mcs/class/System.Web/System.Web.Hosting/HostingEnvironment.cs

   1 //
   2 // System.Web.Hosting.HostingEnvironment.cs
   3 //
   4 // Author:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8
   9 //
  10 // Copyright (C) 2005,2006 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 #if NET_2_0
  33
  34 using System;
  35 using System.Globalization;
  36 using System.Security.Permissions;
  37 using System.Threading;
  38 using System.Web.Configuration;
  39 using System.Web.Caching;
  40 using System.Web.Util;
  41
  42 namespace System.Web.Hosting {
  43
  44         [AspNetHostingPermission (SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Medium)]
  45         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.High)]
  46         public sealed class HostingEnvironment : MarshalByRefObject
  47         {
  48                 static bool is_hosted;
  49                 static string site_name;
  50                 static ApplicationShutdownReason shutdown_reason;
  51                 internal static BareApplicationHost Host;
  52                 static VirtualPathProvider vpath_provider = (HttpRuntime.AppDomainAppVirtualPath == null) ? null :
  53                                                                 new DefaultVirtualPathProvider ();
  54                 static int busy_count;
  55
  56                 public HostingEnvironment ()
  57                 {
  58                         // The documentation says that this is called once per domain by the ApplicationManager and
  59                         // then it throws InvalidOperationException whenever called.
  60                         throw new InvalidOperationException ();
  61                 }
  62
  63                 public static string ApplicationID {
  64                         get { return HttpRuntime.AppDomainAppId; }
  65                 }
  66
  67                 public static string ApplicationPhysicalPath {
  68                         get { return HttpRuntime.AppDomainAppPath; }
  69                 }
  70
  71                 public static string ApplicationVirtualPath {
  72                         get { return HttpRuntime.AppDomainAppVirtualPath; }
  73                 }
  74
  75                 public static Cache Cache {
  76                         get { return HttpRuntime.Cache; }
  77                 }
  78
  79                 public static Exception InitializationException {
  80                         get { return HttpApplication.InitializationException; }
  81                 }
  82
  83                 public static bool IsHosted {
  84                         get { return is_hosted; }
  85                 }
  86
  87                 public static ApplicationShutdownReason ShutdownReason {
  88                         get { return shutdown_reason; }
  89                 }
  90
  91                 public static string SiteName {
  92                         get { return site_name; }
  93                 }
  94
  95                 public static VirtualPathProvider VirtualPathProvider {
  96                         get { return vpath_provider; }
  97                 }
  98
  99                 public static void DecrementBusyCount ()
 100                 {
 101                         Interlocked.Decrement (ref busy_count);
 102                 }
 103
 104                 [MonoTODO ("Not implemented")]
 105                 public static IDisposable Impersonate ()
 106                 {
 107                         throw new NotImplementedException ();
 108                 }
 109
 110                 [MonoTODO ("Not implemented")]
 111                 public static IDisposable Impersonate (IntPtr token)
 112                 {
 113                         throw new NotImplementedException ();
 114                 }
 115
 116                 [MonoTODO ("Not implemented")]
 117                 public static IDisposable Impersonate (IntPtr userToken, string virtualPath)
 118                 {
 119                         throw new NotImplementedException ();
 120                 }
 121
 122                 public static void IncrementBusyCount ()
 123                 {
 124                         Interlocked.Increment (ref busy_count);
 125                 }
 126
 127                 public override object InitializeLifetimeService ()
 128                 {
 129                         return null;
 130                 }
 131
 132                 public static void InitiateShutdown ()
 133                 {
 134                         HttpRuntime.UnloadAppDomain ();
 135                 }
 136
 137                 public static string MapPath (string virtualPath)
 138                 {
 139                         if (virtualPath == null || virtualPath == "")
 140                                 throw new ArgumentNullException ("virtualPath");
 141
 142                         HttpContext context = HttpContext.Current;
 143                         if (context == null)
 144                                 return null;
 145
 146                         return context.Request.MapPath (virtualPath);
 147                 }
 148
 149                 public static void RegisterObject (IRegisteredObject obj)
 150                 {
 151                         if (obj == null)
 152                                 throw new ArgumentNullException ("obj");
 153                         Host.RegisterObject (obj, false);
 154                 }
 155
 156                 public static void RegisterVirtualPathProvider (VirtualPathProvider virtualPathProvider)
 157                 {
 158                         if (HttpRuntime.AppDomainAppVirtualPath == null)
 159                                 throw new InvalidOperationException ();
 160
 161                         if (virtualPathProvider == null)
 162                                 throw new ArgumentNullException ("virtualPathProvider");
 163
 164                         virtualPathProvider.SetPrevious (vpath_provider);
 165                         vpath_provider = virtualPathProvider;
 166                 }
 167
 168                 public static IDisposable SetCultures (string virtualPath)
 169                 {
 170                         GlobalizationSection gs = WebConfigurationManager.GetSection ("system.web/globalization", virtualPath) as GlobalizationSection;
 171                         IDisposable ret = Thread.CurrentThread.CurrentCulture as IDisposable;
 172                         string culture = gs.Culture;
 173                         if (String.IsNullOrEmpty (culture))
 174                                 return ret;
 175                         Thread.CurrentThread.CurrentCulture = new CultureInfo (culture);
 176                         return ret;
 177                 }
 178
 179                 public static IDisposable SetCultures ()
 180                 {
 181                         return SetCultures ("~/");
 182                 }
 183
 184                 public static void UnregisterObject (IRegisteredObject obj)
 185                 {
 186                         if (obj == null)
 187                                 throw new ArgumentNullException ("obj");
 188                         Host.UnregisterObject (obj);
 189                 }
 190         }
 191 }
 192
 193 #endif