Task <IStorageStream> GetWriteStream(string identifier)
{
string fullPath = GetAbsolutePath(identifier);
#if !UNITY_EDITOR && (UNITY_WSA || UNITY_WINRT)
identifier = identifier.Replace('/', '\\');
fullPath = fullPath.Replace('/', '\\');
#endif
#if !UNITY_EDITOR && (UNITY_WSA || UNITY_WINRT)
StorageFolder folder = await StorageFolder.GetFolderFromPathAsync(this.BasePath.Replace('/', '\\'));
// Ensure directory exists
string folderName = Path.GetDirectoryName(identifier);
if (!string.IsNullOrEmpty(folderName))
{
folder = await folder.CreateFolderAsync(folderName, CreationCollisionOption.OpenIfExists);
}
Stream file = await folder.OpenStreamForWriteAsync(Path.GetFileName(identifier) + this.TemporarySuffix, CreationCollisionOption.OpenIfExists);
FileStorageStream storageStream = new FileStorageStream(fullPath, identifier, file);
return(storageStream);
#else
try
{
// Ensure directory exists
Directory.CreateDirectory(Path.GetDirectoryName(fullPath));
FileStream file = File.Open(fullPath + this.TemporarySuffix, FileMode.Create);
FileStorageStream storageStream = new FileStorageStream(fullPath, identifier, file);
return(Task.FromResult <IStorageStream>(storageStream));
}
catch (Exception ex)
{
if (ex is FileNotFoundException)
{
throw new StorageItemNotFoundException(identifier, ex);
}
if (ex is NotSupportedException || ex is PathTooLongException || ex is ArgumentException || ex is ArgumentNullException)
{
throw new StorageInvalidIdentifierException(identifier, ex);
}
throw;
}
#endif
}
Task CommitWriteStreamInternal(IStorageStream stream)
{
FileStorageStream fileStream = (FileStorageStream)stream;
#if !UNITY_EDITOR && (UNITY_WSA || UNITY_WINRT)
stream.UnderlyingStream.Close();
StorageFolder folder = await StorageFolder.GetFolderFromPathAsync(this.BasePath.Replace('/', '\\'));
string folderName = Path.GetDirectoryName(stream.Identifier);
if (!string.IsNullOrEmpty(folderName))
{
folder = await folder.GetFolderAsync(folderName);
}
StorageFile tempFile = await folder.GetFileAsync(Path.GetFileName(stream.Identifier) + this.TemporarySuffix);
await tempFile.RenameAsync(Path.GetFileName(stream.Identifier), NameCollisionOption.ReplaceExisting);
#else
File.Delete(fileStream.FullPath);
File.Move(fileStream.FullPath + this.TemporarySuffix, fileStream.FullPath);
return(Task.CompletedTask);
#endif
}
