public override Data.Card Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var secondReader = reader;
if (reader.TokenType != JsonTokenType.StartObject)
{
throw new JsonException("A Command object should start here");
}
while (reader.TokenType != JsonTokenType.EndObject)
{
reader.Read(); // Going into the next field
if (reader.TokenType != JsonTokenType.PropertyName)
{
throw new JsonException("A property should start here");
}
var propName = reader.GetString(); // Reading the property name
reader.Read(); // Going to the property value
if (propName != "type")
{
continue; // We are searching for the property called "type"
}
if (reader.TokenType != JsonTokenType.String)
{
throw new JsonException("A \"type\" should be a string value");
}
var value = reader.GetString();
if (value == Data.TextCard.TYPE)
{
Data.TextCard res = JsonSerializer.Deserialize <Data.TextCard>(ref secondReader, options);
reader = secondReader;
return(res);
}
else if (value == Data.ImageCard.TYPE)
{
Data.ImageCard res = JsonSerializer.Deserialize <Data.ImageCard>(ref secondReader, options);
reader = secondReader;
return(res);
}
else
{
throw new JsonException("A \"type\" should be either \"" + Data.TextCard.TYPE + "\" or \"" + Data.ImageCard.TYPE + "\"");
}
}
throw new JsonException("JSON parser can't find the \"type\" property");
}
public UploadImageCardCommand(Data.ImageCard value) : base(TYPE)
{
this.Value = value;
}