JsonFormatterConverter
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Utilities;
using System;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
namespace Newtonsoft.Json.Serialization
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
internal class JsonFormatterConverter : IFormatterConverter
{
private readonly JsonSerializerInternalReader _reader;
private readonly JsonISerializableContract _contract;
[System.Runtime.CompilerServices.Nullable(2)]
private readonly JsonProperty _member;
public JsonFormatterConverter(JsonSerializerInternalReader reader, JsonISerializableContract contract, [System.Runtime.CompilerServices.Nullable(2)] JsonProperty member)
{
ValidationUtils.ArgumentNotNull(reader, "reader");
ValidationUtils.ArgumentNotNull(contract, "contract");
_reader = reader;
_contract = contract;
_member = member;
}
private T GetTokenValue<[System.Runtime.CompilerServices.Nullable(2)] T>(object value)
{
ValidationUtils.ArgumentNotNull(value, "value");
return (T)System.Convert.ChangeType(((JValue)value).Value, typeof(T), CultureInfo.InvariantCulture);
}
public object Convert(object value, Type type)
{
ValidationUtils.ArgumentNotNull(value, "value");
JToken jToken = value as JToken;
if (jToken == null)
throw new ArgumentException("Value is not a JToken.", "value");
return _reader.CreateISerializableItem(jToken, type, _contract, _member);
}
public object Convert(object value, TypeCode typeCode)
{
ValidationUtils.ArgumentNotNull(value, "value");
JValue jValue = value as JValue;
return System.Convert.ChangeType((jValue != null) ? jValue.Value : value, typeCode, CultureInfo.InvariantCulture);
}
public bool ToBoolean(object value)
{
return GetTokenValue<bool>(value);
}
public byte ToByte(object value)
{
return GetTokenValue<byte>(value);
}
public char ToChar(object value)
{
return GetTokenValue<char>(value);
}
public DateTime ToDateTime(object value)
{
return GetTokenValue<DateTime>(value);
}
public decimal ToDecimal(object value)
{
return GetTokenValue<decimal>(value);
}
public double ToDouble(object value)
{
return GetTokenValue<double>(value);
}
public short ToInt16(object value)
{
return GetTokenValue<short>(value);
}
public int ToInt32(object value)
{
return GetTokenValue<int>(value);
}
public long ToInt64(object value)
{
return GetTokenValue<long>(value);
}
public sbyte ToSByte(object value)
{
return GetTokenValue<sbyte>(value);
}
public float ToSingle(object value)
{
return GetTokenValue<float>(value);
}
public string ToString(object value)
{
return GetTokenValue<string>(value);
}
public ushort ToUInt16(object value)
{
return GetTokenValue<ushort>(value);
}
public uint ToUInt32(object value)
{
return GetTokenValue<uint>(value);
}
public ulong ToUInt64(object value)
{
return GetTokenValue<ulong>(value);
}
}
}