public override void Write(Utf8JsonWriter writer, FeatureCollection value, JsonSerializerOptions options)
{
writer.WriteStartObject();
writer.WriteString("type", nameof(GeoJsonObjectType.FeatureCollection));
StjGeometryConverter.WriteBBox(writer, value.BoundingBox, options, null);
writer.WriteStartArray("features");
foreach (var feature in value)
{
JsonSerializer.Serialize(writer, feature, options);
}
writer.WriteEndArray();
writer.WriteEndObject();
}
/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="T:Newtonsoft.Json.JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="options">The calling serializer.</param>
public override void Write(Utf8JsonWriter writer, IFeature value, JsonSerializerOptions options)
{
if (value == null)
{
writer.WriteNullValue();
return;
}
writer.WriteStartObject();
// type
writer.WriteString("type", nameof(GeoJsonObjectType.Feature));
// Add the id here if present.
if (value.GetOptionalId(_idPropertyName) is object id)
{
writer.WritePropertyName("id");
JsonSerializer.Serialize(writer, id, id.GetType(), options);
}
// bbox (optional)
var bbox = value.BoundingBox;
StjGeometryConverter.WriteBBox(writer, bbox, options, value.Geometry);
// geometry
if (value.Geometry != null || !options.IgnoreNullValues)
{
writer.WritePropertyName("geometry");
JsonSerializer.Serialize(writer, value.Geometry, options);
}
// properties
if (value.Attributes != null || !options.IgnoreNullValues)
{
writer.WritePropertyName("properties");
JsonSerializer.Serialize(writer, value.Attributes, options);
}
writer.WriteEndObject();
}
