public static bool DecodeMrnData(XmlFragmentList fragmentList, out MrnMsgList mrnList, out string errorMsg)
{
var result = Task.Run(() => DecodeMrnDataAsync(fragmentList)).Result;
mrnList = result.Item2;
errorMsg = result.Item3;
return(result.Item1);
}
public static async Task <Tuple <bool, MrnMsgList, string> > DecodeMrnDataAsync(XmlFragmentList fragmentList)
{
var mrnList = new MrnMsgList();
var errorMsg = string.Empty;
await Task.Run(() =>
{
try
{
List <XElement> elements;
foreach (var fragment in fragmentList.Fragments)
{
//process Attribues
if (string.IsNullOrEmpty(fragment.RawXmlData))
{
continue;
}
var list = XmlHelper.GetElement(fragment.RawXmlData, fragment.RdmMessageType);
elements = list.ToList();
if (!elements.Any())
{
continue;
}
var mrndata = new MrnMsg(StringtoType(fragment.RdmMessageType));
if (elements.First().HasAttributes)
{
var elementAttribs = new Dictionary <string, string>();
foreach (var attrib in elements.First().Attributes())
{
elementAttribs.Add(attrib.Name.LocalName, attrib.Value);
}
// The following check is for EMA Java as it use domainType News_TEXT_ANALYTICS rather than RSSL_DMT_NEWS_TEXT_ANALYTICS as C++ and .NET
mrndata.DomainType = elementAttribs["domainType"] == "NEWS_TEXT_ANALYTICS"
? "RSSL_DMT_NEWS_TEXT_ANALYTICS"
: elementAttribs["domainType"];
mrndata.SetFragmentAttribs(elementAttribs);
}
//process Key
var keys = XmlHelper.GetElement(fragment.RawXmlData, "key");
var enumerable = keys.ToList();
if (enumerable.Any())
{
mrndata.ContainsKey = true;
var keysAttrib = new Dictionary <string, string>();
foreach (var key in enumerable.First().Attributes())
{
if (key.Name == "name")
{
mrndata.RequestKeyName = key.Value;
}
keysAttrib.Add(key.Name.LocalName, key.Value);
}
mrndata.SetKeyAtrribs(keysAttrib);
}
if (mrndata.DomainType == "RSSL_DMT_NEWS_TEXT_ANALYTICS" ||
mrndata.DomainType == "RSSL_DMT_MARKET_PRICE")
{
//process fieldList
var fields = XmlHelper.GetElement(fragment.RawXmlData, "fieldEntry");
var xElements = fields.ToList();
if (xElements.Any())
{
mrndata.ContainsFieldList = true;
var fieldEntrys = new Dictionary <int, string>();
foreach (var elem in xElements)
{
var fid = from id in elem.Attributes()
where id.Name == "fieldId"
select id.Value;
var fidId = int.Parse(fid.First().Trim());
var fValue = from fieldvalue in elem.Attributes()
where fieldvalue.Name == "data"
select fieldvalue.Value;
var pBuffer = new string(fValue.First().ToCharArray()
.Where(c => !char.IsWhiteSpace(c))
.ToArray());
//4271 is GUID.
fieldEntrys.Add(fidId,
fidId == 4271
? Encoding.UTF8.GetString(
RdmDataConverter.StringToByteArray(pBuffer.Trim()))
: pBuffer);
}
mrndata.SetFieldList(fieldEntrys);
}
}
mrndata.FragmentNumber = fragment.FragmentNumber;
mrnList.Add(fragment.FragmentNumber, mrndata);
}
}
catch (Exception ex)
{
errorMsg = $"DecodeMrnData error {ex.Message}\r\n{ex.StackTrace}";
return(new Tuple <bool, MrnMsgList, string>(false, mrnList, errorMsg));
}
return(new Tuple <bool, MrnMsgList, string>(true, mrnList, errorMsg));
});
return(new Tuple <bool, MrnMsgList, string>(true, mrnList, errorMsg));
}