Make the json options protected for custom serializers to have access…

… to it.

Libraries/src/Amazon.Lambda.Serialization.SystemTextJson/DefaultLambdaJsonSerializer.cs

@@ -20,25 +20,31 @@ namespace Amazon.Lambda.Serialization.SystemTextJson
  public class DefaultLambdaJsonSerializer : ILambdaSerializer
  {
  private const string DEBUG_ENVIRONMENT_VARIABLE_NAME = "LAMBDA_NET_SERIALIZER_DEBUG";
- private readonly JsonSerializerOptions _options;
  private readonly bool _debug;
+
+ /// <summary>
+ /// The options used to serialize JSON object.
+ /// </summary>
+ protected JsonSerializerOptions SerializerOptions { get; }
 
  /// <summary>
  /// Constructs instance of serializer.
  /// </summary> 
  public DefaultLambdaJsonSerializer()
  {
- _options = new JsonSerializerOptions()
+ SerializerOptions = new JsonSerializerOptions()
  {
  IgnoreNullValues = true,
  PropertyNameCaseInsensitive = true,
- PropertyNamingPolicy = new AwsNamingPolicy()
+ PropertyNamingPolicy = new AwsNamingPolicy(),
+ Converters =
+ {
+ new DateTimeConverter(),
+ new MemoryStreamConverter(),
+ new ConstantClassConverter()
+ }
  };
 
- _options.Converters.Add(new DateTimeConverter());
- _options.Converters.Add(new MemoryStreamConverter());
- _options.Converters.Add(new ConstantClassConverter());
-
  if (string.Equals(Environment.GetEnvironmentVariable(DEBUG_ENVIRONMENT_VARIABLE_NAME), "true", StringComparison.OrdinalIgnoreCase))
  {
  this._debug = true;
@@ -53,7 +59,7 @@ public DefaultLambdaJsonSerializer()
  public DefaultLambdaJsonSerializer(Action<JsonSerializerOptions> customizer)
  : this()
  {
- customizer?.Invoke(this._options);
+ customizer?.Invoke(this.SerializerOptions);
  }
 
  /// <summary>
@@ -71,7 +77,7 @@ public void Serialize<T>(T response, Stream responseStream)
  using (var debugWriter = new StringWriter())
  using (var utf8Writer = new Utf8JsonWriter(responseStream))
  {
- JsonSerializer.Serialize(utf8Writer, response, _options);
+ JsonSerializer.Serialize(utf8Writer, response, SerializerOptions);
 
  var jsonDocument = debugWriter.ToString();
  Console.WriteLine($"Lambda Serialize {response.GetType().FullName}: {jsonDocument}");
@@ -85,7 +91,7 @@ public void Serialize<T>(T response, Stream responseStream)
  {
  using (var writer = new Utf8JsonWriter(responseStream))
  {
- JsonSerializer.Serialize(writer, response, _options);
+ JsonSerializer.Serialize(writer, response, SerializerOptions);
  }
  }
  }
@@ -129,7 +135,7 @@ public T Deserialize<T>(Stream requestStream)
  }
  }
 
- return JsonSerializer.Deserialize<T>(utf8Json, _options);
+ return JsonSerializer.Deserialize<T>(utf8Json, SerializerOptions);
  }
  catch (Exception e)
  {