mcs/class/System.Web/System.Web.Handlers/AssemblyResourceLoader.cs

   1 //
   2 // System.Web.Handlers.AssemblyResourceLoader
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@users.sourceforge.net)
   6 //
   7 // (C) 2003 Ben Maurer
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Web;
  32 using System.Web.UI;
  33 using System.Reflection;
  34 using System.IO;
  35
  36 namespace System.Web.Handlers {
  37         [MonoTODO ("Should we cache stuff?")]
  38         #if NET_2_0
  39         public
  40         #else
  41         internal // since this is in the .config file, we need to support it, since we dont have versoned support.
  42         #endif
  43                 class AssemblyResourceLoader : IHttpHandler {
  44
  45                 internal static string GetResourceUrl (Type type, string resourceName)
  46                 {
  47                         return "WebResource.axd?assembly="
  48                                 + HttpUtility.UrlEncode (type.Assembly.GetName ().FullName)
  49                                 + "&resource="
  50                                 + HttpUtility.UrlEncode (resourceName);
  51                 }
  52
  53
  54                 [MonoTODO ("Substitution not implemented")]
  55                 void System.Web.IHttpHandler.ProcessRequest (HttpContext context)
  56                 {
  57 #if NET_2_0
  58                         string resourceName = context.Request.QueryString ["resource"];
  59                         Assembly assembly = Assembly.Load (context.Request.QueryString ["assembly"]);
  60
  61                         bool found = false;
  62                         foreach (WebResourceAttribute wra in assembly.GetCustomAttributes (typeof (WebResourceAttribute), false)) {
  63                                 if (wra.WebResource == resourceName) {
  64                                         context.Response.ContentType = wra.ContentType;
  65
  66                                         if (wra.PerformSubstitution)
  67                                                 throw new NotImplementedException ("Substitution not implemented");
  68
  69                                         found = true;
  70                                         break;
  71                                 }
  72                         }
  73                         if (!found)
  74                                 return;
  75
  76                         Stream s = assembly.GetManifestResourceStream (resourceName);
  77
  78                         byte [] buf = new byte [1024];
  79                         Stream output = context.Response.OutputStream;
  80                         int c;
  81                         do {
  82                                 c = s.Read (buf, 0, 1024);
  83                                 output.Write (buf, 0, c);
  84                         } while (c > 0);
  85 #endif
  86                 }
  87
  88                 bool System.Web.IHttpHandler.IsReusable { get { return true; } }
  89         }
  90 }
  91