recommended conversion

[alexisargyris]

I'm trying to write a client app that downloads and processes .zip or .bz2 files (created by 7-zip).

How should the downloaded String be converted to the List int that BZip2Decoder or ZipDecoder expect?

Thanks

[brendan-duncan]

It depends on how you're getting the file. If you're using HttpRequest, then one way I found that works is:

  var req = new Html.HttpRequest();
  req.open('GET', url+ '/test.zip'); // Request a zip file
  req.overrideMimeType('text\/plain; charset=x-user-defined');
  req.onLoadEnd.listen((e) {
    if (req.status == 200) {
      // Convert the responseText to a byte array.
      var bytes = req.responseText.split('').map((e) {
        return new String.fromCharCode(e.codeUnitAt(0) & 0xff);
       }).join('').codeUnits;

      // Decode the zip file.
      Arc.Archive archive = new Arc.ZipDecoder().decodeBytes(bytes);
      // Do something with the Arcive
    }
  }

There's probably a better way to convert the responseText to a byte array but I haven't spent time investigating it much yet.

[alexisargyris]

Thanks a lot for your reply. Turned out I neglected to override the mime
type...

BTW, great work you've done there!

Best regards

Alexis

On Sat, Mar 1, 2014 at 8:34 PM, Brendan Duncan notifications@github.comwrote:

It depends on how you're getting the file. If you're using HttpRequest,
then one way I found that works is:

var req = new Html.HttpRequest();
req.open('GET', url+ '/test.zip'); // Request a zip file
req.overrideMimeType('text/plain; charset=x-user-defined');
req.onLoadEnd.listen((e) {
if (req.status == 200) {
// Convert the responseText to a byte array.
var bytes = req.responseText.split('').map((e) {
return new String.fromCharCode(e.codeUnitAt(0) & 0xff);
}).join('').codeUnits;

  // Decode the zip file.
  Arc.Archive archive = new Arc.ZipDecoder().decodeBytes(bytes);
  // Do something with the Arcive
}

}

There's probably a better way to convert the responseText to a byte array
but I haven't spent time investigating it much yet.

—
Reply to this email directly or view it on GitHubhttps://github.com//issues/5#issuecomment-36432456
.

[brendan-duncan]

Thanks