public Channel()
{
_library = String.Empty;
_name = String.Empty;
_link = String.Empty;
_items = new ChannelItemCollection();
}
public Channel(string library, string name, string link)
{
_library = library;
_name = name;
_link = link;
_items = new ChannelItemCollection();
}
private void readChannels()
{
_Channels = new ChannelItemCollection();
XmlDocument oXml = new XmlDocument();
oXml.Load(_ChannelListXML);
XmlNodeList oNodeList = oXml.SelectNodes("channels");
XmlNode oRoot = oNodeList[0];
foreach (XmlNode oNode in oRoot.ChildNodes)
{
string id = oNode.Attributes["id"].Value;
string display_name = oNode.Attributes["display_name"].Value;
string sopurl = oNode.InnerText;
if (_ChannelThumbnailPath != "")
{
string sThumbnailFile = _ChannelThumbnailPath + "\\" + id + ".jpg";
_Channels.AddChannel(new ChannelItem(id, sopurl, display_name, sThumbnailFile));
}
else
_Channels.AddChannel(new ChannelItem(id, sopurl, display_name));
}
}
public void Process(Stream stream)
{
XmlTextReader rss = null;
ChannelItem item = null;
ChannelItemCollection items = new ChannelItemCollection();
Exception error = null;
rss = new XmlTextReader(stream);
rss.WhitespaceHandling = WhitespaceHandling.None;
try
{
while (rss.Read())
{
try
{
if (rss.IsStartElement())
{
if (String.Compare(rss.Name, "title", true) == 0)
this.Title = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "link", true) == 0)
this.Link = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "description", true) == 0)
this.Description = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "language", true) == 0)
this.Language = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "ttl", true) == 0)
this.TTL = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "item", true) == 0)
{
item = new ChannelItem(this);
while ((String.Compare(rss.Name, "item", true) == 0 &&
rss.NodeType == XmlNodeType.EndElement) == false)
{
if (rss.Read() && rss.IsStartElement())
{
if (String.Compare(rss.Name, "title", true) == 0)
item.Title = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "link", true) == 0)
item.Link = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "description", true) == 0)
item.Description = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "guid", true) == 0)
item.Guid = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "pubDate", true) == 0)
item.PublicationDate = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "enclosure", true) == 0)
{
item.Enclosure.Url = XmlHelper.Decode(rss.GetAttribute("url"));
try { item.Enclosure.Length = long.Parse(rss.GetAttribute("length")); }
catch (Exception) { item.Enclosure.Length = 0; }
item.Enclosure.Type = XmlHelper.Decode(rss.GetAttribute("type"));
}
else if (String.Compare(rss.Name, "itunes:author", true) == 0)
item.Author = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "itunes:keywords", true) == 0)
item.Keywords = XmlHelper.Decode(rss.ReadString());
else if (String.Compare(rss.Name, "media:thumbnail", true) == 0)
{
item.Thumbnail = new Thumbnail(item);
item.Thumbnail.Url = XmlHelper.Decode(rss.GetAttribute("url"));
try { item.Thumbnail.Height = int.Parse(rss.GetAttribute("height")); }
catch (Exception) { item.Thumbnail.Height = 0; }
try { item.Thumbnail.Width = int.Parse(rss.GetAttribute("width")); }
catch (Exception) { item.Thumbnail.Width = 0; }
}
}
}
items.Add(item);
}
}
}
catch (XmlException ex)
{
if (error == null)
{
error = new XmlException(String.Format("An XML error occurred while processing {0}.",
item.Title), ex);
}
}
catch (Exception ex)
{
if (error == null)
error = ex;
}
}
}
catch (Exception ex)
{
error = new Exception(String.Format("An unknown error occurred while processing {0}.",
item.Title), ex);
}
finally
{
if (rss != null)
rss.Close();
}
if (error != null)
throw error;
_items.Merge(items);
}
