/// <summary>
/// Loads an object graph from a JSON file.
/// </summary>
/// <typeparam name="T">The type of the expected object graph reference.</typeparam>
/// <param name="fileName">Name of the file.</param>
/// <param name="folder">The folder.</param>
/// <returns></returns>
public static async Task <T> LoadFromJsonFile <T>(
string fileName,
StorageFolder folder = null)
{
var json = await StringIOExtensions.ReadFromFile(fileName, folder);
return(LoadFromJsonString <T>(json));
}
public static async Task <T> LoadFromJsonFile <T>(
string fileName,
StorageFolder folder = null)
{
var json = await StringIOExtensions.ReadFromFile(fileName, folder);
var ms = new MemoryStream(UTF8Encoding.UTF8.GetBytes(json));
var ser = new DataContractJsonSerializer(typeof(T));
T result = (T)ser.ReadObject(ms);
return(result);
}
/// <summary>
/// Loads an object graph from XML file serialized using XmlSerializer.
/// </summary>
/// <typeparam name="T">Type of the returned object graph reference.</typeparam>
/// <param name="fileName">Name of the file.</param>
/// <param name="folder">The folder.</param>
/// <returns>Object graph reference.</returns>
public static async Task <T> LoadFromXmlFile <T>(
string fileName,
StorageFolder folder = null)
{
var xmlString = await StringIOExtensions.ReadFromFile(fileName, folder);
var ms = new MemoryStream(Encoding.UTF8.GetBytes(xmlString));
var ser = new XmlSerializer(typeof(T));
T result = (T)ser.Deserialize(ms);
return(result);
}
private static async void InputDialogAndStringIOTest()
{
var dialog = new InputDialog();
await dialog.ShowAsync("Title", "Text", "OK", "Cancel");
await new MessageDialog(dialog.InputText, "WinRTXamlToolkit.Sample").ShowAsync();
await "ABC".WriteToFile("abc.txt", KnownFolders.DocumentsLibrary);
await "DEF".WriteToFile("abc.txt", KnownFolders.DocumentsLibrary);
await "ABC2".WriteToFile("abc2.txt", KnownFolders.DocumentsLibrary);
await new MessageDialog("Test files written", "WinRTXamlToolkit.Sample").ShowAsync();
var abc = await StringIOExtensions.ReadFromFile("abc.txt", KnownFolders.DocumentsLibrary);
await new MessageDialog(abc, "Test file read").ShowAsync();
}