public override Dictionary <TKey, TValue> Read(
ref Utf8JsonReader reader,
Type typeToConvert,
JsonSerializerOptions options)
{
if (reader.TokenType != JsonTokenType.StartObject)
{
throw new JsonException();
}
var dictionary = new Dictionary <TKey, TValue>();
while (reader.Read())
{
if (reader.TokenType == JsonTokenType.EndObject)
{
return(dictionary);
}
// Get the key.
if (reader.TokenType != JsonTokenType.PropertyName)
{
throw new JsonException();
}
var keyValue = reader.GetString();
if (keyValue is null)
{
throw new JsonException("Key was null.");
}
// TODO: This is all very basic
TKey key;
if (typeof(TKey) == typeof(string))
{
key = (TKey)Activator.CreateInstance(typeof(string), keyValue.ToCharArray());
}
else if (typeof(TKey) == typeof(IndexName))
{
key = IndexName.Parse(keyValue) as TKey;
}
else if (typeof(TKey) == typeof(Field))
{
key = new Field(keyValue) as TKey;
}
else if (typeof(TKey) == typeof(TaskId))
{
key = new TaskId(keyValue) as TKey;
}
else if (typeof(TKey) == typeof(PropertyName))
{
key = new PropertyName(keyValue) as TKey;
}
else
{
throw new JsonException("Unsupported dictionary key");
//key = (TKey)Activator.CreateInstance(typeof(TKey),
// BindingFlags.Instance,
// null,
// new object[] { propertyName },
// null);
}
// Get the value.
TValue value;
if (_valueConverter != null)
{
reader.Read();
value = _valueConverter.Read(ref reader, _valueType, options);
}
else
{
value = JsonSerializer.Deserialize <TValue>(ref reader, options);
}
// Add to dictionary.
dictionary.Add(key, value);
}
return(dictionary);
}
