Newtonsoft.Json\Serialization\JsonSerializerInternalBase.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.Net;

using Newtonsoft.Json.Utilities;

namespace Newtonsoft.Json.Serialization

{

  internal abstract class JsonSerializerInternalBase

  {

    private ErrorContext _currentErrorContext;

    internal JsonSerializer Serializer { get; private set; }

    protected JsonSerializerInternalBase(JsonSerializer serializer)

    {

      ValidationUtils.ArgumentNotNull(serializer, "serializer");

      Serializer = serializer;

    }

    protected ErrorContext GetErrorContext(object currentObject, object member, Exception error)

    {

      if (_currentErrorContext == null)

        _currentErrorContext = new ErrorContext(currentObject, member, error);

      if (_currentErrorContext.Error != error)

        throw new InvalidOperationException("Current error context error is different to requested error.");

      return _currentErrorContext;

    }

    protected void ClearErrorContext()

    {

      if (_currentErrorContext == null)

        throw new InvalidOperationException("Could not clear error context. Error context is already null.");

      _currentErrorContext = null;

    }

    protected bool IsErrorHandled(object currentObject, JsonContract contract, object keyValue, Exception ex)

    {

      ErrorContext errorContext = GetErrorContext(currentObject, keyValue, ex);

      contract.InvokeOnError(currentObject, Serializer.Context, errorContext);

      if (!errorContext.Handled)

        Serializer.OnError(new ErrorEventArgs(currentObject, errorContext));

      return errorContext.Handled;

    }

  }

}