HostingEnvironment.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » Hosting » C# / CSharp Open Source

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C# / CSharp Open Source » 2.6.4 mono .net core » System.Web 
System.Web » System » Web » Hosting » HostingEnvironment.cs
//
// System.Web.Hosting.HostingEnvironment.cs
//
// Author:
//  Chris Toshok (toshok@ximian.com)
//  Gonzalo Paniagua Javier (gonzalo@ximian.com)
//

//
// Copyright (C) 2005,2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#if NET_2_0

using System;
using System.Globalization;
using System.Security.Permissions;
using System.Threading;
using System.Web.Configuration;
using System.Web.Caching;
using System.Web.Util;

namespace System.Web.Hosting{

  [AspNetHostingPermission (SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Medium)]
  [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.High)]
  public sealed class HostingEnvironment : MarshalByRefObject
  {
    static bool is_hosted;
#pragma warning disable 0649
    static string site_name;
    static ApplicationShutdownReason shutdown_reason;
#pragma warning restore 0649
    internal static BareApplicationHost Host;
    static VirtualPathProvider vpath_provider = (HttpRuntime.AppDomainAppVirtualPath == null) ? null :
                new DefaultVirtualPathProvider ();
    static int busy_count;

    internal static bool HaveCustomVPP {
      get;
      private set;
    }
    
    public HostingEnvironment ()
    {
      // The documentation says that this is called once per domain by the ApplicationManager and
      // then it throws InvalidOperationException whenever called.
      throw new InvalidOperationException ();
    }

    public static string ApplicationID {
      get { return HttpRuntime.AppDomainAppId; }
    }

    public static string ApplicationPhysicalPath {
      get { return HttpRuntime.AppDomainAppPath; }
    }

    public static string ApplicationVirtualPath {
      get { return HttpRuntime.AppDomainAppVirtualPath; }
    }

    public static Cache Cache {
      get { return HttpRuntime.Cache; }
    }

    public static Exception InitializationException {
      get { return HttpApplication.InitializationException; }
    }

    public static bool IsHosted {
      get { return is_hosted; }
      internal set { is_hosted = value; }
    }

    public static ApplicationShutdownReason ShutdownReason {
      get { return shutdown_reason; }
    }

    public static string SiteName {
      get { return site_name; }
      internal set { site_name = value; }
    }

    public static VirtualPathProvider VirtualPathProvider {
      get { return vpath_provider; }
    }

    public static void DecrementBusyCount ()
    {
      Interlocked.Decrement (ref busy_count);
    }

    [MonoTODO ("Not implemented")]
    public static IDisposable Impersonate ()
    {
      throw new NotImplementedException ();
    }

    [MonoTODO ("Not implemented")]
    public static IDisposable Impersonate (IntPtr token)
    {
      throw new NotImplementedException ();
    }

    [MonoTODO ("Not implemented")]
    public static IDisposable Impersonate (IntPtr userToken, string virtualPath)
    {
      throw new NotImplementedException ();
    }

    public static void IncrementBusyCount ()
    {
      Interlocked.Increment (ref busy_count);
    }

    public override object InitializeLifetimeService ()
    {
      return null;
    }

    public static void InitiateShutdown ()
    {
      HttpRuntime.UnloadAppDomain ();
    }

    public static string MapPath (string virtualPath)
    {
      if (virtualPath == null || virtualPath == "")
        throw new ArgumentNullException ("virtualPath");
      
      HttpContext context = HttpContext.Current;
      HttpRequest req = context == null ? null : context.Request;
      if (req == null)
        return null;

      return req.MapPath (virtualPath);
    }

    public static void RegisterObject (IRegisteredObject obj)
    {
      if (obj == null)
        throw new ArgumentNullException ("obj");
      Host.RegisterObject (obj, false);
    }

    public static void RegisterVirtualPathProvider (VirtualPathProvider virtualPathProvider)
    {
      if (HttpRuntime.AppDomainAppVirtualPath == null)
        throw new InvalidOperationException ();

      if (virtualPathProvider == null)
        throw new ArgumentNullException ("virtualPathProvider");

      VirtualPathProvider previous = vpath_provider;
      vpath_provider = virtualPathProvider;
      vpath_provider.InitializeAndSetPrevious (previous);
      if (!(virtualPathProvider is DefaultVirtualPathProvider))
        HaveCustomVPP = true;
      else
        HaveCustomVPP = false;
    }
    
    public static IDisposable SetCultures (string virtualPath)
    {
      GlobalizationSection gs = WebConfigurationManager.GetSection ("system.web/globalization", virtualPath) as GlobalizationSection;
      IDisposable ret = Thread.CurrentThread.CurrentCulture as IDisposable;
      string culture = gs.Culture;
      if (String.IsNullOrEmpty (culture))
        return ret;
      Thread.CurrentThread.CurrentCulture = new CultureInfo (culture);
      return ret;
    }

    public static IDisposable SetCultures ()
    {
      return SetCultures ("~/");
    }

    public static void UnregisterObject (IRegisteredObject obj)
    {
      if (obj == null)
        throw new ArgumentNullException ("obj");
      Host.UnregisterObject (obj);
    }
  }
}

#endif
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