public object GetRealObject(IObjectReference obj, string id)
{
object realObject = SurrogateDataContract.GetRealObject(obj, base.GetStreamingContext());
if (realObject == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(System.Runtime.Serialization.SR.GetString("GetRealObjectReturnedNull", new object[] { DataContract.GetClrTypeFullName(obj.GetType()) })));
}
this.ReplaceDeserializedObject(id, obj, realObject);
return(realObject);
}
internal static DataContract GetDataContractFromSurrogateSelector(ISurrogateSelector surrogateSelector, StreamingContext context, RuntimeTypeHandle typeHandle, Type type, ref Hashtable surrogateDataContracts)
{
if (surrogateSelector == null)
{
return(null);
}
if (type == null)
{
type = Type.GetTypeFromHandle(typeHandle);
}
DataContract builtInDataContract = DataContract.GetBuiltInDataContract(type);
if (builtInDataContract != null)
{
return(builtInDataContract);
}
if (surrogateDataContracts != null)
{
DataContract cachedSurrogateContract = (DataContract)surrogateDataContracts[type];
if (cachedSurrogateContract != null)
{
return(cachedSurrogateContract);
}
}
DataContract surrogateContract = null;
ISerializationSurrogate surrogate = GetSurrogate(type, surrogateSelector, context);
if (surrogate != null)
{
surrogateContract = new SurrogateDataContract(type, surrogate);
}
else if (type.IsArray)
{
Type elementType = type.GetElementType();
DataContract itemContract = GetDataContractFromSurrogateSelector(surrogateSelector, context, elementType.TypeHandle, elementType, ref surrogateDataContracts);
if (itemContract == null)
{
itemContract = DataContract.GetDataContract(elementType.TypeHandle, elementType, SerializationMode.SharedType);
}
surrogateContract = new CollectionDataContract(type, itemContract);
}
if (surrogateContract != null)
{
if (surrogateDataContracts == null)
{
surrogateDataContracts = new Hashtable();
}
surrogateDataContracts.Add(type, surrogateContract);
return(surrogateContract);
}
return(null);
}
public object GetRealObject(IObjectReference obj, string id)
{
object?realObj = SurrogateDataContract.GetRealObject(obj, this.GetStreamingContext());
// If GetRealObject returns null, it indicates that the object could not resolve itself because
// it is missing information. This may occur in a case where multiple IObjectReference instances
// depend on each other. BinaryFormatter supports this by fixing up the references later. These
// XmlObjectSerializer implementations do not support fix-ups since the format does not contain
// forward references. However, we throw for this case since it allows us to add fix-up support
// in the future if we need to.
if (realObj == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException("error"));
}
ReplaceDeserializedObject(id, obj, realObj);
return(realObj);
}
internal static DataContract GetDataContractFromSurrogateSelector(ISurrogateSelector surrogateSelector, StreamingContext context, RuntimeTypeHandle typeHandle, Type type, ref Hashtable surrogateDataContracts)
{
if (surrogateSelector == null)
return null;
if (type == null)
type = Type.GetTypeFromHandle(typeHandle);
DataContract builtInDataContract = DataContract.GetBuiltInDataContract(type);
if (builtInDataContract != null)
return builtInDataContract;
if (surrogateDataContracts != null)
{
DataContract cachedSurrogateContract = (DataContract)surrogateDataContracts[type];
if (cachedSurrogateContract != null)
return cachedSurrogateContract;
}
DataContract surrogateContract = null;
ISerializationSurrogate surrogate = GetSurrogate(type, surrogateSelector, context);
if (surrogate != null)
surrogateContract = new SurrogateDataContract(type, surrogate);
else if (type.IsArray)
{
Type elementType = type.GetElementType();
DataContract itemContract = GetDataContractFromSurrogateSelector(surrogateSelector, context, elementType.TypeHandle, elementType, ref surrogateDataContracts);
if (itemContract == null)
itemContract = DataContract.GetDataContract(elementType.TypeHandle, elementType, SerializationMode.SharedType);
surrogateContract = new CollectionDataContract(type, itemContract);
}
if (surrogateContract != null)
{
if (surrogateDataContracts == null)
surrogateDataContracts = new Hashtable();
surrogateDataContracts.Add(type, surrogateContract);
return surrogateContract;
}
return null;
}
