private void OnParseWork(Object state)
{
try
{
AdDescriptor adDescriptor = null;
System.IO.Stream stream = state as System.IO.Stream;
System.Xml.XmlReaderSettings readerSettings = new System.Xml.XmlReaderSettings();
readerSettings.IgnoreWhitespace = true;
readerSettings.IgnoreComments = true;
readerSettings.IgnoreProcessingInstructions = true;
System.Xml.XmlReader reader = System.Xml.XmlReader.Create(stream, readerSettings);
Dictionary <string, string> adInfo = new Dictionary <string, string>();
while (reader.Read())
{
if (reader.IsStartElement())
{
if (reader.Name == "error")
{
string errorCode = reader.GetAttribute("code");
string errorMessage = string.Empty;
// read past the name
reader.Read();
// read the contents
switch (reader.NodeType)
{
case System.Xml.XmlNodeType.CDATA:
case System.Xml.XmlNodeType.Text:
errorMessage = reader.ReadContentAsString();
break;
}
if (this.errorCallback != null)
{
this.errorCallback(this, errorCode, errorMessage);
Cancel();
}
// no need to parse anything else
break;
}
else if (reader.Name == "ad")
{
string adType = reader.GetAttribute("type");
adInfo["type"] = adType;
// read each child node (passing ad node first)
while (reader.Read())
{
if (reader.IsStartElement() == false)
{
if ((reader.NodeType == System.Xml.XmlNodeType.EndElement) && (reader.Name == "ad"))
{
// done with the descriptor
break;
}
// advance to start of next descriptor property
continue;
}
string name = reader.Name;
// read past the name
reader.Read();
// read the content which may be text or cdata from the ad server
string value = null;
switch (reader.NodeType)
{
case System.Xml.XmlNodeType.CDATA:
case System.Xml.XmlNodeType.Text:
value = reader.ReadContentAsString();
break;
}
if ((string.IsNullOrEmpty(name) == false) && (string.IsNullOrEmpty(value) == false))
{
adInfo[name] = value;
}
}
adDescriptor = new AdDescriptor(adInfo);
// no need to parse anything else
break;
}
}
}
if (this.completedCallback != null)
{
this.completedCallback(this, adDescriptor);
}
}
catch (Exception ex)
{
if (this.failedCallback != null)
{
this.failedCallback(this, ex);
}
}
Cancel();
}
private void OnParseWork(Object state)
{
try
{
AdDescriptor adDescriptor = null;
System.IO.Stream stream = state as System.IO.Stream;
System.Xml.XmlReaderSettings readerSettings = new System.Xml.XmlReaderSettings();
readerSettings.IgnoreWhitespace = true;
readerSettings.IgnoreComments = true;
readerSettings.IgnoreProcessingInstructions = true;
System.Xml.XmlReader reader = System.Xml.XmlReader.Create(stream, readerSettings);
Dictionary<string, string> adInfo = new Dictionary<string, string>();
while (reader.Read())
{
if (reader.IsStartElement())
{
if (reader.Name == "error")
{
string errorCode = reader.GetAttribute("code");
string errorMessage = string.Empty;
// read past the name
reader.Read();
// read the contents
switch (reader.NodeType)
{
case System.Xml.XmlNodeType.CDATA:
case System.Xml.XmlNodeType.Text:
errorMessage = reader.ReadContentAsString();
break;
}
if (this.errorCallback != null)
{
this.errorCallback(this, errorCode, errorMessage);
Cancel();
}
// no need to parse anything else
break;
}
else if (reader.Name == "ad")
{
string adType = reader.GetAttribute("type");
adInfo["type"] = adType;
// read each child node (passing ad node first)
while (reader.Read())
{
if (reader.IsStartElement() == false)
{
if ((reader.NodeType == System.Xml.XmlNodeType.EndElement) && (reader.Name == "ad"))
{
// done with the descriptor
break;
}
// advance to start of next descriptor property
continue;
}
string name = reader.Name;
// read past the name
reader.Read();
// read the content which may be text or cdata from the ad server
string value = null;
switch (reader.NodeType)
{
case System.Xml.XmlNodeType.CDATA:
case System.Xml.XmlNodeType.Text:
value = reader.ReadContentAsString();
break;
}
if ((string.IsNullOrEmpty(name) == false) && (string.IsNullOrEmpty(value) == false))
{
adInfo[name] = value;
}
}
adDescriptor = new AdDescriptor(adInfo);
// no need to parse anything else
break;
}
}
}
if (this.completedCallback != null)
{
this.completedCallback(this, adDescriptor);
}
}
catch (Exception ex)
{
if (this.failedCallback != null)
{
this.failedCallback(this, ex);
}
}
Cancel();
}
