/// <summary>
/// Load object from file
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public async Task <T> LoadAsync(string fileName)
{
fileName = fileName + _fileExtension;
try
{
IFile file = null;
IFolder folder = await GetFolderAsync().ConfigureAwait(false);
var contains = await folder.ContainsFileAsync(fileName).ConfigureAwait(false);
if (contains)
{
file = await folder.GetFileAsync(fileName);
try
{
var fileStream = await file.OpenAsync(PCLStorage.FileAccess.Read);
// Read the data.
using (StreamReader streamReader = new StreamReader(fileStream))
{
var data = streamReader.ReadToEnd();
//Deserialize to object
T result = JsonConvert.DeserializeObject <T>(data);
return(result);
}
}
catch
{
return(default(T));
}
}
else
{
return(default(T));
}
}
catch (Exception x)
{
//Unable to load contents of file
//Logger.WriteLine(x);
throw;
}
}
/// <summary>
/// Delete file
/// </summary>
/// <param name="fileName"></param>
public async Task DeleteAsync(string fileName)
{
fileName = fileName + _fileExtension;
try
{
IFolder folder = await GetFolderAsync().ConfigureAwait(false);
var contains = await folder.ContainsFileAsync(fileName).ConfigureAwait(false);
if (contains)
{
var file = await folder.GetFileAsync(fileName);
await file.DeleteAsync();
}
}
catch (Exception)
{
throw;
}
}