NinjectResolver & NinjectScope for ASP.NET Web API

NinjectResolver.cs

  public class NinjectResolver : NinjectScope, IDependencyResolver
  {
    private readonly IKernel _kernel;

    public NinjectResolver(IKernel kernel) : base(kernel)
    {
      _kernel = kernel;
    }

    public IDependencyScope BeginScope()
    {
      return this;
    }

    public override void Dispose()
    {
      _kernel.Dispose();
    }
  }

  public class NinjectScope : IDependencyScope
  {
    private readonly IResolutionRoot _resolutionRoot;

    public NinjectScope(IResolutionRoot resolutionRoot)
    {
      _resolutionRoot = resolutionRoot;
    }

    public virtual void Dispose()
    {
      // Don't dispose the kernel in a dependency scope
    }

    public object GetService(Type serviceType)
    {
      IRequest request = _resolutionRoot.CreateRequest(serviceType, null, new Parameter[0], true, true);
      return _resolutionRoot.Resolve(request).SingleOrDefault();
    }

    public IEnumerable<object> GetServices(Type serviceType)
    {
      IRequest request = _resolutionRoot.CreateRequest(serviceType, null, new Parameter[0], true, true);
      return _resolutionRoot.Resolve(request).ToList();
    }
  }