mcs/class/System.Web/System.Web.Configuration/HttpCapabilitiesBase.cs

   1 //
   2 // System.Web.Configuration.HttpCapabilitiesBase
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2002 Ximian, Inc (http://www.ximian.com)
   8 // Copyright (C) 2003,2004,2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Collections;
  31 using System.Security.Permissions;
  32
  33 namespace System.Web.Configuration
  34 {
  35         // CAS
  36         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  37         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38 #if NET_2_0
  39         public partial class HttpCapabilitiesBase
  40 #else
  41         public class HttpCapabilitiesBase
  42 #endif
  43         {
  44                 Hashtable capabilities;
  45
  46                 public HttpCapabilitiesBase () { }
  47
  48                 public virtual string this [string key]
  49                 {
  50                         get { return capabilities [key] as string; }
  51                 }
  52
  53                 public static HttpCapabilitiesBase GetConfigCapabilities (string configKey, HttpRequest request)
  54                 {
  55                         string ua;
  56 #if NET_2_0
  57                         ua = null;
  58                         if (request.Context.CurrentHandler is System.Web.UI.Page)
  59                                 ua = ((System.Web.UI.Page) request.Context.CurrentHandler).ClientTarget;
  60
  61                         if (ua == null || ua.Length == 0) {
  62                                 ua = request.ClientTarget;
  63
  64                                 if (ua == null || ua.Length == 0)
  65                                         ua = request.UserAgent;
  66                         }
  67 #else
  68                         ua = request.ClientTarget;
  69                         if (ua == null || ua.Length == 0)
  70                                 ua = request.UserAgent;
  71 #endif
  72                         HttpBrowserCapabilities bcap = new HttpBrowserCapabilities ();
  73                         bcap.useragent = ua;
  74                         bcap.capabilities = CapabilitiesLoader.GetCapabilities (ua);
  75                         bcap.Init ();
  76                         return bcap;
  77                 }
  78
  79                 protected virtual void Init ()
  80                 {
  81                 }
  82         }
  83 }
  84