/// <summary>
/// </summary>
/// <param name="settings"> </param>
/// <exception cref="WebException"></exception>
/// <returns> </returns>
public virtual XmlReader LoadContentFromXml(XmlReaderSettings settings)
{
var i = 0;
if (string.IsNullOrEmpty(ContentLocation))
{
throw new InvalidOperationException("Property ContentLocation must be set prior to retrieving channels.");
}
var transforms = new ChannelTransforms();
try
{
if (IsNetworkAvailable)
{
return(transforms.TransformContent(XmlReader.Create(ContentLocation, settings)));
}
i++;
throw new WebException(Resources.Properties.Resources.NetworkConnectionError
, WebExceptionStatus.ConnectFailure);
}
// poor style, but these are recoverable exceptions. only throw after reattempting method call 3 times
catch (XmlException exc)
{
Trace.WriteLine(string.Format("{0} {1} occurred in {2}", exc.GetType(), exc.Message, GetType()),
TraceCategory.Exception.ToString());
if (i <= 3)
{
Trace.WriteLine(
string.Format("Attempt #{0} for loading {1}", i.ToString(CultureInfo.InvariantCulture),
ContentLocation),
TraceCategory.Exception.ToString());
return(LoadContentFromXml(settings));
}
throw;
}
catch (Exception exc)
{
Trace.WriteLine(string.Format("{0} {1} occurred in {2}", exc.GetType(), exc.Message, GetType()),
TraceCategory.Exception.ToString());
if (i <= 3)
{
Trace.WriteLine(
string.Format("Attempt #{0} for loading {1}", i.ToString(CultureInfo.InvariantCulture),
ContentLocation), TraceCategory.Exception.ToString());
return(LoadContentFromXml(settings));
}
throw;
}
}
protected internal XmlReader LoadXmlData()
{
_readerSettings = new XmlReaderSettings
{
IgnoreComments = true, IgnoreWhitespace = true, DtdProcessing = DtdProcessing.Prohibit
};
// EDGE CASE PROCESSING GOES HERE
var transform = new ChannelTransforms();
if (IsNetworkAvailable)
{
return
(transform.TransformContent(XmlReader.Create(C.Settings.Default.DIPlaylistXml, _readerSettings)));
}
throw new WebException(Resources.Properties.Resources.NetworkConnectionError
, WebExceptionStatus.ConnectFailure);
}