private System.Net.Http.Formatting.MediaTypeFormatter theFormatter <T>(T value, string mediaType)
{
System.Net.Http.Formatting.MediaTypeFormatter formatter = null;
if (mediaType == OSLC4Net.Core.Model.OslcMediaType.APPLICATION_JSON)
{
formatter = new OSLC4Net.Core.JsonProvider.JsonMediaTypeFormatter();
}
else if (mediaType == OSLC4Net.Core.Model.OslcMediaType.APPLICATION_RDF_XML)
{
ISet <System.Net.Http.Formatting.MediaTypeFormatter> formatters =
new HashSet <System.Net.Http.Formatting.MediaTypeFormatter>();
formatters.Add(new RdfXmlMediaTypeFormatter());
formatter = new System.Net.Http.Formatting.MediaTypeFormatterCollection(formatters).FindWriter(value.GetType(),
new System.Net.Http.Headers.MediaTypeHeaderValue(mediaType));
}
return(formatter);
}
public IEnumerable <T> DeserializeCollection <T>(
string strRDF,
IEnumerable <T> value,
string contentType,
string descriptionAbout = null,
string responseInfoAbout = null,
string nextPageAbout = null) where T : class
{
if (String.IsNullOrEmpty(descriptionAbout))
{
descriptionAbout = "http://com/undefined/descriptionAbout";
}
if (String.IsNullOrEmpty(responseInfoAbout))
{
responseInfoAbout = "http://com/undefined/responseInfoAbout";
}
if (String.IsNullOrEmpty(responseInfoAbout))
{
responseInfoAbout = "http://com/undefined/nextPageAbout";
}
Stream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream);
HttpContent content = new StreamContent(stream);
System.Net.Http.Formatting.MediaTypeFormatter formatter = null;
if (contentType == OslcMediaType.APPLICATION_JSON)
{
JsonValue json = OSLC4Net.Core.JsonProvider.JsonHelper.CreateJson(
descriptionAbout,
responseInfoAbout,
nextPageAbout,
null,
value,
null);
formatter = new OSLC4Net.Core.JsonProvider.JsonMediaTypeFormatter(json, false);
content.Headers.ContentType = OslcMediaType.APPLICATION_JSON_TYPE;
}
else if (contentType == OslcMediaType.APPLICATION_RDF_XML)
{
IGraph rdfGraph = DotNetRdfHelper.CreateDotNetRdfGraph(
descriptionAbout,
responseInfoAbout,
nextPageAbout,
null,
value,
null);
formatter = new RdfXmlMediaTypeFormatter(rdfGraph);
content.Headers.ContentType = OslcMediaType.APPLICATION_RDF_XML_TYPE;
}
if (formatter == null)
{
return(null);
}
writer.Write(strRDF);
writer.Flush();
stream.Position = 0;
return(formatter.ReadFromStreamAsync(typeof(List <T>), stream, content, null).Result as IEnumerable <T>);
}
