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79 lines
3.1 KiB
79 lines
3.1 KiB
// This software is part of the Autofac IoC container
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// Copyright © 2011 Autofac Contributors
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// http://autofac.org
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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using System;
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using System.Web;
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namespace Autofac.Integration.Mvc
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{
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/// <summary>
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/// An <see cref="IHttpModule"/> and <see cref="ILifetimeScopeProvider"/> implementation
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/// that creates a nested lifetime scope for each HTTP request.
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/// </summary>
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internal class RequestLifetimeHttpModule : IHttpModule
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{
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/// <summary>
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/// Gets the lifetime scope provider that should be notified when a HTTP request ends.
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/// </summary>
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internal static ILifetimeScopeProvider LifetimeScopeProvider { get; private set; }
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/// <summary>
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/// Initializes a module and prepares it to handle requests.
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/// </summary>
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/// <param name="context">An <see cref="T:System.Web.HttpApplication"/> that provides access to the
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/// methods, properties, and events common to all application objects within an ASP.NET application</param>
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/// <exception cref="System.ArgumentNullException">
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/// Thrown if <paramref name="context" /> is <see langword="null" />.
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/// </exception>
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public void Init(HttpApplication context)
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{
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if (context == null)
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{
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throw new ArgumentNullException("context");
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}
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context.EndRequest += OnEndRequest;
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}
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/// <summary>
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/// Disposes of the resources (other than memory) used by the module that implements <see cref="T:System.Web.IHttpModule"/>.
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/// </summary>
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public void Dispose()
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{
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}
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public static void SetLifetimeScopeProvider(ILifetimeScopeProvider lifetimeScopeProvider)
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{
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if (lifetimeScopeProvider == null) throw new ArgumentNullException("lifetimeScopeProvider");
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LifetimeScopeProvider = lifetimeScopeProvider;
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}
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static void OnEndRequest(object sender, EventArgs e)
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{
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if (LifetimeScopeProvider != null)
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LifetimeScopeProvider.EndLifetimeScope();
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}
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}
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} |