JavaScriptDateTimeConverter
Converts a DateTime to and from a JavaScript date constructor (e.g. new Date(52231943)).
using Newtonsoft.Json.Utilities;
using System;
using System.Globalization;
namespace Newtonsoft.Json.Converters
{
public class JavaScriptDateTimeConverter : DateTimeConverterBase
{
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
if (!(value is DateTime))
throw new JsonSerializationException("Expected date object value.");
DateTime dateTime = ((DateTime)value).ToUniversalTime();
long value2 = DateTimeUtils.ConvertDateTimeToJavaScriptTicks(dateTime);
writer.WriteStartConstructor("Date");
writer.WriteValue(value2);
writer.WriteEndConstructor();
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (ReflectionUtils.IsNullableType(objectType))
Nullable.GetUnderlyingType(objectType);
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));
reader.Read();
if (reader.TokenType != JsonToken.Integer)
throw JsonSerializationException.Create(reader, "Unexpected token parsing date. Expected Integer, got {0}.".FormatWith(CultureInfo.InvariantCulture, reader.TokenType));
long javaScriptTicks = (long)reader.Value;
DateTime dateTime = DateTimeUtils.ConvertJavaScriptTicksToDateTime(javaScriptTicks);
reader.Read();
if (reader.TokenType != JsonToken.EndConstructor)
throw JsonSerializationException.Create(reader, "Unexpected token parsing date. Expected EndConstructor, got {0}.".FormatWith(CultureInfo.InvariantCulture, reader.TokenType));
return dateTime;
}
}
}