public async void AppBarButton_Click(object sender, RoutedEventArgs e)
{
response = new HttpResponseMessage();
// if 'feedAddress' value changed the new URI must be tested --------------------------------
// if the new 'feedAddress' doesn't work, 'feedStatus' informs the user about the incorrect input.
// feedStatus.Text = "Test if URI is valid";
Uri resourceUri;
if (!Uri.TryCreate(feedAddress.Trim(), UriKind.Absolute, out resourceUri))
{
// feedStatus.Text = "Invalid URI, please re-enter a valid URI";
return;
}
if (resourceUri.Scheme != "http" && resourceUri.Scheme != "https")
{
// feedStatus.Text = "Only 'http' and 'https' schemes supported. Please re-enter URI";
return;
}
// ---------- end of test---------------------------------------------------------------------
string responseText;
//feedStatus.Text = "Waiting for response ...";
try
{
response = await httpClient.GetAsync(resourceUri);
response.EnsureSuccessStatusCode();
responseText = await response.Content.ReadAsStringAsync();
// statusPanel.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}
catch (Exception ex)
{
//// Need to convert int HResult to hex string
//feedStatus.Text = "Error = " + ex.HResult.ToString("X") +
// " Message: " + ex.Message;
responseText = "";
}
//feedStatus.Text = response.StatusCode + " " + response.ReasonPhrase;
// now 'responseText' contains the feed as a verified text.
// next 'responseText' is converted as the rssItems class model definition to be displayed as a list
List <rssItems> lstData = new List <rssItems>();
XElement _xml = XElement.Parse(responseText);
XNamespace media = XNamespace.Get("http://search.yahoo.com/mrss/");
XNamespace dc = "http://purl.org/dc/elements/1.1/";
CultureInfo dateformat = new CultureInfo("fr-FR");
channelTitle.Text = _xml.Elements("channel").Elements("title").First().Value;
foreach (XElement value in _xml.Elements("channel").Elements("item"))
{
rssItems _item = new rssItems();
_item.Title = ShortenTitle(value.Element("title").Value);
_item.Thumbnail = value.Element(media + "thumbnail") != null?value.Element(media + "thumbnail").Attribute("url").Value : "/Assets/Square71x71Logo.scale-240.png";
_item.Link = value.Element("link").Value;
_item.Desc = value.Element("description").Value;
_item.Date = value.Element("pubDate").Value.Split(' ')[4];
_item.Date = _item.Date.Remove(_item.Date.Length - 3);
_item.Author = ShortenCreator(value.Element(dc + "creator").Value);
lstData.Add(_item);
}
// lstRSS is bound to the lstData: the final result of the RSS parsing
lstRSS.DataContext = lstData;
}
private async void AppBarButton_Click(object sender, RoutedEventArgs e)
{
response = new HttpResponseMessage();
// if 'feedAddress' value changed the new URI must be tested --------------------------------
// if the new 'feedAddress' doesn't work, 'feedStatus' informs the user about the incorrect input.
feedStatus.Text = "Test if URI is valid";
Uri resourceUri;
if (!Uri.TryCreate(feedAddress.Trim(), UriKind.Absolute, out resourceUri))
{
feedStatus.Text = "Invalid URI, please re-enter a valid URI";
return;
}
if (resourceUri.Scheme != "http" && resourceUri.Scheme != "https")
{
feedStatus.Text = "Only 'http' and 'https' schemes supported. Please re-enter URI";
return;
}
// ---------- end of test---------------------------------------------------------------------
string responseText;
feedStatus.Text = "Waiting for response ...";
try
{
response = await httpClient.GetAsync(resourceUri);
response.EnsureSuccessStatusCode();
responseText = await response.Content.ReadAsStringAsync();
statusPanel.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}
catch (Exception ex)
{
// Need to convert int HResult to hex string
feedStatus.Text = "Error = " + ex.HResult.ToString("X") +
" Message: " + ex.Message;
responseText = "";
}
feedStatus.Text = response.StatusCode + " " + response.ReasonPhrase;
// now 'responseText' contains the feed as a verified text.
// next 'responseText' is converted as the rssItems class model definition to be displayed as a list
List<rssItems> lstData = new List<rssItems>();
XElement _xml = XElement.Parse(responseText);
foreach (XElement value in _xml.Elements("channel").Elements("item"))
{
rssItems _item = new rssItems();
_item.Title = value.Element("title").Value;
_item.Description = value.Element("description").Value;
_item.Link = value.Element("link").Value;
_item.Category = value.Element("category").Value;
lstData.Add(_item);
}
// lstRSS is bound to the lstData: the final result of the RSS parsing
lstRSS.DataContext = lstData;
}
