public void Start(ChannelItem channelItem)
{
HttpDownload download = new HttpDownload(_parent, channelItem.Guid, channelItem.Enclosure.Url);
download.ResponseReceived += new ProgressChangedEventHandler(ResponseReceived);
download.DownloadProgress += new ProgressChangedEventHandler(this.DownloadProgress);
download.DownloadComplete += new RunWorkerCompletedEventHandler(this.DownloadComplete);
if (_downloads.Contains(download.Guid) == false)
{
string filename = Path.Combine(channelItem.Channel.GetDirectory(), channelItem.Enclosure.GetFilename());
OdeoApplication.TraceMessage("Downloading file {0}...", channelItem.Enclosure.Url);
_downloads.Add(download.Guid, download);
download.Start(filename);
}
}
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);
}
public Enclosure(ChannelItem parent)
{
_channelItem = parent;
}
public Thumbnail(ChannelItem parent)
{
_parent = parent;
}