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windows-8winjs

System.Text.Encoding in WinJS

Is there an equivalent of 

System.Text.Encoding.UTF8.GetString(fileContent)

in WinJS (Windows 8 Store App written in javascript/HTML)?

EDIT. fileContent is a byte array.

Solution

  • There is no strict equivalent of System.Text.Encoding.UTF8.GetString in WinJS, but you can try implement file reading to string as follows:

    file.openReadAsync().done(function (stream) {
   var blob = MSApp.createBlobFromRandomAccessStream(file.contentType, stream);
   var reader = new FileReader();

   reader.onload = function(event) {
      var fileAsText = event.target.result;
   };

   reader.readAsText(blob, 'UTF-8');
});

    In most cases (file upload via XHR, displaying file) you don't need to have file contents as text, so just use Blob then.