public Object Get(EventBean eventBean)
{
var und = eventBean.Underlying;
if (und == null)
{
throw new PropertyAccessException(
"Unexpected null underlying event encountered, expecting System.Xml.XmlNode instance as underlying");
}
XPathNavigator navigator;
var xnode = und as XElement;
if (xnode == null)
{
var node = und as XmlNode;
if (node == null)
{
throw new PropertyAccessException("Unexpected underlying event of type '" + und.GetType().FullName +
"' encountered, expecting System.Xml.XmlNode as underlying");
}
if (Log.IsDebugEnabled)
{
Log.Debug(
"Running XPath '{0}' for property '{1}' against Node XML : {2}",
_expressionText,
_property,
SchemaUtil.Serialize((XmlNode)und));
}
navigator = node.CreateNavigator();
}
else
{
navigator = xnode.CreateNavigator();
}
return(EvaluateXPathGet(
navigator, _expression, _expressionText,
_property, _optionalCastToType, _resultType,
_isCastToArray, _simpleTypeParser));
}
public Object Get(EventBean eventBean)
{
var und = eventBean.Underlying;
if (und == null)
{
throw new PropertyAccessException("Unexpected null underlying event encountered, expecting System.Xml.XmlNode instance as underlying");
}
XPathNavigator navigator;
var xnode = und as XElement;
if (xnode == null)
{
var node = und as XmlNode;
if (node == null)
{
throw new PropertyAccessException("Unexpected underlying event of type '" + und.GetType().FullName +
"' encountered, expecting System.Xml.XmlNode as underlying");
}
if (Log.IsDebugEnabled)
{
Log.Debug(
"Running XPath '{0}' for property '{1}' against Node XML : {2}",
_expressionText,
_property,
SchemaUtil.Serialize((XmlNode)und));
}
navigator = node.CreateNavigator();
}
else
{
navigator = xnode.CreateNavigator();
}
try
{
var result = navigator.Evaluate(_expression);
if (result == null)
{
return(null);
}
// if there is no parser, return xpath expression type
if (_optionalCastToType == null)
{
var nodeIterator = result as XPathNodeIterator;
if (nodeIterator != null)
{
if (nodeIterator.Count == 0)
{
return(null);
}
if (nodeIterator.Count == 1)
{
nodeIterator.MoveNext();
switch (_resultType)
{
case XPathResultType.Any:
return(((System.Xml.IHasXmlNode)nodeIterator.Current).GetNode());
case XPathResultType.String:
return(nodeIterator.Current.TypedValue);
case XPathResultType.Boolean:
return(nodeIterator.Current.ValueAsBoolean);
case XPathResultType.Number:
return(nodeIterator.Current.ValueAsDouble);
default:
return(nodeIterator.Current.TypedValue);
}
}
else
{
return(new XPathIteratorNodeList(nodeIterator));
}
}
return(result);
}
if (_isCastToArray)
{
return(CastToArray(result));
}
if (result is XPathNodeIterator)
{
var nodeIterator = result as XPathNodeIterator;
if (nodeIterator.Count == 0)
{
return(null);
}
if (nodeIterator.Count == 1)
{
nodeIterator.MoveNext();
result = nodeIterator.Current.TypedValue;
}
else
{
if (_simpleTypeParser == null)
{
var resultList = new List <object>();
while (nodeIterator.MoveNext())
{
result = nodeIterator.Current.TypedValue;
resultList.Add(result);
}
return(resultList.ToArray());
}
else
{
throw new NotImplementedException();
}
}
}
// string results get parsed
if (result is String)
{
try
{
return(_simpleTypeParser.Invoke((string)result));
}
catch
{
Log.Warn("Error parsing XPath property named '" + _property + "' expression result '" + result + " as type " + _optionalCastToType.Name);
return(null);
}
}
// coercion
if (result is Double)
{
try
{
return(CoercerFactory.CoerceBoxed(result, _optionalCastToType));
}
catch
{
Log.Warn("Error coercing XPath property named '" + _property + "' expression result '" + result + " as type " + _optionalCastToType.Name);
return(null);
}
}
// check bool type
if (result is Boolean)
{
if (_optionalCastToType != typeof(bool?))
{
Log.Warn("Error coercing XPath property named '" + _property + "' expression result '" + result + " as type " + _optionalCastToType.Name);
return(null);
}
return(result);
}
Log.Warn("Error processing XPath property named '" + _property + "' expression result '" + result + ", not a known type");
return(null);
}
catch (XPathException e) {
throw new PropertyAccessException("Error getting property " + _property, e);
}
}
public Object GetFragment(EventBean eventBean)
{
if (_fragmentFactory == null)
{
return(null);
}
Object und = eventBean.Underlying;
if (und == null)
{
throw new PropertyAccessException("Unexpected null underlying event encountered, expecting System.Xml.XmlNode instance as underlying");
}
var node = und as XmlNode;
if (node == null)
{
throw new PropertyAccessException("Unexpected underlying event of type '" + und.GetType().FullName + "' encountered, expecting System.Xml.XmlNode as underlying");
}
try {
if (Log.IsDebugEnabled)
{
Log.Debug(
"Running XPath '{0}' for property '{1}' against Node XML : {2}",
_expressionText,
_property,
SchemaUtil.Serialize((XmlNode)und));
}
var navigator = node.CreateNavigator();
var result = navigator.Evaluate(_expression);
if (result == null)
{
return(null);
}
if (result is XPathNodeIterator)
{
var nodeIterator = result as XPathNodeIterator;
if (nodeIterator.Count == 0)
{
return(null);
}
if (nodeIterator.Count == 1)
{
nodeIterator.MoveNext();
return(_fragmentFactory.GetEvent(((IHasXmlNode)nodeIterator.Current).GetNode()));
}
var events = new List <EventBean>();
while (nodeIterator.MoveNext())
{
events.Add(_fragmentFactory.GetEvent(((IHasXmlNode)nodeIterator.Current).GetNode()));
}
return(events.ToArray());
}
Log.Warn("Error processing XPath property named '" + _property + "' expression result is not of type Node or Nodeset");
return(null);
}
catch (XPathException e)
{
throw new PropertyAccessException("Error getting property " + _property, e);
}
}
