/// <summary>
/// Persistence method for the Comment object
/// </summary>
/// <param name="writer">the xmlwriter to write into</param>
public void Save(XmlWriter writer)
{
if (FeedLink != null)
{
// only save out if there is something to save
writer.WriteStartElement(XmlPrefix, XmlName, XmlNameSpace);
FeedLink.Save(writer);
writer.WriteEndElement();
}
}
//////////////////////////////////////////////////////////////////////
/// <summary>Parses an xml node to create a Where object.</summary>
/// <param name="node">the node to parse node</param>
/// <param name="parser">the xml parser to use if we need to dive deeper</param>
/// <returns>the created Where object</returns>
//////////////////////////////////////////////////////////////////////
public IExtensionElementFactory CreateInstance(XmlNode node, AtomFeedParser parser)
{
return(FeedLink.ParseFeedLink(node));
}
/////////////////////////////////////////////////////////////////////////////
#region FeedLink Parser
//////////////////////////////////////////////////////////////////////
/// <summary>Parses an xml node to create an FeedLink object.</summary>
/// <param name="node">feedLink node</param>
/// <returns> the created FeedLink object</returns>
//////////////////////////////////////////////////////////////////////
public static FeedLink ParseFeedLink(XmlNode node)
{
Tracing.TraceCall();
FeedLink link = null;
Tracing.Assert(node != null, "node should not be null");
if (node == null)
{
throw new ArgumentNullException("node");
}
object localname = node.LocalName;
if (localname.Equals(GDataParserNameTable.XmlFeedLinkElement))
{
link = new FeedLink();
if (node.Attributes != null)
{
if (node.Attributes[GDataParserNameTable.XmlAttributeHref] != null)
{
link.Href = node.Attributes[GDataParserNameTable.XmlAttributeHref].Value;
}
if (node.Attributes[GDataParserNameTable.XmlAttributeReadOnly] != null)
{
link.ReadOnly = node.Attributes[GDataParserNameTable.XmlAttributeReadOnly].Value.Equals(Utilities.XSDTrue);
}
if (node.Attributes[GDataParserNameTable.XmlAttributeRel] != null)
{
link.Rel = node.Attributes[GDataParserNameTable.XmlAttributeRel].Value;
}
if (node.Attributes[GDataParserNameTable.XmlAttributeCountHint] != null)
{
try
{
link.CountHint = Int32.Parse(node.Attributes[GDataParserNameTable.XmlAttributeCountHint].Value);
}
catch (FormatException fe)
{
throw new ArgumentException("Invalid g:feedLink/@countHint.", fe);
}
}
}
if (node.HasChildNodes)
{
XmlNode feedChild = node.FirstChild;
while (feedChild != null && feedChild is XmlElement)
{
if (feedChild.LocalName == AtomParserNameTable.XmlFeedElement &&
feedChild.NamespaceURI == BaseNameTable.NSAtom)
{
if (link.Feed == null)
{
link.Feed = new AtomFeed(null, new Service());
Stream feedStream =
new MemoryStream(ASCIIEncoding.Default.GetBytes(feedChild.OuterXml));
link.Feed.Parse(feedStream, AlternativeFormat.Atom);
}
else
{
throw new ArgumentException("Only one feed is allowed inside the g:feedLink");
}
}
feedChild = feedChild.NextSibling;
}
}
}
return(link);
}