//////////////////////////////////////////////////////////////////////
/// <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)
{
Tracing.TraceCall();
RecurrenceException exception = null;
if (node != null)
{
object localname = node.LocalName;
if (localname.Equals(this.XmlName) == false ||
node.NamespaceURI.Equals(this.XmlNameSpace) == false)
{
return(null);
}
}
exception = new RecurrenceException();
if (node != null)
{
if (node.Attributes != null)
{
if (node.Attributes[GDataParserNameTable.XmlAttributeSpecialized] != null)
{
exception.Specialized = bool.Parse(node.Attributes[GDataParserNameTable.XmlAttributeSpecialized].Value);
}
}
if (node.HasChildNodes)
{
XmlNode childNode = node.FirstChild;
while (childNode != null && childNode is XmlElement)
{
if (childNode.LocalName == GDataParserNameTable.XmlEntryLinkElement)
{
exception.EntryLink = EntryLink.ParseEntryLink(childNode, parser);
}
childNode = childNode.NextSibling;
}
}
if (exception.EntryLink == null)
{
throw new ArgumentException("g:recurringException/entryLink is required.");
}
}
return(exception);
}
/////////////////////////////////////////////////////////////////////////////
#region EntryLink Parser
//////////////////////////////////////////////////////////////////////
/// <summary>parses an xml node to create an EntryLink object</summary>
/// <param name="node">entrylink node</param>
/// <param name="parser">AtomFeedParser to use</param>
/// <returns> the created EntryLink object</returns>
//////////////////////////////////////////////////////////////////////
public static EntryLink ParseEntryLink(XmlNode node, AtomFeedParser parser)
{
Tracing.TraceCall();
EntryLink 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.XmlEntryLinkElement))
{
link = new EntryLink();
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.HasChildNodes)
{
XmlNode entryChild = node.FirstChild;
while (entryChild != null && entryChild is XmlElement)
{
if (entryChild.LocalName == AtomParserNameTable.XmlAtomEntryElement &&
entryChild.NamespaceURI == BaseNameTable.NSAtom)
{
if (link.Entry == null)
{
XmlReader reader = new XmlNodeReader(entryChild);
// move the reader to the first node
reader.Read();
parser.NewAtomEntry += new FeedParserEventHandler(link.OnParsedNewEntry);
parser.ParseEntry(reader);
}
else
{
throw new ArgumentException("Only one entry is allowed inside the g:entryLink");
}
}
entryChild = entryChild.NextSibling;
}
}
}
return link;
}
/////////////////////////////////////////////////////////////////////////////
#region EntryLink Parser
//////////////////////////////////////////////////////////////////////
/// <summary>parses an xml node to create an EntryLink object</summary>
/// <param name="node">entrylink node</param>
/// <param name="parser">AtomFeedParser to use</param>
/// <returns> the created EntryLink object</returns>
//////////////////////////////////////////////////////////////////////
public static EntryLink ParseEntryLink(XmlNode node, AtomFeedParser parser)
{
Tracing.TraceCall();
EntryLink 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.XmlEntryLinkElement))
{
link = new EntryLink();
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.HasChildNodes)
{
XmlNode entryChild = node.FirstChild;
while (entryChild != null && entryChild is XmlElement)
{
if (entryChild.LocalName == AtomParserNameTable.XmlAtomEntryElement &&
entryChild.NamespaceURI == BaseNameTable.NSAtom)
{
if (link.Entry == null)
{
XmlReader reader = new XmlNodeReader(entryChild);
// move the reader to the first node
reader.Read();
AtomFeedParser p = new AtomFeedParser();
p.NewAtomEntry += new FeedParserEventHandler(link.OnParsedNewEntry);
p.ParseEntry(reader);
}
else
{
throw new ArgumentException("Only one entry is allowed inside the g:entryLink");
}
}
entryChild = entryChild.NextSibling;
}
}
}
return(link);
}
/// <summary>
/// factory method to create an instance of a batchinterrupt during parsing
/// </summary>
/// <param name="node">the xmlnode that is going to be parsed</param>
/// <param name="parser">the feedparser that is used right now</param>
/// <returns></returns>
public IExtensionElementFactory CreateInstance(XmlNode node, AtomFeedParser parser)
{
return(EntryLink.ParseEntryLink(node, parser));
}