How to configure ServiceStack.Text JsonSerializer property names when deserializing

Question

I'm trying to deserialize JSON data using the ServiceStack.Text library with non-C#-like property name conventions, specifically snake case like the following:

{
    "first_name": "Foo",
    "last_name": "Bar"
}

I want to deserialize this into a POCO:

public class MyDto
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
}

I'm currently just doing this:

var dto = JsonSerializer.DeserializeFromString<MyDto>(dtoData);

but this won't recognize the property names. I've previously overcome this in Newtonsoft.Json using a custom ContractResolver. How should this be done using ServiceStack.Text?

I'd prefer not to decorate my dto class with DataMember attributes as this seems like a concern of the source of the data, not the dto itself, and should therefore be handled by the code performing the deserialization.

Answer 1

Look at JsConfig for all the different configuration and customizations that ServiceStack's JSON and text serializers supports, e.g:

JsConfig.Init(new Config { TextCase = TextCase.SnakeCase });

Should do what you want.