public static Task <T> DeserializerAsync <T>(Java.IO.File file)
#endif
{
return(Task.Run(async() =>
{
// Wait for file to be free
while (FileUtils.IsFileLocked(file))
{
await Task.Delay(100).ConfigureAwait(false);
}
Stream fStream = null;
StreamReader sReader = null;
JsonReader reader = null;
var obj = default(T);
#if __ANDROID__
var mFile = new AtomicFile(file);
try
{
fStream = mFile.OpenRead();
#else
try
{
fStream = new FileStream(file.Path, FileMode.Open, FileAccess.Read);
#endif
sReader = new StreamReader(fStream);
reader = new JsonTextReader(sReader);
var serializer = JsonSerializer.Create(DefaultSettings);
obj = serializer.Deserialize <T>(reader);
}
catch (Exception ex)
{
Logger.WriteLine(LoggerLevel.Error, ex, "SimpleWeather: JSONParser: error deserializing or with file");
obj = default(T);
}
finally
{
reader?.Close();
#if __ANDROID__
mFile?.Dispose();
#endif
}
return obj;
}));
}
public static void Serializer(Object obj, Java.IO.File file)
{
Task.Run(async() =>
{
// Wait for file to be free
while (FileUtils.IsFileLocked(file))
{
await Task.Delay(100).ConfigureAwait(false);
}
var mFile = new AtomicFile(file);
Stream fStream = null;
JsonTextWriter writer = null;
try
{
fStream = mFile.StartWrite();
writer = new JsonTextWriter(new StreamWriter(fStream))
{
CloseOutput = false,
};
var serializer = JsonSerializer.Create(DefaultSettings);
serializer.Serialize(writer, obj);
await writer.FlushAsync().ConfigureAwait(false);
mFile.FinishWrite(fStream);
}
catch (Exception ex)
{
Logger.WriteLine(LoggerLevel.Error, ex, "SimpleWeather: JSONParser: error serializing or with file");
if (mFile != null && fStream != null)
{
mFile.FailWrite(fStream);
}
}
finally
{
mFile?.Dispose();
writer?.Close();
}
}).ConfigureAwait(false);
}