public ModelDescription GetOrCreateModelDescription(Type modelType)
{
if (modelType == null)
{
throw new ArgumentNullException("modelType");
}
Type underlyingType = Nullable.GetUnderlyingType(modelType);
if (underlyingType != null)
{
modelType = underlyingType;
}
ModelDescription modelDescription;
string modelName = ModelNameHelper.GetModelName(modelType);
if (GeneratedModels.TryGetValue(modelName, out modelDescription))
{
if (modelType != modelDescription.ModelType)
{
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
"A model description could not be created. Duplicate model name '{0}' was found for types '{1}' and '{2}'. " +
"Use the [ModelName] attribute to change the model name for at least one of the types so that it has a unique name.",
modelName,
modelDescription.ModelType.FullName,
modelType.FullName));
}
return(modelDescription);
}
if (DefaultTypeDocumentation.ContainsKey(modelType))
{
return(GenerateSimpleTypeModelDescription(modelType));
}
if (modelType.IsEnum)
{
return(GenerateEnumTypeModelDescription(modelType));
}
if (modelType.IsGenericType)
{
Type[] genericArguments = modelType.GetGenericArguments();
if (genericArguments.Length == 1)
{
Type enumerableType = typeof(IEnumerable <>).MakeGenericType(genericArguments);
if (enumerableType.IsAssignableFrom(modelType))
{
return(GenerateCollectionModelDescription(modelType, genericArguments[0]));
}
}
if (genericArguments.Length == 2)
{
Type dictionaryType = typeof(IDictionary <,>).MakeGenericType(genericArguments);
if (dictionaryType.IsAssignableFrom(modelType))
{
return(GenerateDictionaryModelDescription(modelType, genericArguments[0], genericArguments[1]));
}
Type keyValuePairType = typeof(KeyValuePair <,>).MakeGenericType(genericArguments);
if (keyValuePairType.IsAssignableFrom(modelType))
{
return(GenerateKeyValuePairModelDescription(modelType, genericArguments[0], genericArguments[1]));
}
}
}
if (modelType.IsArray)
{
Type elementType = modelType.GetElementType();
return(GenerateCollectionModelDescription(modelType, elementType));
}
if (modelType == typeof(NameValueCollection))
{
return(GenerateDictionaryModelDescription(modelType, typeof(string), typeof(string)));
}
if (typeof(IDictionary).IsAssignableFrom(modelType))
{
return(GenerateDictionaryModelDescription(modelType, typeof(object), typeof(object)));
}
if (typeof(IEnumerable).IsAssignableFrom(modelType))
{
return(GenerateCollectionModelDescription(modelType, typeof(object)));
}
return(GenerateComplexTypeModelDescription(modelType));
}
