/// <summary>
/// Converts a list of CosmosElements into a memory stream.
/// </summary>
/// <param name="cosmosElement">The cosmos elements</param>
/// <param name="cosmosSerializationOptions">The custom serialization options. This allows custom serialization types like BSON, JSON, or other formats</param>
/// <returns>Returns a memory stream of cosmos elements. By default the memory stream will contain JSON.</returns>
private static MemoryStream ElementToMemoryStream(
CosmosElement cosmosElement,
CosmosSerializationFormatOptions cosmosSerializationOptions = null)
{
IJsonWriter jsonWriter;
if (cosmosSerializationOptions != null)
{
jsonWriter = cosmosSerializationOptions.CreateCustomWriterCallback();
}
else
{
jsonWriter = JsonWriter.Create(JsonSerializationFormat.Text);
}
cosmosElement.WriteTo(jsonWriter);
ReadOnlyMemory <byte> result = jsonWriter.GetResult();
if (!MemoryMarshal.TryGetArray(result, out ArraySegment <byte> resultAsArray))
{
resultAsArray = new ArraySegment <byte>(result.ToArray());
}
return(new MemoryStream(resultAsArray.Array, resultAsArray.Offset, resultAsArray.Count));
}
public static Payload Create(string name, string jsonText)
{
if (jsonText == null)
{
throw new ArgumentNullException(nameof(jsonText));
}
CosmosElement element = CosmosElement.Parse(jsonText);
IJsonWriter jsonBinaryWriter = JsonWriter.Create(JsonSerializationFormat.Binary);
IJsonWriter jsonTextWriter = JsonWriter.Create(JsonSerializationFormat.Text);
element.WriteTo(jsonTextWriter);
element.WriteTo(jsonBinaryWriter);
ReadOnlyMemory <byte> text = jsonTextWriter.GetResult();
ReadOnlyMemory <byte> binary = jsonBinaryWriter.GetResult();
return(new Payload(name, text, binary));
}