public static LinkHeader ToLinkHeader(this string input)
{
LinkHeader linkHeader = new LinkHeader();
if (!string.IsNullOrWhiteSpace(input))
{
string[] linkStrings = input.Split(',');
if (linkStrings.Any())
{
linkHeader = new LinkHeader();
foreach (string linkString in linkStrings)
{
var relMatch = Regex.Match(linkString, "(?<=rel=\").+?(?=\")", RegexOptions.IgnoreCase);
var linkMatch = Regex.Match(linkString, "(?<=<).+?(?=>)", RegexOptions.IgnoreCase);
if (relMatch.Success && linkMatch.Success)
{
string rel = relMatch.Value.ToUpper();
string link = linkMatch.Value;
switch (rel)
{
case "FIRST":
linkHeader.FirstLink = link;
break;
case "PREV":
linkHeader.PrevLink = link;
break;
case "NEXT":
linkHeader.NextLink = link;
break;
case "LAST":
linkHeader.LastLink = link;
break;
}
}
}
}
}
return(linkHeader);
}
public static bool NoMo(this LinkHeader input)
{
return(input == null || input.Empty || input.EOF);
}