private static Func <Action <T, JsonSerializerHandler> > TypeIsDictionaryInterface(Type t)
{
if (t == typeof(IDictionary))
{
return(() => (obj, handler) => SpecialConditions.WriteDictionary((IDictionary)obj, handler));
}
if (t.IsGenericType)
{
Type[] args = t.GetGenericArguments();
if (args.Length != 2)
{
return(null);
}
var genericTypeDefinition = t.GetGenericTypeDefinition();
var keyType = args[0];
var valueType = args[1];
if (genericTypeDefinition == typeof(IDictionary <,>) || genericTypeDefinition == typeof(IReadOnlyDictionary <,>))
{
return(() => IsWrongKeyType(keyType) ?? BuildFactory.Create <T>(SerializerBuildTypeEnum.IDictionaryGeneric));
}
}
return(null);
}
private static Func <Action <T, JsonSerializerHandler> > TypeIsDictionaryType(Type t)
{
if (t.IsInterface)
{
return(null);
}
var intserfaces = t.GetInterfaces();
bool hasIDictionaryGeneric = false;
bool hasIDictionary = false;
Type iDictionaryGenericType = null;
Type keyType = null;
Type valueType = null;
foreach (var item in intserfaces)
{
if (item.IsGenericType)
{
var genericTypeDefinition = item.GetGenericTypeDefinition();
if (genericTypeDefinition == typeof(IDictionary <,>))
{
iDictionaryGenericType = item;
hasIDictionaryGeneric = true;
keyType = item.GetGenericArguments()[0];
valueType = item.GetGenericArguments()[1];
}
}
if (item == typeof(IDictionary))
{
hasIDictionary = true;
}
}
if (hasIDictionaryGeneric)
{
var ctor = t.GetDefaultNoArgCtorOrAppointTypeCtor(iDictionaryGenericType);
if (ctor == null)
{
foreach (var item in t.GetConstructors())
{
if (item.GetParameters().Length == 1)
{
var firstCtor = item.GetParameters()[0];
if (TypeIsDictionary(firstCtor.ParameterType) != null)
{
return(() => IsWrongKeyType(keyType) ?? BuildFactory.Create <T>(SerializerBuildTypeEnum.IDictionaryGeneric));
}
}
}
}
else if (ctor.GetParameters().Length == 0)
{
return(() => IsWrongKeyType(keyType) ?? BuildFactory.Create <T>(SerializerBuildTypeEnum.IDictionaryGeneric));
}
else
{
return(() => IsWrongKeyType(keyType) ?? BuildFactory.Create <T>(SerializerBuildTypeEnum.IDictionaryGeneric));
}
}
if (hasIDictionary)
{
var ctor = t.GetDefaultNoArgCtorOrAppointTypeCtor(typeof(IDictionary));
if (ctor == null)
{
foreach (var item in t.GetConstructors())
{
if (item.GetParameters().Length == 1)
{
var firstCtor = item.GetParameters()[0];
if (TypeIsDictionary(firstCtor.ParameterType) != null)
{
return(() => (obj, handler) => SpecialConditions.WriteDictionary((IDictionary)obj, handler));
}
}
}
}
else if (ctor.GetParameters().Length == 0)
{
return(() => (obj, handler) => SpecialConditions.WriteDictionary((IDictionary)obj, handler));
}
else
{
return(() => (obj, handler) => SpecialConditions.WriteDictionary((IDictionary)obj, handler));
}
}
return(null);
}