/WCFWebApi/src/Microsoft.ApplicationServer.Http/Microsoft/ApplicationServer/Http/Description/HttpMemoryBehavior.cs

// <copyright>

//   Copyright (c) Microsoft Corporation.  All rights reserved.

// </copyright>



namespace Microsoft.ApplicationServer.Http.Description

{

    using System;

    using System.ServiceModel;

    using System.ServiceModel.Channels;

    using System.ServiceModel.Description;

    using System.ServiceModel.Dispatcher;

    using Microsoft.ApplicationServer.Http;

    using Microsoft.Server.Common;



    /// <summary>

    /// Class that provides <see cref="IEndpointBehavior"/> for the <see cref="HttpMemoryBinding"/> binding.

    /// </summary>

    internal class HttpMemoryBehavior : IEndpointBehavior

    {

        private static readonly Type httpMemoryBehaviorType = typeof(HttpMemoryBehavior);



        /// <summary>

        /// Passes data at runtime to bindings to support custom behavior.

        /// </summary>

        /// <param name="endpoint">The endpoint to modify.</param>

        /// <param name="bindingParameters">The objects that binding elements require to support the behavior.</param>

        public void AddBindingParameters(ServiceEndpoint endpoint, BindingParameterCollection bindingParameters)

        {

            if (endpoint == null)

            {

                throw Fx.Exception.ArgumentNull("endpoint");

            }



            if (bindingParameters == null)

            {

                throw Fx.Exception.ArgumentNull("bindingParameters");

            }

        }



        /// <summary>

        /// Implements a modification or extension of the client across an endpoint.

        /// </summary>

        /// <param name="endpoint">The endpoint that is to be customized.</param>

        /// <param name="clientRuntime">The client runtime to be customized.</param>

        public void ApplyClientBehavior(ServiceEndpoint endpoint, ClientRuntime clientRuntime)

        {

            throw Fx.Exception.AsError(

                new NotSupportedException(SR.ApplyClientBehaviorNotSupportedByBehavior(httpMemoryBehaviorType.Name)));

        }



        /// <summary>

        /// Implements a modification or extension of the service across an endpoint.

        /// </summary>

        /// <param name="endpoint">The endpoint that exposes the contract.</param>

        /// <param name="endpointDispatcher">The endpoint dispatcher to be modified or extended.</param>

        public void ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher)

        {

            if (endpoint == null)

            {

                throw new ArgumentNullException("endpoint");

            }



            if (endpointDispatcher == null)

            {

                throw new ArgumentNullException("endpointDispatcher");

            }



            foreach (OperationDescription operationDescription in endpoint.Contract.Operations)

            {

                OperationBehaviorAttribute operationBehavior = operationDescription.Behaviors.Find<OperationBehaviorAttribute>();

                if (operationBehavior == null)

                {

                    operationDescription.Behaviors.Add(new OperationBehaviorAttribute { AutoDisposeParameters = false });

                }

                else

                {

                    operationBehavior.AutoDisposeParameters = false;

                }

            }

        }



        /// <summary>

        /// Confirms that the endpoint meets some intended criteria.

        /// </summary>

        /// <param name="endpoint">The endpoint to validate.</param>

        public void Validate(ServiceEndpoint endpoint)

        {

            if (endpoint == null)

            {

                throw Fx.Exception.ArgumentNull("endpoint");

            }

        }

    }

}