/// <summary>
///
/// </summary>
/// <param name="url"></param>
/// <returns>SyndicationFeed</returns>
private async Task <SyndicationFeed> LoadRss10FeedFormatter(string url)
{
SyndicationFeed feed;
try
{
var request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
var response =
await Task.Factory.FromAsync <WebResponse>(request.BeginGetResponse, request.EndGetResponse, null);
using (var responseStream = response.GetResponseStream())
{
var rss10Reader = new Rss10FeedFormatter();
var nt = new NameTable();
var nsmgr = new XmlNamespaceManager(nt);
nsmgr.AddNamespace("georss", "http://www.w3.org/2001/XMLSchema-instance");
var context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
var xset = new XmlReaderSettings {
ConformanceLevel = ConformanceLevel.Fragment
};
var rdr = XmlReader.Create(responseStream, xset, context);
rss10Reader.ReadFrom(rdr);
feed = rss10Reader.Feed;
}
}
catch (Exception ex)
{
Debug.WriteLine("{0} {1}, {2} {3}", AppResources.RssError, url, AppResources.Error, ex);
feed = null;
}
return(feed);
}
/// <summary>
/// Gets the XML data from a specified URL.
/// </summary>
/// <typeparam name="T">The generic type.</typeparam>
/// <param name="url">The URL.</param>
/// <returns>The data retrieved.</returns>
public async Task <T> LoadRemote <T>(string url)
{
T result;
try
{
var request = (HttpWebRequest)WebRequest.Create(url);
var response = await Task.Factory.FromAsync <WebResponse>(request.BeginGetResponse, request.EndGetResponse, null);
using (var responseStream = response.GetResponseStream())
{
var nt = new NameTable();
var nsmgr = new XmlNamespaceManager(nt);
nsmgr.AddNamespace("georss", "http://www.w3.org/2001/XMLSchema-instance");
var context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
var xset = new XmlReaderSettings {
ConformanceLevel = ConformanceLevel.Fragment
};
var rdr = XmlReader.Create(responseStream, xset, context);
var rss10Reader = new Rss10FeedFormatter();
SyndicationFeed feed;
try
{
feed = SyndicationFeed.Load(rdr);
}
catch (Exception ex)
{
Debug.WriteLine("{0} {1}, {2} {3} {4}", AppResources.RssError, url, AppResources.Error, ex);
rss10Reader.ReadFrom(rdr);
feed = rss10Reader.Feed;
}
result = (T)Convert.ChangeType(feed, typeof(T));
}
}
catch (Exception ex)
{
var error = string.Format("{0} {1}. {2} {3}", AppResources.RssError, url, AppResources.Error, ex);
Debug.WriteLine(error);
throw new Exception(error, ex);
}
return(result);
}
