var xmlPath = "/Users/BenMason/Desktop/xml/";
var artwork = {};

function ArtworkData(artworkID) {
  //Find and parse label id
  var file = new File(xmlPath + artworkID + ".XML");
  var xmlFile = new XML(readXMLFile(file));
  loadData(xmlToJson(xmlFile).entries.element);
}

ArtworkData.prototype = {
  id : function() {
    return artwork.id;
  },
  job : function() {
    return artwork.job;
  },
  order : function() {
    return artwork.order;
  },
  leading : function() {
    return artwork.leading;
  },
  material : function() {
    return artwork.material;
  },
  barcode : function() {
    return {
      type : artwork.barcode.type,
      size : artwork.barcode.size,
      reduction : artwork.barcode.reduction,
      number : artwork.barcode.number
    };
  }
};

function loadData(xml) {
  artwork.information = xml;
  artwork.id = xml["jobid"];
  artwork.job = getValue(xml["jobref"]);
  artwork.order = getValue(xml["orderref"]);
  artwork.leading = getValue(xml["reel"]);
  artwork.material = getValue(xml["printmaterial"]);
  artwork.barcode = {};
  artwork.barcode.type = getValue(xml["barcodetype"]);
  artwork.barcode.size = getValue(xml["barcodesize"]);
  artwork.barcode.reduction = getValue(xml["barwidthreduction"]);
  artwork.barcode.number = getValue(xml["barcodenumber"]);
}

function getValue(obj) {
  try {
    return obj["text"];
  } catch (e) {
    return "";
  }
}

function readXMLFile(file) {
  if (!file.exists) {
    throw "Cannot find file: " + deodeURI(file.absoluteURI);
  }
  file.encoding = "UTF8";
  file.lineFeed = "unix";
  file.open("r", "TEXT", "????");
  var str = file.read();
  file.close();

  return new XML(str);
};

function xmlToJson(xml) {
  // Create the return object
  var obj = {};
  if (xml.nodeKind() == "element") {
    if (xml.attributes().length() > 0) {
      for (var j = 0; j < xml.attributes().length(); j++) {
        var attributeName = xml.attributes()[j].name();
        obj[attributeName] = String(xml.attributes()[j]);
      }
    }
  } else if (xml.nodeKind() == "text") {
    obj['text'] = xml.text();
  }
  if (xml.children()) {
    for (var i = 0; i < xml.children().length(); i++) {
      var item = xml.child(i);
      if (xml.children()[i].nodeKind() == "text") {
        obj['text'] = xml.children()[i].toString();
      } else {
        var nodeName = item.name();
        if (typeof(obj[nodeName]) == "undefined") {
          obj[nodeName] = xmlToJson(item);
        } else {
          if (typeof(obj[nodeName].push) == "undefined") {
            var old = obj[nodeName];
            obj[nodeName] = [];
            obj[nodeName].push(old);
          }
          obj[nodeName].push(xmlToJson(item));
        }
      }
    }
  }
  return obj;
}