Newtonsoft.Json.Tests\TestObjects\ConverterPrecedenceClassConverter.cs

#region License

// Copyright (c) 2007 James Newton-King

//

// Permission is hereby granted, free of charge, to any person

// obtaining a copy of this software and associated documentation

// files (the "Software"), to deal in the Software without

// restriction, including without limitation the rights to use,

// copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the

// Software is furnished to do so, subject to the following

// conditions:

//

// The above copyright notice and this permission notice shall be

// included in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

// OTHER DEALINGS IN THE SOFTWARE.

#endregion

using System;

using System.Globalization;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Utilities;

namespace Newtonsoft.Json.Tests.TestObjects

{

  public abstract class ConverterPrecedenceClassConverter : JsonConverter

  {

    public abstract string ConverterType { get; }

    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

    {

      ConverterPrecedenceClass c = (ConverterPrecedenceClass)value;

      JToken j = new JArray(ConverterType, c.TestValue);

      j.WriteTo(writer);

    }

    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

    {

      JToken j = JArray.Load(reader);

      string converter = (string)j[0];

      if (converter != ConverterType)

        throw new Exception(StringUtils.FormatWith("Serialize converter {0} and deserialize converter {1} do not match.", CultureInfo.InvariantCulture, converter, ConverterType));

      string testValue = (string)j[1];

      return new ConverterPrecedenceClass(testValue);

    }

    public override bool CanConvert(Type objectType)

    {

      return (objectType == typeof(ConverterPrecedenceClass));

    }

  }

}