public static Notification Parse(string xml) {
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("atom", ATOM_NS);
nsmgr.AddNamespace("llup", LLUP_NS);
Notification n = new Notification();
XmlElement root = doc.DocumentElement;
n.Action = root.GetAttribute("action");
XmlNode node = null;
XmlNodeList nodes = null;
node = root.SelectSingleNode("/llup:notification/llup:recipient", nsmgr);
if(node != null) {
n.Recipient = ((XmlElement)node).GetAttribute("href");
}
node = root.SelectSingleNode("/llup:notification/atom:published", nsmgr);
if(node != null) {
n.Published = DateTime.Parse(node.InnerText);
}
node = root.SelectSingleNode("/llup:notification/atom:updated", nsmgr);
if(node != null) {
n.Updated = DateTime.Parse(node.InnerText);
}
node = root.SelectSingleNode("/llup:notification/llup:expires", nsmgr);
if(node != null) {
n.Expires = DateTime.Parse(node.InnerText);
}
nodes = root.SelectNodes("/llup:notification/atom:link", nsmgr);
if(nodes != null) {
foreach(XmlElement nd in nodes) {
Link l = new Link(nd.GetAttribute("href"),
nd.GetAttribute("rel"), nd.GetAttribute("type"));
n.Links.Add(l);
}
}
nodes = root.SelectNodes("/llup:notification/atom:author", nsmgr);
if(nodes != null) {
foreach(XmlElement nd in nodes) {
Author a = new Author();
node = nd.SelectSingleNode("./atom:name", nsmgr);
if(node != null) {
a.Name = node.InnerText;
}
node = nd.SelectSingleNode("./atom:uri", nsmgr);
if(node != null) {
a.Uri = node.InnerText;
}
node = nd.SelectSingleNode("./atom:email", nsmgr);
if(node != null) {
a.Email = node.InnerText;
}
n.Authors.Add(a);
}
}
nodes = root.SelectNodes("/llup:notification/atom:category", nsmgr);
if(nodes != null) {
foreach(XmlElement nd in nodes) {
Category c = new Category(nd.GetAttribute("term"),
nd.GetAttribute("scheme"), nd.GetAttribute("label"),
nd.GetAttribute("lang"));
n.Categories.Add(c);
}
}
return n;
}
public static string Xml(Notification n) {
MemoryStream ms = new MemoryStream();
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = false;
settings.Encoding = Encoding.UTF8;
settings.OmitXmlDeclaration = true;
XmlWriter xw = XmlWriter.Create(ms, settings);
string xml = null;
try {
xw.WriteStartElement("llup", "notification", LLUP_NS);
//xw.WriteAttributeString("xmlns", "llup", LLUP_NS);
xw.WriteAttributeString("xmlns", null, ATOM_NS);
if(n.Action != String.Empty) {
xw.WriteAttributeString("action", n.Action);
}
if(n.Recipient != String.Empty) {
xw.WriteStartElement("llup", "recipient", LLUP_NS);
xw.WriteAttributeString("href", n.Recipient);
xw.WriteEndElement();
}
if(n.Published != DateTime.MinValue) {
xw.WriteElementString("published", ATOM_NS,
n.Published.ToString("o"));
}
if(n.Updated != DateTime.MinValue) {
xw.WriteElementString("updated", ATOM_NS,
n.Updated.ToString("o"));
}
if(n.Expires != DateTime.MinValue) {
xw.WriteElementString("llup", "expires", LLUP_NS,
n.Expires.ToString("o"));
}
foreach(Author a in n.Authors) {
xw.WriteStartElement("author", ATOM_NS);
if(a.Name != String.Empty) {
xw.WriteElementString("name", ATOM_NS, a.Name);
}
if(a.Uri != String.Empty) {
xw.WriteElementString("uri", ATOM_NS, a.Uri);
}
if(a.Email != String.Empty) {
xw.WriteElementString("email", ATOM_NS, a.Email);
}
xw.WriteEndElement();
}
foreach(Category c in n.Categories) {
xw.WriteStartElement("category", ATOM_NS);
if(c.Term != String.Empty) {
xw.WriteAttributeString("term", c.Term);
}
if(c.Scheme != String.Empty) {
xw.WriteAttributeString("scheme", c.Scheme);
}
if(c.Label != String.Empty) {
xw.WriteAttributeString("label", c.Label);
}
if(c.Lang != String.Empty) {
xw.WriteAttributeString("xml", "lang", c.Lang);
}
xw.WriteEndElement();
}
foreach(Link l in n.Links) {
xw.WriteStartElement("link", ATOM_NS);
if(l.Rel != String.Empty) {
xw.WriteAttributeString("rel", l.Rel);
}
if(l.Href != String.Empty) {
xw.WriteAttributeString("href", l.Href);
}
if(l.MediaType != String.Empty) {
xw.WriteAttributeString("type", l.MediaType);
}
xw.WriteEndElement();
}
xw.WriteEndElement();
xw.Flush();
} finally {
if(xw != null) {
StreamReader sr = new StreamReader(ms);
ms.Seek(0, SeekOrigin.Begin);
xml = sr.ReadToEnd();
ms.Close();
xw.Close();
}
}
return xml;
}
