private bool TryRSSFormat(string url)
{
if (string.IsNullOrEmpty(url) || string.IsNullOrWhiteSpace(url))
return false;
// set the wait cursor
// create a new xml doc
XmlDocument doc = new XmlDocument();
DateTime date;
try
{
// load the xml doc
doc.Load(url);
date = DateTime.Now;
}
catch (Exception ex1)
{
//// return the cursor
//this.Cursor = Cursors.Arrow;
// tell a story
MessageBox.Show(ex1.Message, "Atmel Studio - TryRSSFormat");
return false;
}
// get an xpath navigator
XPathNavigator navigator = doc.CreateNavigator();
list.Clear();
//Dictionary<string, RSSFeedDataset> list = new Dictionary<string, RSSFeedDataset>();
try
{
// look for the path to the rss item titles; navigate
// through the nodes to get all titles
XPathNodeIterator nodes;
nodes = navigator.Select("//rss/channel/item/title");
while (nodes.MoveNext())
{
// clean up the text for display
XPathNavigator node = nodes.Current;
if (node != null)
{
string tmp = node.Value.Trim();
tmp = tmp.Replace("\n", "");
tmp = tmp.Replace("\r", "");
// add a new treeview node for this
// news item title
var item = new RSSFeedDataset();
item.Subject = tmp;
item.Time = date.ToString();
list.Add(item);
}
}
// set a position counter
int position = 0;
// Get the links from the RSS feed
XPathNodeIterator nodesLink = navigator.Select("//rss/channel/item/link");
while (nodesLink.MoveNext())
{
// clean up the link
XPathNavigator node = nodesLink.Current;
if (node != null)
{
string tmp = node.Value.Trim();
tmp = tmp.Replace("\n", "");
tmp = tmp.Replace("\r", "");
// use the position counter
// to add a link child node
// to each news item title
list[position].Url = tmp;
}
// increment the position counter
position++;
}
position = 0;
// Get the links from the RSS feed
XPathNodeIterator nodesDescription = navigator.Select("//rss/channel/item/description");
while (nodesDescription.MoveNext())
{
// clean up the link
XPathNavigator node = nodesDescription.Current;
if (node != null)
{
string tmp = node.Value.Trim();
//tmp = tmp.Replace("\n", "");
//tmp = tmp.Replace("\r", "");
// use the position counter
// to add a link child node
// to each news item title
list[position].Description = tmp;
}
// increment the position counter
position++;
}
//foreach (var item in list)
//{
// rssfeedcollection.Add(item);
//}
//if (list.Any())
//{
// Dispatcher.CurrentDispatcher.Invoke(new Action<object>((Action) =>
// {
// foreach (var item in list)
// {
// rssfeedcollection.Add(item);
// }
// }));
//}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "RSS Feed Load Error");
return false;
}
switch (list.Any())
{
case false:
return false;
default:
return true;
}
}
private bool TryAtomFormat(string url)
{
try
{
//rssfeedcollection = new ObservableCollection<RSSFeedDataset>();
WebRequest request = WebRequest.Create(url);
request.Timeout = 50000;
using (WebResponse response = request.GetResponse())
using (XmlReader reader = XmlReader.Create(response.GetResponseStream()))
{
SyndicationFeed feed = SyndicationFeed.Load(reader);
DateTime date = DateTime.Now;
if (feed != null)
{
//List<RSSFeedDataset> list = new List<RSSFeedDataset>();
list.Clear();
foreach (var nodeitem in feed.Items)
{
// Work with the Title and PubDate properties of the FeedItem
var item = new RSSFeedDataset();
item.Subject = nodeitem.Title.Text;
item.Time = date.ToString(CultureInfo.InvariantCulture);
item.Url = nodeitem.Id;
//item.Title.Text
//item.Id
if (nodeitem.Summary != null)
{
//item.Summary.Text
item.Description = nodeitem.Summary.Text;
if (nodeitem.Content != null)
{
item.Description +=
((System.ServiceModel.Syndication.TextSyndicationContent)(nodeitem.Content)).Text;
}
}
else
{
if (nodeitem.Content != null)
{
item.Description =
((System.ServiceModel.Syndication.TextSyndicationContent)(nodeitem.Content)).Text;
}
}
list.Add(item);
//rssfeedcollection.Add(item);
}
//if (list.Any())
//{
// //Dispatcher.CurrentDispatcher.Invoke(new Action<object>((Action) =>
// // {
// // foreach (var item in list)
// // {
// // rssfeedcollection.Add(
// // item);
// // }
// // }));
// Dispatcher.CurrentDispatcher.Invoke(new Action<object>((Action) =>
// {
// for(int i=0;i<list.Count;i++)
// rssfeedcollection.Add(list[i]);
// }));
//}
}
}
if (list.Any() == false)
return false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "AtmelStudio - TryAtomFormat");
return false;
}
return true;
}
