protected override async Task <IReadOnlyCollection <Blob> > ListAtAsync(string path, ListOptions options, CancellationToken cancellationToken)
{
ObjectsResource.ListRequest request = _client.Service.Objects.List(_bucketName);
request.Prefix = StoragePath.IsRootPath(path) ? null : (NormalisePath(path) + "/");
request.Delimiter = "/";
var page = new List <Blob>();
do
{
Objects serviceObjects = await request.ExecuteAsync(cancellationToken : cancellationToken).ConfigureAwait(false);
if (serviceObjects.Items != null)
{
page.AddRange(GConvert.ToBlobs(serviceObjects.Items, options));
}
if (serviceObjects.Prefixes != null)
{
//the only info we have about prefixes is it's name
page.AddRange(serviceObjects.Prefixes.Select(p => new Blob(p, BlobItemKind.Folder)));
}
request.PageToken = serviceObjects.NextPageToken;
}while(request.PageToken != null);
return(page);
}
private async Task <IReadOnlyCollection <Blob> > LegacyListAtAsync(string path, ListOptions options, CancellationToken cancellationToken)
{
PagedAsyncEnumerable <Objects, Object> objects = _client.ListObjectsAsync(
_bucketName,
StoragePath.IsRootPath(options.FolderPath) ? null : options.FolderPath,
new ListObjectsOptions
{
Delimiter = options.Recurse ? null : "/"
});
return(await GConvert.ToBlobsAsync(objects, options).ConfigureAwait(false));
}
protected override async Task <Blob> GetBlobAsync(string fullPath, CancellationToken cancellationToken)
{
fullPath = NormalisePath(fullPath);
try
{
Object obj = await _client.GetObjectAsync(_bucketName, fullPath,
new GetObjectOptions
{
//todo
},
cancellationToken).ConfigureAwait(false);
return(GConvert.ToBlob(obj));
}
catch (GoogleApiException ex) when(ex.HttpStatusCode == HttpStatusCode.NotFound)
{
return(null);
}
}