/// <summary>
/// Разбор HTTP-ответа службы
/// </summary>
private static Response ProcessResponse(HttpResult reply)
{
var response = new Response { StatusCode = reply.Code };
var contentType = reply.ContentType;
var ctFields = contentType.Split(';');
var binary = ctFields[0] == "multipart/related";
if (binary)
{
string boundary = null;
for (var i = 1; i < ctFields.Length; i++)
{
var field = ctFields[i].Trim(' ').Split('=');
if (field[0] == "boundary")
{
boundary = field[1].Trim('\"');
break;
}
}
if (boundary == null)
{
throw new ApplicationException("Multipart boundary не найден в заголовке Content-Type");
}
var respData = reply.Content;
var pos = 0;
using (var stream = new MemoryStream(respData))
{
using (var reader = new StreamReader(stream, Encoding.ASCII))
{
Func<string> readLine = () =>
{
// ReSharper disable once AccessToDisposedClosure
var line = reader.ReadLine();
if (line != null)
{
pos += line.Length + 2;
}
return line;
};
Action goToEmpty = () =>
{
string line;
do
{
line = readLine();
} while (!string.IsNullOrWhiteSpace(line));
};
goToEmpty();
var xmlString = readLine();
response.Xml.LoadXml(xmlString);
goToEmpty();
}
}
var length = respData.Length - (pos + boundary.Length + 6);
var rData = new byte[length];
Buffer.BlockCopy(respData, pos, rData, 0, length);
response.Data = rData;
}
else
{
response.Xml.LoadXml(Encoding.UTF8.GetString(reply.Content));
}
return response;
}
/// <summary>
/// Анализ ошбок
/// </summary>
private static Reply ParseReply(HttpResult result)
{
var processedResponse = ProcessResponse(result);
var reply = new Reply
{
Data = processedResponse.Data,
ErrorCode = 0
};
if (processedResponse.StatusCode != HttpStatusCode.OK)
{
reply.ErrorCode = -1;
var faultNode = processedResponse.Xml.GetNodeByLocalName("Fault");
if (faultNode != null)
{
var faultstringNode = faultNode.SelectSingleNode("faultstring");
var reason = faultstringNode != null ? faultstringNode.InnerText : "?";
var faultcodeNode = faultNode.SelectSingleNode("faultcode");
var code = faultcodeNode != null ? faultcodeNode.InnerText : "?";
reply.ErrorDescription = string.Format("FaultException. Code = {0}; Reason = {1};", code, reason);
var detailNode = faultNode.SelectSingleNode("detail");
if (detailNode != null)
{
reply.ErrorDescription += " Detail = " + detailNode.InnerText;
}
}
else
{
reply.ErrorDescription = "Не удалось получить подробности ошибки";
}
}
else
{
var responseNode = processedResponse.Xml.GetNodeByLocalName("return");
reply.Xml = responseNode == null ? null : responseNode.InnerText;
}
return reply;
}