private void InitializeEnumerator()
{
if (this.source.Type == TransferLocationType.AzureFileDirectory)
{
var fileEnumerator = new AzureFileHierarchyEnumerator(this.source as AzureFileDirectoryLocation, this.baseDirectoryTransfer.Source.Instance as CloudFileDirectory);
fileEnumerator.EnumerateContinuationToken = this.enumerateContinuationToken.ListContinuationToken;
fileEnumerator.SearchPattern = this.baseDirectoryTransfer.SearchPattern;
fileEnumerator.Recursive = this.baseDirectoryTransfer.Recursive;
this.transferEnumerator = fileEnumerator;
}
else if (this.source.Type == TransferLocationType.LocalDirectory)
{
var fileEnumerator = new FileHierarchyEnumerator(this.source as DirectoryLocation, this.baseDirectoryTransfer.Source.Instance as string, this.baseDirectoryTransfer.FollowSymblink);
fileEnumerator.EnumerateContinuationToken = this.enumerateContinuationToken.ListContinuationToken;
fileEnumerator.SearchPattern = this.baseDirectoryTransfer.SearchPattern;
fileEnumerator.Recursive = this.baseDirectoryTransfer.Recursive;
this.transferEnumerator = fileEnumerator;
}
else
{
throw new NotSupportedException();
}
}
private static Task CopyDirectoryInternalAsync(TransferLocation sourceLocation, TransferLocation destLocation, bool isServiceCopy, ITransferEnumerator sourceEnumerator, CopyDirectoryOptions options, TransferContext context, CancellationToken cancellationToken)
{
DirectoryTransfer transfer = GetOrCreateDirectoryTransfer(sourceLocation, destLocation, isServiceCopy ? TransferMethod.AsyncCopy : TransferMethod.SyncCopy, context);
if (transfer.SourceEnumerator == null || !AreSameTransferEnumerators(transfer.SourceEnumerator, sourceEnumerator))
{
transfer.SourceEnumerator = sourceEnumerator;
}
if (options != null)
{
transfer.BlobType = options.BlobType;
}
return DoTransfer(transfer, context, cancellationToken);
}
private static bool AreSameTransferEnumerators(ITransferEnumerator enumerator1, ITransferEnumerator enumerator2)
{
TransferEnumeratorBase enumeratorBase1 = enumerator1 as TransferEnumeratorBase;
TransferEnumeratorBase enumeratorBase2 = enumerator2 as TransferEnumeratorBase;
if (enumeratorBase1 != null && enumeratorBase2 != null)
{
if ((enumeratorBase1.Recursive == enumeratorBase2.Recursive) &&
string.Equals(enumeratorBase1.SearchPattern, enumeratorBase2.SearchPattern, StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}
private static Task DownloadDirectoryInternalAsync(TransferLocation sourceLocation, TransferLocation destLocation, ITransferEnumerator sourceEnumerator, TransferContext context, CancellationToken cancellationToken)
{
DirectoryTransfer transfer = GetOrCreateDirectoryTransfer(sourceLocation, destLocation, TransferMethod.SyncCopy, context);
if (transfer.SourceEnumerator == null || !AreSameTransferEnumerators(transfer.SourceEnumerator, sourceEnumerator))
{
transfer.SourceEnumerator = sourceEnumerator;
}
return DoTransfer(transfer, context, cancellationToken);
}