/// <summary>
/// Reads the JSON representation of the object.
/// </summary>
/// <param name="reader">The <see cref="T:Newtonsoft.Json.JsonReader"/> to read from.</param>
/// <param name="objectType">Type of the object.</param>
/// <param name="options">The calling serializer.</param>
/// <returns>
/// The object value.
/// </returns>
public override FeatureCollection Read(ref Utf8JsonReader reader, Type objectType, JsonSerializerOptions options)
{
reader.AssertToken(JsonTokenType.StartObject);
reader.ReadOrThrow();
var fc = new FeatureCollection();
while (reader.TokenType == JsonTokenType.PropertyName)
{
if (reader.ValueTextEquals("type"))
{
reader.ReadOrThrow();
reader.AssertToken(JsonTokenType.String);
if (!reader.ValueTextEquals(nameof(GeoJsonObjectType.FeatureCollection)))
{
throw new JsonException("must be FeatureCollection");
}
reader.ReadOrThrow();
}
else if (reader.ValueTextEquals("features"))
{
reader.ReadOrThrow();
reader.AssertToken(JsonTokenType.StartArray);
reader.ReadOrThrow();
while (reader.TokenType != JsonTokenType.EndArray)
{
reader.AssertToken(JsonTokenType.StartObject);
fc.Add(JsonSerializer.Deserialize <IFeature>(ref reader, options));
reader.AssertToken(JsonTokenType.EndObject);
reader.ReadOrThrow();
}
reader.ReadOrThrow();
}
else
{
reader.ReadOrThrow();
reader.Skip();
reader.ReadOrThrow();
}
}
return(fc);
}