private void SecureImport(IImportExportProgress iIImportProgress, CancellationToken? iCancelationToken)
{
if (_Done)
return;
_Transaction.Error += ((o, e) => iIImportProgress.SafeReport(e));
_Transaction.Progress += ((o, e) => iIImportProgress.SafeReport(e));
CancellationToken ct = (iCancelationToken != null) ? iCancelationToken.Value : CancellationToken.None;
var listener = new IEventListenerAdaptor(iIImportProgress, _Transaction);
bool Cancelled = false;
using (_Transaction.SessionLock())
{
if (IsCancelled(ct))
return;
try
{
_Importers = _Const(listener);
iIImportProgress.SafeReport(new BeginImport());
bool donesemething = false;
foreach (IImporter Importer in _Importers)
{
if (Cancelled = IsCancelled(ct))
break;
IImporter CurrentImporter = Importer;
while (CurrentImporter != null)
{
donesemething = true;
CurrentImporter.Context = _Transaction;
CurrentImporter = CurrentImporter.Import(listener, ct);
}
}
Cancelled = IsCancelled(ct);
_Transaction.FireFactorizedEvents();
if (!donesemething)
iIImportProgress.SafeReport(new NullMusicImportErrorEventArgs());
else if (!Cancelled)
_Transaction.Commit();
else if (!_IInternalMusicSession.IsEnded)
iIImportProgress.SafeReport(new CancelledImportEventArgs());
_Done = true;
if (!_IInternalMusicSession.IsEnded)
iIImportProgress.SafeReport(new EndImport());
}
catch (ImportExportException iee)
{
iIImportProgress.SafeReport(iee.Error);
_Transaction.FireFactorizedEvents();
iIImportProgress.SafeReport(new EndImport());
}
catch (Exception e)
{
Trace.WriteLine(e);
iIImportProgress.SafeReport(new UnknowError());
_Transaction.FireFactorizedEvents();
iIImportProgress.SafeReport(new EndImport());
}
}
}
protected override void PrivateExport(IImportExportProgress iIImportExportProgress, CancellationToken? iCancellationToken)
{
if (!Directory.Exists(FileDirectory))
{
iIImportExportProgress.SafeReport(new ExportDirectoryNotFound(FileDirectory));
return;
}
_IIC.Error += ((o, e) => iIImportExportProgress.SafeReport(e));
using (_IIC.SessionLock())
{
SizeChecker sc = new SizeChecker(FileDirectory);
foreach (IInternalAlbum Al in AlbumToExport)
{
Al.Visit(sc);
}
if (!sc.End())
{
iIImportExportProgress.SafeReport(new NotEnougthSpace(sc.Checker.ToString()));
return;
}
var listener = new IEventListenerAdaptor(iIImportExportProgress, _IIC);
IAlbumVisitor exp = null;
if (CompactFiles == MusicExportType.Directory)
exp = new SimpleExporter(this, FileDirectory, listener);
else
exp = new FileCompactor(this, FileDirectory, (CompactFiles == MusicExportType.Custo), listener);
foreach (IInternalAlbum Al in AlbumToExport)
{
Al.Visit(exp);
}
if (!exp.End())
{
iIImportExportProgress.SafeReport(new UnableToCreateFile(string.Join(Environment.NewLine, AlbumToExport)));
return;
}
}
_IIC.FireFactorizedEvents();
iIImportExportProgress.SafeReport(new EndExport(AlbumToExport));
}
