internal static DiscriminatorValues GetDiscriminatorValues <T>()
{
var discriminatorAttribute = AttributesManager.GetJsonDiscriminatorAttribute(typeof(T));
var discriminatorSettings = discriminatorAttribute == null ? DefaultDiscriminatorSettings : Mapper.Map(discriminatorAttribute);
var typeSettings = new DiscriminatorValues(discriminatorSettings.DiscriminatorFieldName);
typeSettings.AddJsonKnown <T>();
var allTypes = GetAllInheritance <T>();
typeSettings.AddJsonKnownThis(allTypes);
if (discriminatorSettings.UseClassNameAsDiscriminator)
{
typeSettings.AddAutoDiscriminators(allTypes);
}
else if (!allTypes.All(typeSettings.Contains))
{
var missingTypes = allTypes.Where(x => !typeSettings.Contains(x)).Select(x => x.Name);
throw new JsonKnownTypesException($"Not all classes registered for { nameof(T) } type hierarchy." +
"Enable UseClassNameAsDiscriminator or add JsonKnown attributes for all classes." +
$"Missing classes: { string.Join(", ", missingTypes) }");
}
return(typeSettings);
}
public static void AddJsonKnown <T>(this DiscriminatorValues discriminatorValues)
{
var attrs = AttributesManager.GetJsonKnownAttributes(typeof(T));
foreach (var attr in attrs)
{
var discriminator = attr.Discriminator ?? attr.Type.Name;
discriminatorValues.AddType(attr.Type, discriminator);
}
}
public static void AddAutoDiscriminators(this DiscriminatorValues discriminatorValues, Type[] inherited)
{
foreach (var type in inherited)
{
if (discriminatorValues.Contains(type))
{
continue;
}
discriminatorValues.AddType(type, type.Name);
}
}
public static void AddJsonKnownThis(this DiscriminatorValues discriminatorValues, Type[] inherited)
{
foreach (var type in inherited)
{
var attr = AttributesManager.GetJsonKnownThisAttribute(type);
if (attr != null)
{
var discriminator = attr.Discriminator ?? type.Name;
discriminatorValues.AddType(type, discriminator);
}
}
}
internal static void AddJsonKnown <T>(this DiscriminatorValues discriminatorValues)
{
var attrs = AttributesManager.GetJsonKnownAttributes(typeof(T));
foreach (var attr in attrs)
{
var discriminator = attr.Discriminator ?? attr.Type.Name;
discriminatorValues.AddType(attr.Type, discriminator);
}
var fallbackTypeAttribute = AttributesManager.GetJsonKnownTypeFallbackAttribute(typeof(T));
if (fallbackTypeAttribute != null)
{
discriminatorValues.AddFallbackType(fallbackTypeAttribute.FallbackType);
}
}
internal static DiscriminatorValues GetDiscriminatorValues <T>()
{
var discriminatorAttribute = AttributesManager.GetJsonDiscriminatorAttribute(typeof(T));
var discriminatorSettings = discriminatorAttribute == null
? DefaultDiscriminatorSettings
: Mapper.Map(discriminatorAttribute);
var typeSettings = new DiscriminatorValues(discriminatorSettings.DiscriminatorFieldName);
typeSettings.AddJsonKnown <T>();
var allTypes = GetFilteredDerived <T>();
typeSettings.AddJsonKnownThis(allTypes);
if (discriminatorSettings.UseClassNameAsDiscriminator)
{
typeSettings.AddAutoDiscriminators(allTypes);
}
return(typeSettings);
}
