protected override void OnPreRender(EventArgs e)
{
// modify the NavigateUrl to include optional user name and channel name
string channel = _channelName != null ? _channelName : string.Empty;
string user = _includeUserName ? Context.User.Identity.Name : string.Empty;
NavigateUrl = RssHttpHandlerHelper.GenerateChannelLink(NavigateUrl, channel, user);
// add <link> to <head> tag (if <head runat=server> is present)
if (Page.Header != null)
{
string title = string.IsNullOrEmpty(channel) ? Text : channel;
Page.Header.Controls.Add(new LiteralControl(string.Format(
"\r\n<link rel=\"alternate\" type=\"application/rss+xml\" title=\"{0}\" href=\"{1}\" />",
title, NavigateUrl)));
}
base.OnPreRender(e);
}
void IHttpHandler.ProcessRequest(HttpContext context)
{
_context = context;
// create the channel
_channel = new RssChannelType();
_channel.SetDefaults();
// parse the channel name and the user name from the query string
string userName;
string channelName;
RssHttpHandlerHelper.ParseChannelQueryString(context.Request, out channelName, out userName);
// populate items (call the derived class)
PopulateChannel(channelName, userName);
// save XML into response
XmlDocument doc = _channel.SaveAsXml();
context.Response.ContentType = "text/xml";
doc.Save(context.Response.OutputStream);
}
