| public RemapHandler ( IHttpHandler handler ) : void | ||
| handler | IHttpHandler | |
| return | void | |
void Pipeline_PostAuthorizeRequestStart(System.Web.IHttpModule sender, System.Web.HttpContext context)
{
if (HandlesRequest(context, c))
{
//Communicate to the MVC plugin this request should not be affected by the UrlRoutingModule.
context.Items[c.Pipeline.StopRoutingKey] = true;
//Provide the request handler
context.RemapHandler(new EndpointPluginPageHandler(ProcessRequest));
}
}
void Pipeline_PostAuthorizeRequestStart(System.Web.IHttpModule sender, System.Web.HttpContext context)
{
if ((context.Request.FilePath.EndsWith("/resizer.debug", StringComparison.OrdinalIgnoreCase) ||
context.Request.FilePath.EndsWith("/resizer.debug.ashx", StringComparison.OrdinalIgnoreCase)))
{
//Communicate to the MVC plugin this request should not be affected by the UrlRoutingModule.
context.Items[c.Pipeline.StopRoutingKey] = true;
//Provide the request handler
IHttpHandler handler = AllowResponse(context) ? (IHttpHandler) new DiagnosticPageHandler(c) : (IHttpHandler) new DiagnosticDisabledHandler(c);
context.RemapHandler(handler);
// The following line of code does nothing. I don't think there is any way to make this work before .NET 2.0 SP2
//context.Handler = handler;
}
}
public override void RemapHandler(IHttpHandler handler)
{
w.RemapHandler(handler);
}
public void Process(System.Web.HttpContext current, IResponseArgs e)
{
current.RemapHandler(new Return304Handler(e));
}
public override void RemapHandler(IHttpHandler handler)
{
_context.RemapHandler(handler);
}
private void Serve(HttpContext context, IResponseArgs e, MemCacheResult result)
{
context.RemapHandler(new MemCacheHandler(e,result.Data));
}
public void Process(HttpContext context, IResponseArgs e)
{
CacheResult r = Process(e);
context.Items["FinalCachedFile"] = r.PhysicalPath;
if (r.Data == null) {
//Calculate the virtual path
string virtualPath = VirtualCacheDir.TrimEnd('/') + '/' + r.RelativePath.Replace('\\', '/').TrimStart('/');
//Rewrite to cached, resized image.
context.RewritePath(virtualPath, false);
} else {
//Remap the response args writer to use the existing stream.
((ResponseArgs)e).ResizeImageToStream = delegate(Stream s) {
((MemoryStream)r.Data).WriteTo(s);
};
context.RemapHandler(new NoCacheHandler(e));
}
}
private void TryRemapHandler(HttpContext context, IHttpHandler iHttpHandler)
{
try
{
context.RemapHandler(SlickUploadHandlerFactory.GetHandler(context));
}
catch
{
// TODO: error somewhere?
}
}
private void ShowDebugInfo(HttpContext context, IHttpHandler handler)
{
if( s_IntegratedPipeline == false ) {
handler.ProcessRequest(context);
}
else {
bool isAfterMapRequestHandler = false;
try {
context.RemapHandler(handler);
}
catch( InvalidOperationException ) {
// 在IIS7的集成管线模式下，当前阶段 >= MapRequestHandler 时，会引发这个异常
isAfterMapRequestHandler = true;
}
if( isAfterMapRequestHandler )
handler.ProcessRequest(context);
}
}
