/// <summary>
/// Recursively dumps the current node and its children into an OPML file.
/// </summary>
/// <param name="writer"></param>
public void DumpAsOpml(XmlWriter writer)
{
// Start the element
if (m_bFolder)
{
if (m_parent == null)
{ // root node
writer.WriteStartElement("feeds");
}
else
{
writer.WriteStartElement("group");
writer.WriteAttributeString("title", m_strTitle);
}
// Write the children
IDictionaryEnumerator enumNodes = m_listChildren.GetEnumerator();
while (enumNodes.MoveNext())
{
FeedNode feedNode = (FeedNode)enumNodes.Key;
if (feedNode != null)
{
feedNode.DumpAsOpml(writer);
}
}
}
else
{
writer.WriteStartElement("outline");
writer.WriteAttributeString("text", m_strText);
writer.WriteAttributeString("title", m_strTitle);
writer.WriteAttributeString("type", "rss");
writer.WriteAttributeString("version", "RSS");
writer.WriteAttributeString("xmlUrl", m_strXmlUrl);
writer.WriteAttributeString("htmlUrl", m_strHtmlUrl);
writer.WriteAttributeString("description", m_strDescription);
}
// End the element
writer.WriteEndElement();
}
/// <summary>
/// The thread procedure.
/// </summary>
private void Run()
{
while (true)
{
s_event.WaitOne(); // Sleeping...
Debug.WriteLine("WriteFeedsThread has been woken...");
int iJobs = s_jobs.Count;
if (iJobs > 0)
{
Debug.WriteLine("...found " + iJobs.ToString() + " job(s) waiting to be executed!");
s_bBusy = true;
Job job = (Job)s_jobs.Dequeue();
FeedNode root = job.Root;
try
{
Utils.DeleteFile("feeds.xml.bak");
FileInfo fi = new FileInfo("feeds.xml");
fi.MoveTo("feeds.xml.bak");
}
catch (FileNotFoundException fnfex)
{
Utils.DbgOutExc("WriteFeedsThread::Run()", fnfex);
}
catch (Exception ex)
{
Utils.DbgOutExc("WriteFeedsThread::Run()", ex);
MessageBox.Show("Error while saving feeds:\n\n" + ex.Message, "FeedReader", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
XmlTextWriter writer = null;
try
{
writer = new XmlTextWriter("feeds.xml", Encoding.UTF8);
writer.Formatting = Formatting.Indented;
writer.IndentChar = ' ';
writer.Indentation = 4;
root.DumpAsOpml(writer);
}
catch (Exception ex)
{
Utils.DbgOutExc("WriteFeedsThread::Run()", ex);
MessageBox.Show("Error while saving feeds:\n\n" + ex.Message, "FeedReader", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (writer != null)
{
writer.Close();
}
}
s_bBusy = false;
}
s_event.Reset();
Debug.WriteLine("...Job done!");
if (s_bEnding)
{ // Did you wake me up to terminate?
Debug.WriteLine("Ending the WriteFeeds thread...");
break;
}
}
}
