convert.coffee

      domDocument = Titanium.XML.parseString(this.responseText)
      domNodeList = domDocument.getElementsByTagName("Contents")

      objectsList = [];
      for (var i = 0; i < domNodeList.length; i++)
      {
        keyName = item.getElementsByTagName('Key').item(0).textContent;
        size = objects[i].getElementsByTagName('Size').item(0).textContent;
        objectsList[i] = {
          key: keyName,
          size: size
        }
      }