/// <summary>
/// Reads from the specified source.
/// </summary>
/// <param name="source">The source.</param>
/// <returns>A newly constructed Feed</returns>
internal static Feed Read(Uri source)
{
var rssDoc = new XmlDocument();
using (var rssReader = new XmlTextReader(source.AbsoluteUri))
{
try
{
rssDoc.Load(rssReader);
}
catch
{
return(null);
}
}
XmlNode rssNode = null;
XmlNode channelNode = null;
for (int i = 0; i < rssDoc.ChildNodes.Count; ++i)
{
if (rssDoc.ChildNodes[i].Name == "rss")
{
rssNode = rssDoc.ChildNodes[i];
break;
}
}
if (rssNode == null)
{
return(null);
}
for (int i = 0; i < rssNode.ChildNodes.Count; ++i)
{
if (rssNode.ChildNodes[i].Name == "channel")
{
channelNode = rssNode.ChildNodes[i];
break;
}
}
if (channelNode == null)
{
return(null);
}
Feed feed = new Feed(channelNode["title"].InnerText,
channelNode["description"].InnerText,
new Uri(channelNode["link"].InnerText));
for (int i = 0; i < channelNode.ChildNodes.Count; ++i)
{
XmlNode itemNode = channelNode.ChildNodes[i];
if (itemNode.Name == "item")
{
FeedItem item = new FeedItem(itemNode["title"].InnerText,
itemNode["description"].InnerText,
new Uri(itemNode["link"].InnerText));
feed.Items.Add(item);
}
}
return(feed);
}
public void AddFeedItem(FeedItem feedItem)
{
Items.Add(feedItem);
}