/// <summary>
///
/// Encapsulate the oodss client requst in a simpler GetMetadata call.
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public async Task <Document> RequestMetadata(ParsedUri uri)
{
Document result = null;
if (_metadataClient != null)
{
Debug.WriteLine("Performing asynchronous call");
ResponseMessage metadataResponse =
_metadataClient.RequestAsync(new MetadataRequest(uri.ToString())).Result;
Debug.WriteLine("Received asynchronous request ");
if (metadataResponse != null && metadataResponse is MetadataResponse)
{
result = (metadataResponse as MetadataResponse).Metadata;
}
else if (metadataResponse != null && metadataResponse is SemanticServiceError)
{
(metadataResponse as SemanticServiceError).Perform();
}
else
{
throw new Exception();
}
}
else
{
var requestUri = new ParsedUri(_serviceBaseUri, "?url=" + uri.AbsoluteUri);
result = await _metadataTypeScope.DeserializeUri(requestUri, Format.Xml) as Document;
}
return(result);
}