public override object Resolve(CreationContext context) {
var current = HttpContext.Current;
if (current == null)
throw new InvalidOperationException("HttpContext.Current is null. PerHttpApplicationLifestyle can only be used in ASP.NET");
var app = current.ApplicationInstance;
var lifestyleModule = app.Modules
.Cast<string>()
.Select(k => app.Modules[k])
.OfType<PerHttpApplicationLifestyleModule>()
.FirstOrDefault();
if (lifestyleModule == null) {
var message = string.Format("Looks like you forgot to register the http module {0}" +
"\r\nAdd '<add name=\"PerHttpApplicationLifestyle\" type=\"{1}\" />' " +
"to the <httpModules> section on your web.config",
typeof (PerWebRequestLifestyleModule).FullName,
typeof (PerWebRequestLifestyleModule).AssemblyQualifiedName);
throw new Exception(message);
}
if (!lifestyleModule.HasComponent(PerAppObjectID)) {
var instance = base.Resolve(context);
lifestyleModule[PerAppObjectID] = instance;
app.Disposed += (sender, args) => base.Release(instance);
}
return lifestyleModule[PerAppObjectID];
}
