public static void LoadData()
{
lock (m_mutex)
{
Log.Msg("enter");
JsonSerializer serializer = new JsonSerializer();
serializer.NullValueHandling = NullValueHandling.Ignore;
if (IsDesignTime ||
!IsolatedStorageFile.GetUserStoreForApplication().FileExists((@"Shared\ShellContent\saved_buses.json")))
{
LoadDefaultData();
Log.Msg("exit");
return;
}
using (StreamReader sr = new StreamReader(
IsolatedStorageFile.GetUserStoreForApplication().OpenFile(@"Shared\ShellContent\saved_buses.json",
FileMode.Open, FileAccess.Read, FileShare.Read)))
using (JsonReader reader = new JsonTextReader(sr))
{
var buses = serializer.Deserialize(reader, typeof(List <BusTag>)) as List <BusTag>;
if (buses == null || buses.Count() == 0)
{
Log.Error("File \"{0}\" is corrupted!".Fmt(@"Shared\ShellContent\saved_buses.json"));
//LoadDefaultData();
m_busTags = new ObservableCollection <BusTagVM>();
Log.Msg("exit");
return;
}
m_busTags = new ObservableCollection <BusTagVM>(buses.Select(x => new BusTagVM(x)));
}
Log.Msg("exit");
}
}
public static void SaveData()
{
lock (m_mutex)
{
Log.Msg("enter");
try
{
JsonSerializer serializer = new JsonSerializer();
serializer.NullValueHandling = NullValueHandling.Ignore;
using (StreamWriter sw = new StreamWriter(
IsolatedStorageFile.GetUserStoreForApplication().OpenFile(@"Shared\ShellContent\saved_buses.json",
FileMode.OpenOrCreate, FileAccess.Write, FileShare.None)))
using (JsonWriter writer = new JsonTextWriter(sw))
{
var buses = m_busTags.Select(x => x.BusTag).ToArray();
serializer.Serialize(writer, buses);
}
}
catch (Exception ex)
{
Log.Error("ex=" + ex.DumpStr());
}
Log.Msg("exit");
}
}