public void LocationFiltering(MediaQueryContext query, MediaLocationContext location)
{
// TODO: Could be an interface instead for further extensibility
if (!(location is FileSystemLocationContext)) return;
var fileLocation = location as FileSystemLocationContext;
// Add header detail
query.Headers.Add(
new MediaHeaderContext(location)
{
ContentLength = fileLocation.File.GetSize(),
// TODO: MIME will be auto-accepted since we leave ContentType blank; so format match will just be on extension. Not a viable long-term solution.
ContentType = "", //fileLocation.File.GetFileType(),// .Trim('.').ToLower()),
HashCode = fileLocation.File.GetHashCode(),
TimeStamp = fileLocation.File.GetLastUpdated(),
Title = fileLocation.File.GetName().ExtractFileName()
});
}
public static HttpHeaderContext ProbeHttpHeaders(MediaLocationContext location)
{
var url = location.Location;
WebRequest WebRequestObject = HttpWebRequest.Create(url);
// Begin GET
WebRequestObject.Method = "GET";
WebResponse ResponseObject = WebRequestObject.GetResponse();
// Extract title from URL
// TODO: Could be an extension method
var title = url.ExtractFileName();
var headers = new HttpHeaderContext(location)
{
ContentLength = ResponseObject.ContentLength,
Headers = ResponseObject.Headers,
HashCode = ResponseObject.GetHashCode(),
Title = title
};
string contentType = ResponseObject.ContentType;
string contentTypeParameter = "";
int index = contentType.IndexOf(";");
if (index > 0)
{
contentType = contentType.Substring(0, index);
// e.g. CHARSET
contentTypeParameter = contentType.Substring(index+1).Trim();
}
headers.ContentType = contentType;
headers.ContentTypeParameter = contentTypeParameter;
if (ResponseObject.Headers["Last-Modified"]!=null) {
DateTime timeStamp;
if (!DateTime.TryParse(ResponseObject.Headers["Last-Modified"],out timeStamp))
{
timeStamp = DateTime.Now;
}
headers.TimeStamp = timeStamp;
}
ResponseObject.Close();
return headers;
}
public void LocationFiltered(MediaQueryContext query, MediaLocationContext location)
{
if (!(location is FileSystemLocationContext)) return;
}
public MediaHeaderContext(MediaLocationContext location)
{
LocationContext = location;
}
public void LocationFiltered(MediaQueryContext query, MediaLocationContext location)
{
return;
}
public void LocationFiltering(MediaQueryContext query, MediaLocationContext location)
{
if (location.QueryName != "Http") return;
query.Headers.Add(ProbeHttpHeaders(location));
}
