/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler" /> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext" /> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
/// <exception cref="System.Web.HttpException">404;Not found</exception>
public void ProcessRequest(HttpContext context)
{
if (this.FileExists(context.Request.Url.AbsolutePath))
{
using (var fileStream = this.OpenFile(context.Request.Url.AbsolutePath))
{
var fileName = VirtualPathUtility.GetFileName(context.Request.Url.AbsolutePath);
var buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, (int)fileStream.Length);
context.Response.ContentType = ResourceHttpHandler.GetMimeMapping(fileName);
if (fileName.EndsWith("css", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith("js", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith("html", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith("htm", StringComparison.OrdinalIgnoreCase))
{
var cache = context.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now + TimeSpan.FromDays(7));
cache.SetValidUntilExpires(true);
var lastWriteTime = ResourceHttpHandler.GetAssemblyLastWriteTime();
cache.SetLastModified(lastWriteTime);
}
this.WriteToOutput(context, buffer);
}
}
else
{
throw new HttpException(404, "Not found");
}
}
/// <summary>
/// Sets client cache for the requested resource. In debug mode this caching is disabled.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="fileName">Name of the file.</param>
protected virtual void SetResponseClientCache(HttpContext context, string fileName)
{
#if !DEBUG
if (fileName.EndsWith(".css", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith(".js", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith(".html", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith(".htm", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith(".sf-cshtml", StringComparison.OrdinalIgnoreCase))
{
var cache = context.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now + TimeSpan.FromDays(7));
cache.SetValidUntilExpires(true);
var lastWriteTime = ResourceHttpHandler.GetAssemblyLastWriteTime();
cache.SetLastModified(lastWriteTime);
}
#endif
}