private static bool IsStandardMessage(Type type, [NotNullWhen(true)] out MessageDescriptor?messageDescriptor)
{
if (!typeof(IMessage).IsAssignableFrom(type))
{
messageDescriptor = null;
return(false);
}
messageDescriptor = JsonConverterHelper.GetMessageDescriptor(type);
if (messageDescriptor == null)
{
return(false);
}
// Wrappers and well known types are handled by converters.
if (ServiceDescriptorHelpers.IsWrapperType(messageDescriptor))
{
return(false);
}
if (JsonConverterHelper.WellKnownTypeNames.ContainsKey(messageDescriptor.FullName))
{
return(false);
}
return(true);
}
public override JsonConverter CreateConverter(
Type typeToConvert, JsonSerializerOptions options)
{
var descriptor = JsonConverterHelper.GetMessageDescriptor(typeToConvert) !;
var converterType = JsonConverterHelper.WellKnownTypeNames[descriptor.FullName];
var converter = (JsonConverter)Activator.CreateInstance(
converterType.MakeGenericType(new Type[] { typeToConvert }),
BindingFlags.Instance | BindingFlags.Public,
binder: null,
args: new object[] { _context },
culture: null) !;
return(converter);
}
public override bool CanConvert(Type typeToConvert)
{
if (!typeof(IMessage).IsAssignableFrom(typeToConvert))
{
return(false);
}
var descriptor = JsonConverterHelper.GetMessageDescriptor(typeToConvert);
if (descriptor == null)
{
return(false);
}
return(ServiceDescriptorHelpers.IsWrapperType(descriptor));
}
public override bool CanConvert(Type typeToConvert)
{
if (!typeof(IMessage).IsAssignableFrom(typeToConvert))
{
return(false);
}
var descriptor = JsonConverterHelper.GetMessageDescriptor(typeToConvert);
if (descriptor == null)
{
return(false);
}
return(JsonConverterHelper.WellKnownTypeNames.ContainsKey(descriptor.FullName));
}
private static EnumDescriptor?ResolveEnumDescriptor(Type typeToConvert)
{
var containingType = typeToConvert?.DeclaringType?.DeclaringType;
if (containingType != null)
{
var messageDescriptor = JsonConverterHelper.GetMessageDescriptor(containingType);
if (messageDescriptor != null)
{
for (var i = 0; i < messageDescriptor.EnumTypes.Count; i++)
{
if (messageDescriptor.EnumTypes[i].ClrType == typeToConvert)
{
return(messageDescriptor.EnumTypes[i]);
}
}
}
}
return(null);
}
