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 using System.Web;
  11 using System.Web.UI;
  12 using System.Reflection;
  13 using System.IO;
  14
  15 namespace System.Web.Handlers {
  16         [MonoTODO ("Should we cache stuff?")]
  17         #if NET_1_2
  18         public
  19         #else
  20         internal // since this is in the .config file, we need to support it, since we dont have versoned support.
  21         #endif
  22                 class AssemblyResourceLoader : IHttpHandler {
  23
  24                 internal static string GetResourceUrl (Type type, string resourceName)
  25                 {
  26                         return "WebResource.axd?assembly="
  27                                 + HttpUtility.UrlEncode (type.Assembly.GetName ().FullName)
  28                                 + "&resource="
  29                                 + HttpUtility.UrlEncode (resourceName);
  30                 }
  31
  32
  33                 [MonoTODO ("Substitution not implemented")]
  34                 void System.Web.IHttpHandler.ProcessRequest (HttpContext context)
  35                 {
  36 #if NET_1_2
  37                         string resourceName = context.Request.QueryString ["resource"];
  38                         Assembly assembly = Assembly.Load (context.Request.QueryString ["assembly"]);
  39
  40                         bool found = false;
  41                         foreach (WebResourceAttribute wra in assembly.GetCustomAttributes (typeof (WebResourceAttribute), false)) {
  42                                 if (wra.WebResource == resourceName) {
  43                                         context.Response.ContentType = wra.ContentType;
  44
  45                                         if (wra.PerformSubstitution)
  46                                                 throw new NotImplementedException ("Substitution not implemented");
  47
  48                                         found = true;
  49                                         break;
  50                                 }
  51                         }
  52                         if (!found)
  53                                 return;
  54
  55                         Stream s = assembly.GetManifestResourceStream (resourceName);
  56
  57                         byte [] buf = new byte [1024];
  58                         Stream output = context.Response.OutputStream;
  59                         int c;
  60                         do {
  61                                 c = s.Read (buf, 0, 1024);
  62                                 output.Write (buf, 0, c);
  63                         } while (c > 0);
  64 #endif
  65                 }
  66
  67                 bool System.Web.IHttpHandler.IsReusable { get { return true; } }
  68         }
  69 }
  70