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//
// System.Web.Handlers.AssemblyResourceLoader
//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
//
// (C) 2003 Ben Maurer
//
//
// 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.
//
using System.Web.UI;
using System.Reflection;
using System.IO;
namespace System.Web.Handlers {
#if NET_2_0
public sealed
#else
internal // since this is in the .config file, we need to support it, since we dont have versoned support.
#endif
class AssemblyResourceLoader : IHttpHandler {
internal static string GetResourceUrl (Type type, string resourceName)
{
string aname = type.Assembly == typeof(AssemblyResourceLoader).Assembly ? "s" : HttpUtility.UrlEncode (type.Assembly.GetName ().FullName);
string apath = type.Assembly.Location;
string atime = String.Empty;
if (apath != String.Empty) {
atime = "&t=" + File.GetLastWriteTimeUtc (apath).Ticks;
}
string href = "WebResource.axd?a=" + aname + "&r=" + HttpUtility.UrlEncode (resourceName) + atime;
if (HttpContext.Current != null && HttpContext.Current.Request != null) {
string appPath = HttpContext.Current.Request.ApplicationPath;
if (!appPath.EndsWith ("/"))
appPath += "/";
href = appPath + href;
}
return href;
}
[MonoTODO ("Substitution not implemented")]
void System.Web.IHttpHandler.ProcessRequest (HttpContext context)
{
string resourceName = context.Request.QueryString ["r"];
string asmName = context.Request.QueryString ["a"];
Assembly assembly;
if (asmName == null || asmName == "s") assembly = GetType().Assembly;
else assembly = Assembly.Load (asmName);
bool found = false;
foreach (WebResourceAttribute wra in assembly.GetCustomAttributes (typeof (WebResourceAttribute), false)) {
if (wra.WebResource == resourceName) {
context.Response.ContentType = wra.ContentType;
/* tell the client they can cache resources for 1 year */
context.Response.ExpiresAbsolute = DateTime.Now.AddYears(1);
context.Response.CacheControl = "public";
context.Response.Cache.VaryByParams ["r"] = true;
context.Response.Cache.VaryByParams ["t"] = true;
if (wra.PerformSubstitution)
throw new NotImplementedException ("Substitution not implemented");
found = true;
break;
}
}
if (!found)
return;
Stream s = assembly.GetManifestResourceStream (resourceName);
if (s == null)
return;
byte [] buf = new byte [1024];
Stream output = context.Response.OutputStream;
int c;
do {
c = s.Read (buf, 0, 1024);
output.Write (buf, 0, c);
} while (c > 0);
}
bool System.Web.IHttpHandler.IsReusable { get { return true; } }
}
}
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