/// <summary> /// Writes the JSON representation of the object. /// </summary> /// <param name="writer">The <see cref="JsonWriter"/> to write to.</param> /// <param name="value">The value.</param> /// <param name="serializer">The calling serializer.</param> public abstract void WriteJson(JsonWriter writer, object value, JsonSerializer serializer);
internal static void WriteValue(JsonWriter writer, PrimitiveTypeCode typeCode, object value)
{
switch (typeCode)
{
case PrimitiveTypeCode.Char:
writer.WriteValue((char)value);
break;
case PrimitiveTypeCode.CharNullable:
writer.WriteValue((value == null) ? (char?)null : (char)value);
break;
case PrimitiveTypeCode.Boolean:
writer.WriteValue((bool)value);
break;
case PrimitiveTypeCode.BooleanNullable:
writer.WriteValue((value == null) ? (bool?)null : (bool)value);
break;
case PrimitiveTypeCode.SByte:
writer.WriteValue((sbyte)value);
break;
case PrimitiveTypeCode.SByteNullable:
writer.WriteValue((value == null) ? (sbyte?)null : (sbyte)value);
break;
case PrimitiveTypeCode.Int16:
writer.WriteValue((short)value);
break;
case PrimitiveTypeCode.Int16Nullable:
writer.WriteValue((value == null) ? (short?)null : (short)value);
break;
case PrimitiveTypeCode.UInt16:
writer.WriteValue((ushort)value);
break;
case PrimitiveTypeCode.UInt16Nullable:
writer.WriteValue((value == null) ? (ushort?)null : (ushort)value);
break;
case PrimitiveTypeCode.Int32:
writer.WriteValue((int)value);
break;
case PrimitiveTypeCode.Int32Nullable:
writer.WriteValue((value == null) ? (int?)null : (int)value);
break;
case PrimitiveTypeCode.Byte:
writer.WriteValue((byte)value);
break;
case PrimitiveTypeCode.ByteNullable:
writer.WriteValue((value == null) ? (byte?)null : (byte)value);
break;
case PrimitiveTypeCode.UInt32:
writer.WriteValue((uint)value);
break;
case PrimitiveTypeCode.UInt32Nullable:
writer.WriteValue((value == null) ? (uint?)null : (uint)value);
break;
case PrimitiveTypeCode.Int64:
writer.WriteValue((long)value);
break;
case PrimitiveTypeCode.Int64Nullable:
writer.WriteValue((value == null) ? (long?)null : (long)value);
break;
case PrimitiveTypeCode.UInt64:
writer.WriteValue((ulong)value);
break;
case PrimitiveTypeCode.UInt64Nullable:
writer.WriteValue((value == null) ? (ulong?)null : (ulong)value);
break;
case PrimitiveTypeCode.Single:
writer.WriteValue((float)value);
break;
case PrimitiveTypeCode.SingleNullable:
writer.WriteValue((value == null) ? (float?)null : (float)value);
break;
case PrimitiveTypeCode.Double:
writer.WriteValue((double)value);
break;
case PrimitiveTypeCode.DoubleNullable:
writer.WriteValue((value == null) ? (double?)null : (double)value);
break;
case PrimitiveTypeCode.DateTime:
writer.WriteValue((DateTime)value);
break;
case PrimitiveTypeCode.DateTimeNullable:
writer.WriteValue((value == null) ? (DateTime?)null : (DateTime)value);
break;
#if !NET20
case PrimitiveTypeCode.DateTimeOffset:
writer.WriteValue((DateTimeOffset)value);
break;
case PrimitiveTypeCode.DateTimeOffsetNullable:
writer.WriteValue((value == null) ? (DateTimeOffset?)null : (DateTimeOffset)value);
break;
#endif
case PrimitiveTypeCode.Decimal:
writer.WriteValue((decimal)value);
break;
case PrimitiveTypeCode.DecimalNullable:
writer.WriteValue((value == null) ? (decimal?)null : (decimal)value);
break;
case PrimitiveTypeCode.Guid:
writer.WriteValue((Guid)value);
break;
case PrimitiveTypeCode.GuidNullable:
writer.WriteValue((value == null) ? (Guid?)null : (Guid)value);
break;
case PrimitiveTypeCode.TimeSpan:
writer.WriteValue((TimeSpan)value);
break;
case PrimitiveTypeCode.TimeSpanNullable:
writer.WriteValue((value == null) ? (TimeSpan?)null : (TimeSpan)value);
break;
#if !(PORTABLE || PORTABLE40 || NET35 || NET20)
case PrimitiveTypeCode.BigInteger:
// this will call to WriteValue(object)
writer.WriteValue((BigInteger)value);
break;
case PrimitiveTypeCode.BigIntegerNullable:
// this will call to WriteValue(object)
writer.WriteValue((value == null) ? (BigInteger?)null : (BigInteger)value);
break;
#endif
case PrimitiveTypeCode.Uri:
writer.WriteValue((Uri)value);
break;
case PrimitiveTypeCode.String:
writer.WriteValue((string)value);
break;
case PrimitiveTypeCode.Bytes:
writer.WriteValue((byte[])value);
break;
#if !(PORTABLE || NETFX_CORE)
case PrimitiveTypeCode.DBNull:
writer.WriteNull();
break;
#endif
default:
#if !(PORTABLE || NETFX_CORE)
if (value is IConvertible)
{
// the value is a non-standard IConvertible
// convert to the underlying value and retry
IConvertible convertable = (IConvertible)value;
TypeInformation typeInformation = ConvertUtils.GetTypeInformation(convertable);
// if convertable has an underlying typecode of Object then attempt to convert it to a string
PrimitiveTypeCode resolvedTypeCode = (typeInformation.TypeCode == PrimitiveTypeCode.Object) ? PrimitiveTypeCode.String : typeInformation.TypeCode;
Type resolvedType = (typeInformation.TypeCode == PrimitiveTypeCode.Object) ? typeof(string) : typeInformation.Type;
object convertedValue = convertable.ToType(resolvedType, CultureInfo.InvariantCulture);
WriteValue(writer, resolvedTypeCode, convertedValue);
break;
}
else
#endif
{
throw CreateUnsupportedTypeException(writer, value);
}
}
}
private static JsonWriterException CreateUnsupportedTypeException(JsonWriter writer, object value)
{
return JsonWriterException.Create(writer, "Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()), null);
}
internal static JsonWriterException Create(JsonWriter writer, string message, Exception ex)
{
return Create(writer.ContainerPath, message, ex);
}