private Stream GetStreamFromAppropiateConnector(string path = "")
{
Stream result = null;
if (_connector != null)
{
result = _connector.GetData(path);
}
if (_v1Connector != null)
{
_v1Connector.UseMetaApi();
result = _v1Connector.GetData(path);
}
return(result);
}
public Stream GetReadStream(string key)
{
Stream result = null;
if (!string.IsNullOrEmpty(key))
{
if (_connector != null)
{
result = _connector.GetData(key.Substring(key.LastIndexOf('/') + 1));
}
else if (_v1Connector != null)
{
result = _v1Connector.GetData(key.Substring(key.LastIndexOf('/') + 1));
}
}
return(result);
}
public QueryResult Retrieve(Query query)
{
var doc = new XmlDocument();
try
{
Stream stream;
if (_connector != null)
{
stream = _connector.GetData(new QueryURLBuilder(query).ToString());
}
else
{
if (query.IsHistorical)
{
_v1Connector.UseHistoryApi();
}
else
{
_v1Connector.UseDataApi();
}
stream = _v1Connector.GetData(new QueryURLBuilder(query, true).ToString());
}
doc.Load(stream);
stream.Dispose();
}
catch (WebException ex)
{
//if we get a 404, return an empty query result otherwise throw the exception
if ((ex.Response is HttpWebResponse && ((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.NotFound) || ex.Status.ToString() == "404")
{
return(GetEmptyQueryResult(query));
}
throw;
}
return(ParseQueryResult(doc.DocumentElement, query));
}