在Web API应用程序中,我使用CaSTLe Windsor提供配置了PerWebRequest生存期的服务,并且在IIS上一切正常。
但是,当我使用ASP.NET Web API自助主机(Beta)package时,我需要创建一个自定义生存期,以便为每个HTTP请求确定这些服务的范围。
如何使用HttpRequestMessage.Properties承载每个请求的上下文?
最佳答案
我建议您使用消息处理程序将一些对象设置为HttpRequestMessage.Property:
public class MyApplication : HttpApplication
{
protected void Application_Start()
{
RegisterHttpMessageHandlers(GlobalConfiguration.Configuration);
}
public void RegisterHttpMessageHandlers(HttpConfiguration config)
{
config.MessageHandlers.Add(new MyMessageHandler());
}
}
public static class MyHttpMessageHandlerExtensions
{
public static class HttpPropertyKey
{
public static readonly string MyProperty = "MyCompany_MyProperty";
}
public static MyContext GetContext(this HttpRequestMessage request)
{
return (MyContext)request.Properties[HttpPropertyKey.MyProperty ];
}
public static void SetContext(this HttpRequestMessage request, MyContext ctx)
{
request.Properties[HttpPropertyKey.MyProperty] = ctx;
}
}
public class MyMessageHandler : DelegatingHandler
{
protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
request.SetContext(new MyContext(){/*some your data*/});
return base.SendAsync(request, cancellationToken);
}
}
public class MyController: ApiController
{
public object GetData()
{
MyContext ctx = this.Request.GetContext(); // the extenstion method is used
}
}
关于asp.net - 使用HttpRequestMessage.Properties承载每个请求的上下文,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/10563188/