private void UpdateFileDataObject(string oldPath, string newPath)
{
Uri oldUrl = new Uri("file://" + Uri.EscapeUriString(oldPath));
Uri newUrl = new Uri("file://" + Uri.EscapeUriString(newPath));
if (_monitoredFileUris.ContainsKey(oldUrl))
{
try
{
Uri uri = _monitoredFileUris[oldUrl];
FileDataObject file = _model.GetResource <FileDataObject>(uri);
file.Url = newUrl.AbsoluteUri;
file.Commit();
_monitoredFiles.Remove(oldPath);
_monitoredFiles.Add(newPath, new FileInfoCache(newPath));
_monitoredFileUris.Remove(oldUrl);
_monitoredFileUris.Add(newUrl, file.Uri);
Logger.LogInfo("Moved {0}", newPath);
}
catch (Exception e)
{
Logger.LogError(HttpStatusCode.InternalServerError, e);
}
}
else
{
CreateFileDataObject(newPath);
}
}
private FileInfoCache CreateFileDataObject(string path)
{
FileInfoCache file = new FileInfoCache(path);
string queryString = @"
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#>
SELECT ?uri WHERE
{
?uri a nfo:FileDataObject .
?uri nfo:fileUrl """ + file.Url.AbsoluteUri + @""" .
}
LIMIT 1";
SparqlQuery query = new SparqlQuery(queryString);
ISparqlQueryResult result = _model.ExecuteQuery(query);
BindingSet bindings = result.GetBindings().FirstOrDefault();
if (bindings == null)
{
FileDataObject f = _model.CreateResource <FileDataObject>();
f.CreationTime = file.CreationTime;
f.LastAccessTime = file.LastAccessTime;
f.LastModificationTime = file.LastWriteTime;
f.Url = file.Url.AbsoluteUri;
f.Commit();
_monitoredFileUris[file.Url] = f.Uri;
Logger.LogInfo("Created {0}", file.FullName);
}
else
{
_monitoredFileUris[file.Url] = new Uri(bindings["uri"].ToString());
Logger.LogInfo("Updating {0}", file.FullName);
}
return(file);
}