public override Task <string[]> ListFolderNames(string path)
{
return(TaskEx.Run(() => {
return FileUtils.WithStorage(storage => {
return storage.GetDirectoryNames(EnsureEndsWithSlashStar(path));
});
}));
}
private IEnumerable <string> ListStorageItemPaths(Func <IsolatedStorageFile, Func <string, string[]> > storageFunc, string path, bool recursive = false)
{
return(FileUtils.WithStorage(s => {
var subItemNames = storageFunc(s)(EnsureEndsWithSlashStar(path));
var paths = subItemNames.Select(name => path + "/" + name).ToList();
if (recursive)
{
foreach (var p in paths)
{
paths.AddRange(ListStorageItemPaths(storageFunc, p, recursive: true));
}
}
return paths;
}));
}
/// <summary>
/// Note for WP8: System.IO.PathTooLongException: The specified path,
/// file name, or both are too long. The fully qualified file name
/// must be less than 260 characters, and the directory name must be
/// less than 248 characters.
/// </summary>
/// <param name="absolutePath"></param>
/// <returns></returns>
public UriInfo UriData(string absolutePath)
{
return(FileUtils.WithStorage <UriInfo>(s => {
if (s.FileExists(absolutePath))
{
long size = -1;
using (var file = s.OpenFile(absolutePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
size = file.Length;
}
return new UriInfo(new Uri(absolutePath, UriKind.Relative), (ulong)size);
}
else
{
return null;
}
}));
}
public IEnumerable <string> ListFilePaths(string folderPath, bool recursive = false)
{
return(FileUtils.WithStorage(s => {
return ListFilePaths(s, folderPath, recursive);
}));
}
public override Task Delete(string relativePath)
{
FileUtils.WithStorage(s => s.DeleteFile(relativePath));
return(AsyncTasks.Noop());
}