoThrow(m_assemName);
if (assem == null)
{
BCLDebug.Trace("SER", "UnitySerializationHolder.GetRealObject Module. AssemblyName is: ", m_assemName, " but we can't load it.");
throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientDeserializationState"));
}
Module namedModule = assem.GetModule(m_data);
if (namedModule == null)
{
throw new SerializationException(Environment.GetResourceString("Serialization_UnableToFindModule"));
}
return(namedModule);
case AssemblyUnity:
if (m_data == null || m_data.Length == 0 || m_assemName == null)
{
BCLDebug.Log("UnitySerializationHolder.GetRealObject. Assembly. Data is: " + ((m_data == null)?"<null>":m_data));
throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientDeserializationState"));
}
assem = FormatterServices.LoadAssemblyFromStringNoThrow(m_assemName);
if (assem == null)
{
BCLDebug.Trace("SER", "UnitySerializationHolder.GetRealObject Module. AssemblyName is: ", m_assemName, " but we can't load it.");
throw new SerializationException(Environment.GetResourceString("Serialization_InsufficientDeserializationState"));
}
return(assem);
default:
//This should never happen because we only use the class internally.
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidUnity"));
}
}
