/// <summary>
/// Reads the JSON representation of the object.
/// </summary>
/// <param name="reader">The <see cref="JsonReader"/> to read from.</param>
/// <param name="objectType">Type of the object.</param>
/// <param name="existingValue">The existing property value of the JSON that is being converted.</param>
/// <param name="serializer">The calling serializer.</param>
/// <returns>The object value.</returns>
public override object?ReadJson(JsonReader reader, Type objectType, object?existingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
if (!ReflectionUtils.IsNullable(objectType))
{
throw JsonSerializationException.Create(reader, "Cannot convert null value to {0}.".FormatWith(CultureInfo.InvariantCulture, objectType));
}
return(null);
}
if (reader.TokenType != JsonToken.StartConstructor || !string.Equals(reader.Value?.ToString(), "Date", StringComparison.Ordinal))
{
throw JsonSerializationException.Create(reader, "Unexpected token or value when parsing date. Token: {0}, Value: {1}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType, reader.Value));
}
if (!JavaScriptUtils.TryGetDateFromConstructorJson(reader, out DateTime d, out string?errorMessage))
{
throw JsonSerializationException.Create(reader, errorMessage);
}
#if HAVE_DATE_TIME_OFFSET
Type t = (ReflectionUtils.IsNullableType(objectType))
? Nullable.GetUnderlyingType(objectType)
: objectType;
if (t == typeof(DateTimeOffset))
{
return(new DateTimeOffset(d));
}
#endif
return(d);
}
public override object ReadJson(JsonReader reader, Type objectType, [Nullable(2)] object existingValue, JsonSerializer serializer)
{
if (reader.TokenType != JsonToken.Null)
{
if (reader.TokenType == JsonToken.StartConstructor)
{
object value = reader.Value;
if (string.Equals((value != null) ? value.ToString() : null, "Date", StringComparison.Ordinal))
{
DateTime dateTime;
string message;
if (!JavaScriptUtils.TryGetDateFromConstructorJson(reader, out dateTime, out message))
{
throw JsonSerializationException.Create(reader, message);
}
if ((ReflectionUtils.IsNullableType(objectType) ? Nullable.GetUnderlyingType(objectType) : objectType) == typeof(DateTimeOffset))
{
return new DateTimeOffset(dateTime);
}
return dateTime;
}
}
throw JsonSerializationException.Create(reader, "Unexpected token or value when parsing date. Token: {0}, Value: {1}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType, reader.Value));
}
if (!ReflectionUtils.IsNullable(objectType))
{
throw JsonSerializationException.Create(reader, "Cannot convert null value to {0}.".FormatWith(CultureInfo.InvariantCulture, objectType));
}
return null;
}
