Access the default JSON.NET serializer in ASP.NET Web API

Question

I have a ASP.NET web API project and since it does not support having 2 body parameters, I use a JObject parameter and then extract the actual parameters from it. Like this.

Public bool mymethod(JObject data){
   myclassA a = data["a"].toObject<myclassA>();
   myclassA b = data["b"].toObject<myclassB>();
}

But the 2 class types implement ISerializable and I need the JSON.NET to ignore it. I have set up the default JSON.NET serializer to do that and it works fine when serialization is done automatically.

But I need to get a reference to the built in JSON.NET serializer so that I could use it like this in the above code.

myclassA b = data["b"].toObject<myclassB>(defaultSerializer);

Currently I create a new instance of the JSON.NET serializer and use it. But how can I get a reference to the default built in serializer in the asp.net WEB API ?

Also I cannot change anything in class types as this is sort of a legacy app that I'm converting to web api. Thanks.

Youssef Moussaoui · Accepted Answer · 2013-03-13 20:34:46Z

11

Try this:

JsonSerializer serializer = JsonSerializer.Create(Configuration.Formatters.JsonFormatter.SerializerSettings);

That should give you the same serializer Web API uses.

answered Mar 13, 2013 at 20:34

Youssef Moussaoui

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6 Comments

Amila Over a year ago

Thanks, actually I'm using a slight variation of this. But this still calls JsonSerializer.Create() which creates a new instance of the serializer. I'm thinking if I could get reference to the serializer that has been already instantiated by the web api itself.

Youssef Moussaoui Over a year ago

Web API creates a new serializer for each request. So that doesn't really mean anything. Json Serializers are very lightweight objects.

Dejan Over a year ago

I had to use GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings.

granadaCoder Over a year ago

Thanks Dejan. Or here's the whole enchilada. System.Web.Http.GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings

granadaCoder Over a year ago

This kept from from having to [DataContract] and [DataMember] attribute many items. Instead of using "Newtonsoft.Json.JsonConvert.SerializeObject", using this kept the "backing field" style. My code in the next comment:

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