/// <summary>
/// Initializes a new instance of ViddlerRequestException class.
/// </summary>
internal ViddlerRequestException(ViddlerResponseError error, Exception innerException)
: base(string.Concat(error.Code, " - ", error.Description, ": ", error.Details), innerException)
{
this.code = error.Code;
this.details = error.Details;
this.description = error.Description;
}
/// <summary>
/// Initializes a new instance of ViddlerRequestException class.
/// </summary>
internal ViddlerRequestException(ViddlerResponseError error, Exception innerException)
: base(string.Concat(error.Code, " - ", error.Description, ": ", error.Details), innerException)
{
this.code = error.Code;
this.details = error.Details;
this.description = error.Description;
}
/// <summary>
/// Handles a web response from the remote server.
/// </summary>
private static DataType HandleHttpResponse <ContractType, DataType>(HttpWebRequest request, ViddlerMethodAttribute methodAttribute, string dumpPath)
{
DataType responseObject = default(DataType);
using (WebResponse response = request.GetResponse())
{
using (Stream responseStream = response.GetResponseStream())
{
using (MemoryStream stream = new MemoryStream())
{
int count;
byte[] buffer = new byte[1024];
do
{
count = responseStream.Read(buffer, 0, 1024);
stream.Write(buffer, 0, count);
} while (count > 0); // copy response stream to "seek-enabled" stream
if (!string.IsNullOrEmpty(dumpPath))
{
ViddlerService.DumpResposeToFile(dumpPath, stream, methodAttribute.MethodName, request.RequestUri.ToString());
}
stream.Position = 0;
string messageType = string.Empty;
XmlReaderSettings readerSettings = new XmlReaderSettings();
readerSettings.CloseInput = false;
readerSettings.IgnoreComments = true;
readerSettings.IgnoreProcessingInstructions = true;
using (XmlReader reader = XmlReader.Create(stream, readerSettings))
{
if (reader.MoveToContent() == XmlNodeType.Element)
{
messageType = reader.LocalName;
}
}
stream.Position = 0;
if (messageType.Equals(methodAttribute.ElementName, StringComparison.Ordinal))
{
try
{
XmlSerializer serializer = new XmlSerializer(typeof(ContractType));
responseObject = (DataType)serializer.Deserialize(stream);
}
catch (Exception exception)
{
if (exception.InnerException != null && exception.InnerException.GetType() == typeof(System.FormatException)) // XmlSerializer has problems with parsing primitive types - removing empty nodes, which are deserialized to properties of primitive type
{
stream.Position = 0;
Dictionary <string, Type> nodesToCheck = ViddlerHelper.GetExpectedPrimitiveTypeNodes(typeof(ContractType));
XmlDocument responseXml = new XmlDocument();
responseXml.PreserveWhitespace = true;
responseXml.Load(stream);
foreach (string node in nodesToCheck.Keys)
{
foreach (XmlNode xmlNode in responseXml.SelectNodes(node))
{
if (string.IsNullOrEmpty(xmlNode.InnerText.Trim()))
{
xmlNode.ParentNode.RemoveChild(xmlNode);
}
}
}
using (MemoryStream xmlStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(responseXml.OuterXml)))
{
XmlSerializer serializer = new XmlSerializer(typeof(ContractType));
responseObject = (DataType)serializer.Deserialize(xmlStream);
}
}
else
{
throw;
}
}
}
else if (messageType.Equals("error", StringComparison.Ordinal))
{
XmlSerializer serializer = new XmlSerializer(typeof(ViddlerResponseError));
ViddlerResponseError errorObject = (ViddlerResponseError)serializer.Deserialize(stream);
throw new ViddlerRequestException(errorObject, null);
}
else
{
XmlDocument responseXml = new XmlDocument();
responseXml.PreserveWhitespace = true;
responseXml.Load(stream);
throw new System.InvalidOperationException(responseXml.OuterXml);
}
}
}
}
return(responseObject);
}
