/// <summary>
/// Posts a comment to a newsgroup using NNTP
/// </summary>
/// <param name="item2post">An NNTP item that will be posted to the website</param>
/// <param name="postTarget">An feed that is the post target</param>
/// <param name="credentials">Credentials to use</param>
/// <returns>The NNTP Status code returned</returns>
/// <exception cref="WebException">If an error occurs when the POSTing the
/// comment</exception>
public static void PostCommentViaNntp(INewsItem item2post, INewsFeed postTarget, ICredentials credentials)
{
string comment = item2post.ToString(NewsItemSerializationFormat.NntpMessage);
Encoding enc = Encoding.UTF8, unicode = Encoding.Unicode;
byte[] encBytes = Encoding.Convert(unicode, enc, unicode.GetBytes(comment)); //enc.GetBytes(comment); enough ???
NntpWebRequest request = (NntpWebRequest)WebRequest.Create(postTarget.link);
request.Method = "POST";
if (credentials != null)
{
request.Credentials = credentials;
}
Stream myWriter = null;
try{
myWriter = request.GetRequestStream();
myWriter.Write(encBytes, 0, encBytes.Length);
request.GetResponse();
} catch (Exception e) {
throw new WebException(e.Message, e);
}finally{
if (myWriter != null)
{
myWriter.Close();
}
}
}
public string Name()
{
return(item.ToString());
}
/// <summary>
/// Transform a NewsItem, FeedInfo or FeedInfoList using the specified stylesheet
/// </summary>
/// <param name="stylesheet">The stylesheet to use for transformation</param>
/// <param name="transformTarget">The object to transform</param>
/// <param name="xslArgs"></param>
/// <returns>The results of the transformation</returns>
public virtual string ToHtml(string stylesheet, object transformTarget, XsltArgumentList xslArgs)
{
string link = String.Empty, content = String.Empty;
if (transformTarget == null)
{
return("<html><head><title>empty</title></head><body></body></html>");
}
// use a streamed output to get the "disable-output-escaping"
// working:
StringWriter swr = new StringWriter();
try {
XPathDocument doc;
if (transformTarget is INewsItem)
{
INewsItem item = (INewsItem)transformTarget;
link = item.FeedLink;
content = item.Content;
doc = new XPathDocument(new XmlTextReader(new StringReader(item.ToString(NewsItemSerializationFormat.NewsPaper, false))), XmlSpace.Preserve);
}
else if (transformTarget is IFeedDetails)
{
IFeedDetails feed = (IFeedDetails)transformTarget;
link = feed.Link;
doc = new XPathDocument(new XmlTextReader(new StringReader(feed.ToString(NewsItemSerializationFormat.NewsPaper, false))), XmlSpace.Preserve);
}
else if (transformTarget is FeedInfoList)
{
FeedInfoList feeds = (FeedInfoList)transformTarget;
doc = new XPathDocument(new XmlTextReader(new StringReader(feeds.ToString())), XmlSpace.Preserve);
}
else
{
throw new ArgumentException("transformTarget");
}
XslCompiledTransform transform;
if (this.stylesheetTable.ContainsKey(stylesheet))
{
transform = this.stylesheetTable[stylesheet].CompiledTransform;
}
else
{
transform = this.stylesheetTable[String.Empty].CompiledTransform;
}
// support simple localizations (some common predefined strings to display):
xslArgs.AddExtensionObject("urn:localization-extension", new LocalizerExtensionObject());
transform.Transform(doc, xslArgs, swr);
} catch (ThreadAbortException) {
// ignored
} catch (Exception e) {
this.OnTransformationError(this, new FeedExceptionEventArgs(e, link, SR.ExceptionNewsItemTransformation));
return(content); // try to display unformatted simple text
}
return(swr.ToString());
}