public static void MapToHttpResponse(this HttpPage page, HttpResponse response)
{
if (page == null)
{
throw new ArgumentNullException("page");
}
if (response == null)
{
throw new ArgumentNullException("response");
}
switch (page.CachingApproach)
{
case HttpPage.HttpPageCachingApproach.Default:
break;
case HttpPage.HttpPageCachingApproach.LastModifyDateWithoutCaching:
var lastModifyDate = page.LastModifyDate;
if (lastModifyDate != null)
{
//NOTE: adding headers instead of Response.Cache because issues with NoCache and Last-Modified header
response.AddHeader("Cache-Control", "no-cache");
response.AddHeader("Pragma", "no-cache");
response.AddHeader("Expires", "-1");
response.AddHeader("Last-Modified", lastModifyDate.Value.ToUniversalTime().ToString("R"));
}
else
{
response.Cache.SetCacheability(HttpCacheability.NoCache);
}
break;
case HttpPage.HttpPageCachingApproach.NoCache:
response.Cache.SetCacheability(HttpCacheability.NoCache);
break;
default:
throw new InvalidOperationException();
}
}
public static void MapToHttpPage(this IHttpPageMetatag pageMetatag, HttpPage page, bool forceMapping)
{
if (pageMetatag == null)
{
throw new ArgumentNullException("metatag");
}
if (page == null)
{
throw new ArgumentNullException("page");
}
var pageHead = page.Head;
if (pageHead == null)
{
throw new NullReferenceException("page.Head");
}
//
string text;
if (!string.IsNullOrEmpty(text = pageMetatag.Description) || (forceMapping))
{
pageHead.Description = text;
}
if (!string.IsNullOrEmpty(text = pageMetatag.Keywords) || (forceMapping))
{
pageHead.Keywords = text;
}
if (!string.IsNullOrEmpty(text = pageMetatag.Title) || (forceMapping))
{
pageHead.Title = text;
}
if (!string.IsNullOrEmpty(text = pageMetatag.Tag) || (forceMapping))
{
pageHead.Tag = text;
}
}
public static void MapToHtmlHead(this HttpPage page, HtmlHead htmlHead)
{
if (page == null)
{
throw new ArgumentNullException("page");
}
if (htmlHead == null)
{
throw new ArgumentNullException("htmlHead");
}
var pageHead = page.Head;
if (pageHead == null)
{
throw new NullReferenceException("page.Head");
}
var htmlHeadControls = htmlHead.Controls;
HtmlLink htmlLink;
string text;
// no-index
if (pageHead.NoIndex)
{
htmlHeadControls.Add(new HtmlMeta {
ID = HeaderControlId.NoIndex, Name = "robots", Content = "noindex"
});
}
// canonical
if (!string.IsNullOrEmpty(text = pageHead.CanonicalUri))
{
htmlLink = new HtmlLink {
ID = HeaderControlId.Canonical, Href = text
};
htmlLink.Attributes["rel"] = "canonical";
htmlHeadControls.Add(htmlLink);
}
// icon
if (!string.IsNullOrEmpty(text = pageHead.IconUri))
{
if (string.Compare(text, "/favicon.ico", StringComparison.OrdinalIgnoreCase) != 0)
{
throw new InvalidOperationException(string.Format("InvalidHttpHeadIconA {0}", "/favicon.ico"));
}
// icon (browser type A)
htmlLink = new HtmlLink {
ID = HeaderControlId.Icon, Href = text
};
htmlLink.Attributes["rel"] = "icon";
htmlLink.Attributes["type"] = "image/x-icon";
htmlHeadControls.Add(htmlLink);
// shortcut icon (browser type B)
htmlLink = new HtmlLink {
ID = HeaderControlId.ShortcutIcon, Href = text
};
htmlLink.Attributes["rel"] = "shortcut icon";
htmlLink.Attributes["type"] = "image/x-icon";
htmlHeadControls.Add(htmlLink);
}
// search
if (!string.IsNullOrEmpty(text = pageHead.Search))
{
htmlLink = new HtmlLink {
ID = HeaderControlId.Search, Href = text
};
var title = pageHead.SearchTitle;
if (!string.IsNullOrEmpty(title))
{
htmlLink.Attributes["title"] = title;
}
htmlLink.Attributes["rel"] = "search";
htmlLink.Attributes["type"] = "application/opensearchdescription+xml";
htmlHeadControls.Add(htmlLink);
}
// rss/atom
var syndications = pageHead.Syndications;
if (syndications != null)
{
var id = string.Empty;
for (int syndicationIndex = 1; syndicationIndex < syndications.Length; syndicationIndex++)
{
var syndication = syndications[syndicationIndex];
htmlLink = new HtmlLink {
ID = HeaderControlId.Syndication + id, Href = syndication.Uri
};
var title = syndication.Title;
if (!string.IsNullOrEmpty(title))
{
htmlLink.Attributes["title"] = title;
}
htmlLink.Attributes["rel"] = "alternate";
htmlLink.Attributes["type"] = (syndication.Format == HttpPage.WebSyndicationFormat.Atom ? "application/atom+xml" : "application/rss+xml");
htmlHeadControls.Add(htmlLink);
id = (syndicationIndex++).ToString();
}
}
// page title
if (!string.IsNullOrEmpty(text = pageHead.Title))
{
htmlHeadControls.Add(new HtmlTitle {
ID = HeaderControlId.Title, Text = HttpUtility.HtmlEncode(text)
});
}
// page keyword
if (!string.IsNullOrEmpty(text = pageHead.Keywords))
{
htmlHeadControls.Add(new HtmlMeta {
ID = HeaderControlId.Keyword, Name = "keywords", Content = text
});
}
// page description
if (!string.IsNullOrEmpty(text = pageHead.Description))
{
htmlHeadControls.Add(new HtmlMeta()
{
ID = HeaderControlId.Description, Name = "description", Content = text
});
}
// add search tag
if (!string.IsNullOrEmpty(text = pageHead.Tag))
{
htmlHeadControls.Add(new HtmlMeta {
ID = HeaderControlId.Tag, Name = "tag", Content = text
});
}
// author
if (!string.IsNullOrEmpty(text = pageHead.Author))
{
htmlHeadControls.Add(new HtmlMeta {
ID = HeaderControlId.Author, Name = "author", Content = text
});
}
// copyright
if (!string.IsNullOrEmpty(text = pageHead.Copyright))
{
htmlHeadControls.Add(new HtmlMeta {
ID = HeaderControlId.Copyright, Name = "copyright", Content = text
});
}
// developer
if (!string.IsNullOrEmpty(text = pageHead.Developer))
{
htmlHeadControls.Add(new HtmlMeta {
ID = HeaderControlId.Developer, Name = "developer", Content = text
});
}
}
public static void MapToHttpPage(this IHttpPageMetatag pageMetatag, HttpPage page)
{
MapToHttpPage(pageMetatag, page, false);
}
