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//------------------------------------------------------------------------------
// <copyright file="PreloadHost.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Hosting {
using System;
using System.Web;
using System.Web.Util;
using System.Configuration;
internal sealed class PreloadHost : MarshalByRefObject, IRegisteredObject {
public PreloadHost() {
HostingEnvironment.RegisterObject(this);
}
public void CreateIProcessHostPreloadClientInstanceAndCallPreload(string preloadObjTypeName, string[] paramsForStartupObj) {
using (new ApplicationImpersonationContext()) {
// Check the type
Type preloadObjType = null;
try {
preloadObjType = Type.GetType(preloadObjTypeName, true);
}
catch (Exception e) {
throw new InvalidOperationException (
Misc.FormatExceptionMessage(e, new string[]{
SR.GetString(SR.Failure_Create_Application_Preload_Provider_Type, preloadObjTypeName)} ));
}
if (!typeof(IProcessHostPreloadClient).IsAssignableFrom(preloadObjType)) {
throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_Application_Preload_Provider_Type, preloadObjTypeName));
}
// Let all other exceptons fall through to the default AppDomain
IProcessHostPreloadClient preloadClient = (IProcessHostPreloadClient)Activator.CreateInstance(preloadObjType);
preloadClient.Preload(paramsForStartupObj);
}
}
internal Exception InitializationException { get { return HttpRuntime.InitializationException; } }
void IRegisteredObject.Stop(bool immediate) {
HostingEnvironment.UnregisterObject(this);
}
public override Object InitializeLifetimeService() {
return null; // never expire lease
}
}
}
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