private async Task<string> ReadFileAsync(StorageFolder storageFolder, StorageFile storageFile, FileType fileType)
{
var rootFolder = FileSystem.Current.LocalStorage;
var folder = await rootFolder.GetFolderAsync(storageFolder.ToString());
if (folder == null)
{
return null;
}
var file = await folder.GetFileAsync(string.Format(@"{0}.{1}", storageFile, fileType));
if (file == null)
{
return null;
}
var stream = await file.OpenAsync(FileAccess.Read);
if (stream == null)
{
return null;
}
using (var streamReader = new StreamReader(stream))
{
return streamReader.ReadToEnd();
}
}
private async Task EnsureAssemblyEntries( StorageFolder folder )
{
Contract.Requires( folder != null );
Contract.Ensures( Contract.Result<Task>() != null );
if ( initialized )
return;
var temp = new List<AssemblyEntry>();
foreach ( var file in await folder.GetFilesAsync() )
{
if ( file.FileType != ".dll" && file.FileType != ".exe" )
continue;
var name = new AssemblyName( Path.GetFileNameWithoutExtension( file.Name ) );
var assembly = Assembly.Load( name );
var entry = new AssemblyEntry( file.Path, assembly );
temp.Add( entry );
}
lock ( entries )
{
if ( initialized )
return;
initialized = true;
entries.ReplaceAll( temp );
}
}
public async Task SaveUrlAsync(StorageFolder folder, HttpClient client, string path)
{
var destName = path.Split('/').Last();
var content = await client.GetByteArrayAsync(path).ConfigureAwait(false);
var destFile = await folder.CreateFileAsync(destName, CreationCollisionOption.GenerateUniqueName)
.AsTask()
.ConfigureAwait(false);
using (var destStream = await destFile.OpenStreamForWriteAsync().ConfigureAwait(false))
{
destStream.Write(content, 0, content.Length);
await destStream.FlushAsync().ConfigureAwait(false);
}
}
private async Task<bool> SaveFileAsync(StorageFolder storageFolder, StorageFile storageFile, FileType fileType, string content)
{
var rootFolder = FileSystem.Current.LocalStorage;
var folder = await rootFolder.CreateFolderAsync(storageFolder.ToString(), CreationCollisionOption.OpenIfExists);
if (folder == null)
{
return false;
}
var file = await folder.CreateFileAsync(string.Format(@"{0}.{1}", storageFile, fileType), CreationCollisionOption.ReplaceExisting);
if (file == null)
{
return false;
}
await file.WriteAllTextAsync(content);
return true;
}