/// <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));
}
}
}
}
}
}
public void ParsingGZipDatasetByGZipStreamManual()
{
foreach (String filename in this._manualDatasetTestFiles)
{
TripleStore store = new TripleStore();
String ext = MimeTypesHelper.GetTrueFileExtension(filename);
ext = ext.Substring(1);
MimeTypeDefinition def = MimeTypesHelper.Definitions.Where(d => d.CanParseRdfDatasets && d.SupportsFileExtension(ext)).FirstOrDefault();
Assert.NotNull(def);
IStoreReader reader = def.GetRdfDatasetParser();
reader.Load(store, new StreamReader(new GZipStream(new FileStream(filename, FileMode.Open, FileAccess.Read), CompressionMode.Decompress)));
Assert.Equal(this._g, store.Graphs.First());
}
}
/// <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 " + asm.GetName().Name);
}
else
{
//Resource exists
//Do we have a predefined Parser?
if (parser != null)
{
parser.Load(handler, new StreamParams(s));
}
else
{
//Need to select a Parser or use StringParser
String ext = resource.Substring(resource.LastIndexOf("."));
MimeTypeDefinition def = MimeTypesHelper.GetDefinitions(MimeTypesHelper.GetMimeTypes(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 StreamParams(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();
reader.Close();
}
parser = StringParser.GetDatasetParser(data);
parser.Load(handler, new TextReaderParams(new StringReader(data)));
}
}
}
}
}
public void ParsingGZipDatasetByGZipStreamAuto()
{
foreach (String filename in this._autoDatasetTestFiles)
{
TripleStore store = new TripleStore();
String ext = MimeTypesHelper.GetTrueFileExtension(filename);
ext = ext.Substring(1);
MimeTypeDefinition def = MimeTypesHelper.Definitions.Where(d => d.CanParseRdfDatasets && d.SupportsFileExtension(ext)).FirstOrDefault();
if (def == null)
{
Assert.Fail("Failed to find MIME Type Definition for File Extension ." + ext);
}
IStoreReader reader = def.GetRdfDatasetParser();
reader.Load(store, new StreamReader(new GZipStream(new FileStream(filename, FileMode.Open, FileAccess.Read), CompressionMode.Decompress)));
Assert.AreEqual(this._g, store.Graphs.First(), "Graphs for file " + filename + " were not equal");
}
}
