private bool IsSpecificTypeSpecialCollection(Type type)
{
if (type.IsGenericTypeEx())
{
var fullName = type.GetSafeFullName();
if (fullName.StartsWith("System.Collections.ObjectModel.ObservableCollection") ||
fullName.StartsWith("System.Collections.Generic."))
{
// Note: this is not a bug, we need to add type to the collection
return true;
}
}
return false;
}
/// <summary>
/// Determines whether the type should be handled.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="serializerTypeInfo">The serializer type info.</param>
/// <returns><c>true</c> if the type should be handled; otherwise, <c>false</c>.</returns>
protected virtual bool ShouldTypeBeIgnored(Type type, XmlSerializerTypeInfo serializerTypeInfo)
{
if (type == null)
{
return true;
}
// Never include generic type definitions, otherwise we will get this:
// Error while getting known types for Type 'Catel.Test.Data.PropertyDataManagerFacts+SupportsGenericClasses+GenericClass`1[T]'. The type must not be an open or partial generic class.
if (type.IsGenericTypeDefinitionEx())
{
return true;
}
// Note, although resharper says this isn't possible, it might be
var fullName = type.GetSafeFullName();
if (string.IsNullOrWhiteSpace(fullName))
{
serializerTypeInfo.AddTypeAsHandled(type);
return true;
}
// Ignore non-generic .NET
if (!type.IsGenericTypeEx() && fullName.StartsWith("System."))
{
// Log.Debug("Non-generic .NET system type, can be ignored");
serializerTypeInfo.AddTypeAsHandled(type);
return true;
}
if (type.IsCOMObjectEx())
{
serializerTypeInfo.AddTypeAsHandled(type);
return true;
}
return serializerTypeInfo.ContainsKnownType(type) ||
serializerTypeInfo.IsTypeAlreadyHandled(type) ||
serializerTypeInfo.IsCollectionAlreadyHandled(type);
}
/// <summary>
/// Adds the type to the list of known types.
/// </summary>
/// <param name="type">The type.</param>
public bool AddKnownType(Type type)
{
if (!IsTypeSerializable(type))
{
return false;
}
_knownTypes.Add(type);
if (IsSpecialCollectionType(type))
{
_specialCollectionTypes.Add(type);
if (type.IsGenericTypeEx())
{
_specialGenericCollectionTypes.Add(type);
}
}
return true;
}
/// <summary>
/// Determines whether the type should be handled.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="serializerTypeInfo">The serializer type info.</param>
/// <returns><c>true</c> if the type should be handled; otherwise, <c>false</c>.</returns>
protected virtual bool ShouldTypeBeIgnored(Type type, XmlSerializerTypeInfo serializerTypeInfo)
{
if (type == null)
{
return true;
}
// Note, although resharper says this isn't possible, it might be
if (type.FullName == null)
{
serializerTypeInfo.AddTypeAsHandled(type);
return true;
}
// Ignore non-generic .NET
if (!type.IsGenericTypeEx() && type.GetSafeFullName().StartsWith("System."))
{
// Log.Debug("Non-generic .NET system type, can be ignored");
serializerTypeInfo.AddTypeAsHandled(type);
return true;
}
return serializerTypeInfo.ContainsKnownType(type) || serializerTypeInfo.IsTypeAlreadyHandled(type);
}
/// <summary>
/// Determines whether the specified service type is registered.
/// </summary>
/// <param name="serviceType">The type of the service.</param>
/// <param name="tag">The tag to register the service with. The default value is <c>null</c>.</param>
/// <returns><c>true</c> if the specified service type is registered; otherwise, <c>false</c>.</returns>
/// <remarks>Note that the actual implementation lays in the hands of the IoC technique being used.</remarks>
/// <exception cref="ArgumentNullException">The <paramref name="serviceType"/> is <c>null</c>.</exception>
public bool IsTypeRegistered(Type serviceType, object tag = null)
{
Argument.IsNotNull("serviceType", serviceType);
var serviceInfo = new ServiceInfo(serviceType, tag);
lock (this)
{
if (_registeredInstances.ContainsKey(serviceInfo))
{
return true;
}
if (_registeredTypes.ContainsKey(serviceInfo))
{
return true;
}
// CTL-161, support generic types
if (serviceType.IsGenericTypeEx())
{
var genericArguments = serviceType.GetGenericArgumentsEx().ToList();
var hasRealGenericArguments = (from genericArgument in genericArguments
where !string.IsNullOrEmpty(genericArgument.FullName)
select genericArgument).Any();
if (hasRealGenericArguments)
{
var genericType = serviceType.GetGenericTypeDefinitionEx();
var isOpenGenericTypeRegistered = IsTypeRegistered(genericType, tag);
if (isOpenGenericTypeRegistered)
{
Log.Debug("An open generic type '{0}' is registered, registering new closed generic type '{1}' based on the open registration", genericType.GetSafeFullName(), serviceType.GetSafeFullName());
var registrationInfo = GetRegistrationInfo(genericType, tag);
var finalType = registrationInfo.ImplementingType.MakeGenericType(genericArguments.ToArray());
RegisterType(serviceType, finalType, tag, registrationInfo.RegistrationType);
return true;
}
}
}
// CTL-271 Support generic lists (array specific type)
// TODO: Can register,
// Last resort
var eventArgs = new MissingTypeEventArgs(serviceType);
MissingType.SafeInvoke(this, eventArgs);
if (eventArgs.ImplementingInstance != null)
{
Log.Debug("Late registering type '{0}' to instance of type '{1}' via MissingTypeEventArgs.ImplementingInstance", serviceType.FullName, eventArgs.ImplementingInstance.GetType().FullName);
RegisterInstance(serviceType, eventArgs.ImplementingInstance, eventArgs.Tag, this);
return true;
}
if (eventArgs.ImplementingType != null)
{
Log.Debug("Late registering type '{0}' to type '{1}' via MissingTypeEventArgs.ImplementingType", serviceType.FullName, eventArgs.ImplementingType.FullName);
RegisterType(serviceType, eventArgs.ImplementingType, eventArgs.Tag, eventArgs.RegistrationType, true, this, null);
return true;
}
}
return false;
}
protected static bool IsDataServiceCollection(Type type)
{
while (type != null)
{
if (type.IsGenericTypeEx() && WebUtil.IsDataServiceCollectionType(type.GetGenericTypeDefinition()))
{
return true;
}
type = type.BaseType;
}
return false;
}
private static bool IsConstructedGeneric(Type type, Type genericTypeDefinition)
{
return ((type.IsGenericTypeEx() && (type.GetGenericTypeDefinition() == genericTypeDefinition)) && !type.ContainsGenericParametersEx());
}
internal static bool CanAssignNull(Type type)
{
return (!type.IsValueTypeEx() || (type.IsGenericTypeEx() && (type.GetGenericTypeDefinition() == typeof(Nullable<>))));
}