RESTful exception handling

Conventions.cs

public class Conventions : FubuRegistry
{
    public Conventions()
    {
        // ...
        Policies.ConditionallyWrapBehaviorChainsWith<HandledExceptionBehavior>(x => x.BehaviorChain.Last() is JsonSerializer);
        // ...
    }
}

EntityValidationException.cs

public class EntityValidationException : Exception, IValidationException {
    public EntityValidationException(string propertyName, string validationError) {
        Name = propertyName;
        Details = validationError;
    }
    public string Name { get; private set; }
    public string Details { get; private set; }
    // ...
}

HandledExceptionBehavior.cs

public class HandledExceptionBehavior : IActionBehavior
{
    private readonly IActionBehavior _innerBehavior;
    private readonly IOutputWriter _outputWriter;

    public ExceptionHandlerBehavior(
        IActionBehavior innerBehavior, 
        IOutputWriter outputWriter)
    {
        _innerBehavior = innerBehavior;
        _outputWriter = outputWriter;
    }

    public void Invoke()
    {
        try
        {
            _innerBehavior.Invoke();
        }
        catch (Exception e)
        {
            if (e is IValidationException) SetStatus("304.1", ((IValidationException)e).Details);
            else if (e is IAuthorizationException) SetStatus("302", "You are not authorized to do this.");
            // ...
            else throw;
        }
    }

    private void SetStatus(string code, string message)
    {
        _outputWriter.WriteResponseCode(code);
        _outputWriter.WriteResponseMessage(message);
    }

    public void InvokePartial()
    {
        _innerBehavior.InvokePartial();
    }
}

IValidationException.cs

public interface IValidationException {
    public string Name { get; }
    public string Details { get; }
}