public override IEnumerable <ILocation> GetFiles(bool recurse)
{
if (recurse)
{
return(GetFiles(false).Union(GetDirectories(false).SelectMany(each => each.GetFiles(true))));
}
if (IsContainer)
{
return(CloudContainer.ListBlobs().Where(each => each is ICloudBlob && !(each as ICloudBlob).Name.EndsWith("/")).Select(each => new AzureLocation(_driveInfo, new Path {
HostAndPort = Path.HostAndPort,
Container = Path.Container,
SubPath = Path.ParseUrl(each.Uri).Name,
}, each)));
}
if (IsDirectory)
{
var cbd = (_cloudItem.Value as CloudBlobDirectory);
return(cbd == null?Enumerable.Empty <ILocation>() : cbd.ListBlobs().Where(each => each is ICloudBlob && !(each as ICloudBlob).Name.EndsWith("/")).Select(each => new AzureLocation(_driveInfo, new Path {
HostAndPort = Path.HostAndPort,
Container = Path.Container,
SubPath = Path.SubPath + '\\' + Path.ParseUrl(each.Uri).Name,
}, each)));
}
return(Enumerable.Empty <AzureLocation>());
}
public AzureLocation(AzureDriveInfo driveInfo, Path path, IListBlobItem cloudItem) {
_driveInfo = driveInfo;
Path = path;
Path.Validate();
if (cloudItem != null) {
_cloudItem = new AsyncLazy<IListBlobItem>(() => {
if (cloudItem is CloudBlockBlob) {
(cloudItem as CloudBlockBlob).FetchAttributes();
}
return cloudItem;
});
} else {
if (IsRootNamespace || IsAccount || IsContainer) {
// azure namespace mount.
_cloudItem = new AsyncLazy<IListBlobItem>(() => null);
return;
}
_cloudItem = new AsyncLazy<IListBlobItem>(() => {
if (CloudContainer == null) {
return null;
}
// not sure if it's a file or a directory.
if (path.EndsWithSlash) {
// can't be a file!
CloudContainer.GetDirectoryReference(Path.SubPath);
}
// check to see if it's a file.
ICloudBlob blobRef = null;
try {
blobRef = CloudContainer.GetBlobReferenceFromServer(Path.SubPath);
if (blobRef != null && blobRef.BlobType == BlobType.BlockBlob) {
blobRef.FetchAttributes();
return blobRef;
}
} catch {
}
// well, we know it's not a file, container, or account.
// it could be a directory (but the only way to really know that is to see if there is any files that have this as a parent path)
var dirRef = CloudContainer.GetDirectoryReference(Path.SubPath);
if (dirRef.ListBlobs().Any()) {
return dirRef;
}
blobRef = CloudContainer.GetBlockBlobReference(Path.SubPath);
if (blobRef != null && blobRef.BlobType == BlobType.BlockBlob) {
return blobRef;
}
// it really didn't match anything, we'll return the reference to the blob in case we want to write to it.
return blobRef;
});
_cloudItem.InitializeAsync();
}
}
public override ILocation GetChildLocation(string relativePath)
{
return(new AzureLocation(_driveInfo, Path.ParseWithContainer(AbsolutePath + "\\" + relativePath), null));
}
public AzureLocation(AzureDriveInfo driveInfo, Path path, IListBlobItem cloudItem)
{
_driveInfo = driveInfo;
Path = path;
Path.Validate();
if (cloudItem != null)
{
_cloudItem = new AsyncLazy <IListBlobItem>(() => {
if (cloudItem is CloudBlockBlob)
{
(cloudItem as CloudBlockBlob).FetchAttributes();
}
return(cloudItem);
});
}
else
{
if (IsRootNamespace || IsAccount || IsContainer)
{
// azure namespace mount.
_cloudItem = new AsyncLazy <IListBlobItem>(() => null);
return;
}
_cloudItem = new AsyncLazy <IListBlobItem>(() => {
if (CloudContainer == null)
{
return(null);
}
// not sure if it's a file or a directory.
if (path.EndsWithSlash)
{
// can't be a file!
CloudContainer.GetDirectoryReference(Path.SubPath);
}
// check to see if it's a file.
ICloudBlob blobRef = null;
try {
blobRef = CloudContainer.GetBlobReferenceFromServer(Path.SubPath);
if (blobRef != null && blobRef.BlobType == BlobType.BlockBlob)
{
blobRef.FetchAttributes();
return(blobRef);
}
} catch {
}
// well, we know it's not a file, container, or account.
// it could be a directory (but the only way to really know that is to see if there is any files that have this as a parent path)
var dirRef = CloudContainer.GetDirectoryReference(Path.SubPath);
if (dirRef.ListBlobs().Any())
{
return(dirRef);
}
blobRef = CloudContainer.GetBlockBlobReference(Path.SubPath);
if (blobRef != null && blobRef.BlobType == BlobType.BlockBlob)
{
return(blobRef);
}
// it really didn't match anything, we'll return the reference to the blob in case we want to write to it.
return(blobRef);
});
_cloudItem.InitializeAsync();
}
}
public override IEnumerable <ILocation> GetDirectories(bool recurse)
{
if (_invalidLocation)
{
return(Enumerable.Empty <AzureLocation>());
}
if (recurse)
{
var dirs = GetDirectories(false);
return(dirs.Union(dirs.SelectMany(each => each.GetDirectories(true))));
}
if (IsRootNamespace)
{
// list accounts we know
return(AzureProviderInfo.NamespaceProvider.Drives
.Select(each => each as AzureDriveInfo)
.Where(each => !string.IsNullOrEmpty(each.HostAndPort))
.Distinct(new ClrPlus.Core.Extensions.EqualityComparer <AzureDriveInfo>((a, b) => a.HostAndPort == b.HostAndPort, a => a.HostAndPort.GetHashCode()))
.Select(each => new AzureLocation(each, new Path {
HostAndPort = each.HostAndPort,
Container = string.Empty,
SubPath = string.Empty,
}, null)));
}
if (IsAccount)
{
return(_driveInfo.CloudFileSystem.ListContainers().Select(each => new AzureLocation(_driveInfo, new Path {
HostAndPort = Path.HostAndPort,
Container = each.Name,
}, null)));
}
if (IsContainer)
{
return(ListSubdirectories(CloudContainer).Select(each => new AzureLocation(_driveInfo, new Path {
HostAndPort = Path.HostAndPort,
Container = Path.Container,
SubPath = Path.ParseUrl(each.Uri).Name,
}, each)));
}
if (IsDirectory)
{
var cbd = (_cloudItem.Value as CloudBlobDirectory);
return(cbd == null
? Enumerable.Empty <ILocation>()
: ListSubdirectories(cbd).Select(each => {
return new AzureLocation(_driveInfo, new Path {
HostAndPort = Path.HostAndPort,
Container = Path.Container,
SubPath = Path.SubPath + '\\' + Path.ParseUrl(each.Uri).Name,
}, each);
}));
}
return(Enumerable.Empty <AzureLocation>());
}
