Validating result of JsonConvert.DeserializeObject (think "try parse") using JSON.Net

Question

I have incoming messages that I need to try and parse in my own objects structure. SOme of these are well formed JSON obejcts and some are just nonsense.

I use JsonConvert.DeserializeObject<MyObject>(incmoingString); to do this. This however sometimes gives me a exception when the incoming is total garbage. Other times I get a non-complete object structure when the incoming string is kind of OK - and finally it sometimes work.

I've wrapped the conversion in a try/catch and than manually validate that I've gotten the properties I need to the deserialized result.

Is there a better way to do this?

Probably not, unless the 'converter' allows you attach events like the XmlSerializer for unresolved entities/attributes. — leppie
– leppie, Commented Apr 22, 2010 at 11:19

James Newton-King · Accepted Answer · 2010-04-23 03:09:03Z

5

Json.NET supports JSON Schema. You could create a schema with all the required properties marked and validate incoming JSON against it before deserializing.

answered Apr 23, 2010 at 3:09

James Newton-King

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2 Comments

Zoltan Over a year ago

How would you do this?

Jordan Over a year ago

Is there no way to just validate that the schema is valid JSON?

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