4 thoughts on “Web API and Interface Parameters

  1. hfarouk says:

    Tried to run the code provided on GitHub but it is not working as expected. The Service locator will pick up/resolve an interface to the last registered concrete class not based on the given serialized type(i.e json payload).

    • brettedotnet says:

      hfarouk,

      Sorry you had issues with the code. Could you provide to me your container registrations so I can better understand what went wrong? Are you using named registrations?

      Please let me know and I will do what I can to correct.

      BDN

  2. jmartinzone says:

    Thank you for this article. I looked around for several hours yesterday looking at various solutions to this situation. Though I dd not go full “generic” I did adapt it to cover the cases I needed with a single converter implementation which took the Interface Type and Implementation class:

    public class MyCustomConverter : CustomCreationConverter where C: I , new()

    I then registered an instance of the converter for each interface/implementation pair:
    GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings.Converters.Add(new MyCustomConverter());
    GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings.Converters.Add(new MyCustomConverter());
    GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings.Converters.Add(new MyCustomConverter());

    Thanks for the guidance. I’d still be working on this today without it!

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