private async Task <JObject> SetAsync(string key, string value)
{
var storageFolder = await GetAsyncStorageFolder(true).ConfigureAwait(false);
var file = await storageFolder.CreateFileAsync(AsyncStorageHelpers.GetFileName(key), CreationCollisionOption.ReplaceExisting).ConfigureAwait(false);
await FileExtensions.WriteAllTextAsync(file, value).ConfigureAwait(false);
return(default(JObject));
}
private async Task <JObject> RemoveAsync(string key)
{
var storageFolder = await GetAsyncStorageFolder(false).ConfigureAwait(false);
if (storageFolder != null)
{
var fileName = AsyncStorageHelpers.GetFileName(key);
var storageItem = await storageFolder.TryGetItemAsync(fileName).AsTask().ConfigureAwait(false);
if (storageItem != null)
{
await storageItem.DeleteAsync().AsTask().ConfigureAwait(false);
}
}
return(null);
}
private async Task <string> GetAsync(string key)
{
var storageFolder = await GetAsyncStorageFolder(false).ConfigureAwait(false);
if (storageFolder != null)
{
var fileName = AsyncStorageHelpers.GetFileName(key);
var storageItem = await storageFolder.TryGetItemAsync(fileName).AsTask().ConfigureAwait(false);
if (storageItem != null)
{
var file = await storageFolder.GetFileAsync(fileName).AsTask().ConfigureAwait(false);
return(await FileIO.ReadTextAsync(file).AsTask().ConfigureAwait(false));
}
}
return(null);
}
private async Task <JObject> SetAsync(string key, string value)
{
try
{
var storageFolder = await GetAsyncStorageFolder(true).ConfigureAwait(false);
var file = await storageFolder.CreateFileAsync(AsyncStorageHelpers.GetFileName(key), CreationCollisionOption.OpenIfExists).ConfigureAwait(false);
await FileExtensions.WriteAllTextAsync(file, value).ConfigureAwait(false);
return(default(JObject));
}
catch (Exception ex)
{
return(new JObject {
{ "message", ex.Message },
{ "fileName", ex.ToString() }
});
}
}
private async Task <JObject> RemoveAsync(string key)
{
var storageFolder = await GetAsyncStorageFolder(false).ConfigureAwait(false);
if (storageFolder == null)
{
return(null);
}
var fileName = AsyncStorageHelpers.GetFileName(key);
var existsCheck = await storageFolder.CheckExistsAsync(fileName).ConfigureAwait(false);
if (existsCheck == ExistenceCheckResult.FileExists)
{
var storageItem = await storageFolder.GetFileAsync(fileName).ConfigureAwait(false);
await storageItem.DeleteAsync().ConfigureAwait(false);
}
return(null);
}
private async Task <string> GetAsync(string key)
{
var storageFolder = await GetAsyncStorageFolder(false).ConfigureAwait(false);
if (storageFolder == null)
{
return(null);
}
var fileName = AsyncStorageHelpers.GetFileName(key);
var existsCheck = await storageFolder.CheckExistsAsync(fileName).ConfigureAwait(false);
if (existsCheck == ExistenceCheckResult.FileExists)
{
var storageItem = await storageFolder.GetFileAsync(fileName).ConfigureAwait(false);
return(await FileExtensions.ReadAllTextAsync(storageItem).ConfigureAwait(false));
}
return(null);
}