/// <summary>
/// Internal Helper method which does the actual loading of the Triple Store from the Resource
/// </summary>
/// <param name="handler">RDF Handler to use</param>
/// <param name="asm">Assembly to get the resource stream from</param>
/// <param name="resource">Full name of the Resource (without the Assembly Name)</param>
/// <param name="parser">Parser to use (if null will be auto-selected)</param>
private static void LoadDatasetInternal(IRdfHandler handler, Assembly asm, String resource, IStoreReader parser)
{
//Resource is in the given assembly
using (Stream s = asm.GetManifestResourceStream(resource))
{
if (s == null)
{
//Resource did not exist in this assembly
throw new RdfParseException("The Embedded Resource '" + resource + "' does not exist inside of " + GetAssemblyName(asm));
}
else
{
//Resource exists
//Do we have a predefined Parser?
if (parser != null)
{
parser.Load(handler, new StreamReader(s));
}
else
{
//Need to select a Parser or use StringParser
String ext = MimeTypesHelper.GetTrueResourceExtension(resource);
MimeTypeDefinition def = MimeTypesHelper.GetDefinitionsByFileExtension(ext).FirstOrDefault(d => d.CanParseRdfDatasets);
if (def != null)
{
//Resource has an appropriate file extension and we've found a candidate parser for it
parser = def.GetRdfDatasetParser();
parser.Load(handler, new StreamReader(s));
}
else
{
//See if the format was actually an RDF graph instead
def = MimeTypesHelper.GetDefinitionsByFileExtension(ext).FirstOrDefault(d => d.CanParseRdf);
if (def != null)
{
IRdfReader rdfParser = def.GetRdfParser();
rdfParser.Load(handler, new StreamReader(s));
}
else
{
//Resource did not have a file extension or we didn't have a parser associated with the extension
//Try using StringParser instead
String data;
using (StreamReader reader = new StreamReader(s))
{
data = reader.ReadToEnd();
#if !PORTABLE
reader.Close();
#endif
}
parser = StringParser.GetDatasetParser(data);
parser.Load(handler, new StringReader(data));
}
}
}
}
}
}