public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (reader.TokenType != JsonToken.Null)
{
JObject jObject = JObject.Load(reader);
object result;
if (objectType == typeof(Message))
{
JToken token = jObject[nameof(MessageType)];
var messageType = (MessageType)Enum.Parse(typeof(MessageType), token.ToString());
switch (messageType)
{
case MessageType.Progress:
result = new ProgressMessage();
break;
case MessageType.Error:
result = new ErrorMessage();
break;
case MessageType.Result:
result = new StatisticsMessage();
break;
default:
throw new NotImplementedException($"{token} message type is not supported");
}
}
else if (objectType == typeof(LanguageStatistics))
{
JToken token = jObject[nameof(Language)];
Language language = LanguageUtils.ParseLanguages(token.ToString()).FirstOrDefault();
if (language == Language.CSharp)
{
result = new CSharpStatistics();
}
else if (language == Language.Java)
{
result = new JavaStatistics();
}
else if (language == Language.Php)
{
result = new PhpStatistics();
}
else
{
throw new NotImplementedException($"{token} language is not supported");
}
}
else
{
throw new FormatException("Invalid JSON");
}
serializer.Populate(jObject.CreateReader(), result);
return(result);
}
return(null);
}
public override Language ReadJson(JsonReader reader, Type objectType, Language existingValue, bool hasExistingValue, JsonSerializer serializer)
{
return(LanguageUtils.ParseLanguages((string)reader.Value).FirstOrDefault() ?? Uncertain.Language);
}