private XmlNode FindXmlNode(string xpath, string prefixes)
{
XmlNode node = null;
if (prefixes == null || prefixes.Length < 1)
{
node = _doc.SelectSingleNode(xpath);
}
else
{
XmlNamespaceManager nsm = new XmlNamespaceManager(_doc.NameTable);
XSLTExtension.FillXmlNamespaceManager(nsm, prefixes);
//int i = 0;
//string[] prefixList = prefixes.Split('|');
//while (i < prefixList.Length)
//{
// string prefix = prefixList[i].Trim();
// if (++i >= prefixList.Length) break;
// string nsURI = prefixList[i++].Trim();
// nsm.AddNamespace(prefix, nsURI);
//}
node = _doc.SelectSingleNode(xpath, nsm);
}
return(node);
}
public string GetMessageKeyword(string xmlString, string xpath, string prefixDef)
{
if (xpath == null || xpath.Length < 1)
{
return("");
}
if (xmlString == null || xmlString.Length < 1)
{
return("");
}
try
{
using (StringReader sr = new StringReader(xmlString))
{
XPathDocument doc = new XPathDocument(sr);
XPathNavigator nvg = doc.CreateNavigator();
XmlNamespaceManager nsMgr = null;
if (prefixDef != null && prefixDef.Length > 0)
{
nsMgr = new XmlNamespaceManager(nvg.NameTable);
XSLTExtension.FillXmlNamespaceManager(nsMgr, prefixDef);
}
object o = (nsMgr == null) ? nvg.Evaluate(xpath) : nvg.Evaluate(xpath, nsMgr);
string value = (o != null) ? o.ToString() : ""; //"(null)";
XPathNodeIterator i = o as XPathNodeIterator;
if (i != null)
{
StringBuilder sb = new StringBuilder();
while (i.MoveNext())
{
sb.Append(i.Current.Value); //.Append(';');
}
value = sb.ToString(); //.TrimEnd(';');
}
return(value);
}
}
catch (Exception e)
{
_context.Log.Write(e);
return(""); //"(error)";
}
}