protected override void GetItem(string path)
{
Debug.WriteLine($"GetItem: path= {path}");
var spath = StoragePath.Parse(path);
var client = StorageClient.Create();
switch (spath.Type)
{
case StoragePathType.Empty:
WriteItemObject(this, spath.FullName, true);
break;
case StoragePathType.Bucket:
var bucket = client.Service.Buckets.Get(spath.Bucket).Execute();
WriteItemObject(bucket, spath.FullName, true);
break;
case StoragePathType.Folder:
// TODO: handle implicit folders
var folder = client.GetObject(spath.Bucket, spath.StorageObjectName);
WriteItemObject(folder, spath.FullName, true);
break;
case StoragePathType.File:
var file = client.GetObject(spath.Bucket, spath.StorageObjectName);
WriteItemObject(file, spath.FullName, false);
break;
default:
throw new Exception($"Unknown StoragePathType: {spath.Type}");
}
}
// dir gcs:/
// dir gcs:\
protected override bool ItemExists(string path)
{
Debug.WriteLine($"ItemExists: path= {path}");
var spath = StoragePath.Parse(path);
// TODO: check if the object exists (could be an implicit folder) and cache results
return(true);
}
// ls gcs:
// ls gcs:/
// ls gcs:\
// ls gcs:/bucket
// ls gcs:/bucket/
protected override void GetChildItems(string path, bool recurse)
{
Debug.WriteLine($"GetChildItems: path= {path}, recurse= {recurse}");
var client = StorageClient.Create();
var spath = StoragePath.Parse(path);
// TODO: support for globs
switch (spath.Type)
{
// list the buckets
case StoragePathType.Empty:
foreach (var projectId in GCloud.ListProjects().Select(p => p.projectId))
{
foreach (var bucket in client.ListBuckets(projectId))
{
WriteItemObject(bucket, StoragePath.Parse(bucket.Name).FullName, true);
}
}
break;
case StoragePathType.Bucket:
case StoragePathType.Folder:
// list files
foreach (var file in client.ListFiles(spath.Bucket, spath.Folder))
{
WriteItemObject(file, StoragePath.Parse(spath.Bucket, file.Name).FullName, false);
}
// list folders (TODO: implicit folders)
foreach (var folderName in client.ListFolders(spath.Bucket, spath.Folder))
{
var folder = client.TryGetObject(spath.Bucket, folderName);
if (folder != null)
{
WriteItemObject(folder, StoragePath.Parse(spath.Bucket, folderName).FullName, true);
}
}
break;
case StoragePathType.File:
throw new NotImplementedException("GetChildItems: StoragePathType.File -- files don't have children");
default:
throw new Exception($"Unknown StoragePathType: {spath.Type}");
}
}
protected override bool IsItemContainer(string path)
{
return(StoragePath.Parse(path).Type != StoragePathType.File);
}
protected override bool IsValidPath(string path)
{
Debug.WriteLine($"IsValidPath: path= {path}");
StoragePath.Parse(path);
return(true);
}
