blah

class openAction implements ActionListener {
        public void actionPerformed(ActionEvent ae) {
            String label;
            String type;
            int column, degree;
            FileNameExtensionFilter filter = new FileNameExtensionFilter("XML File", "xml");
            chooser.setFileFilter(filter);
            int returnVal = chooser.showOpenDialog(getParent());
            if (returnVal == JFileChooser.APPROVE_OPTION) {
               File file = chooser.getSelectedFile();

               //dom parsing
               System.out.println("filename: " + file.getName());
               try {
                    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
                    DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
                    Document doc = dBuilder.parse(file);
                    doc.getDocumentElement().normalize();

                    //getting labels

//                  for (int j = 0; j < rowList.getLength(); j++) {
//                      Node nNode = rowList.item(j);
//
//                      if (nNode.getNodeType() == Node.ELEMENT_NODE) {
//                          Element eElement = (Element) nNode;
//                          label = eElement.getAttribute("label");
////                            System.out.println("label now is: " + label);
//                          //roadway.add(label);
//                      }
//                  }

                    //getting tile
                    NodeList tileList = doc.getElementsByTagName("tile");
                    NodeList rowList = doc.getElementsByTagName("row");
                    for (int j = 0; j < rowList.getLength(); j++) {
                        for (int i = 0; i < tileList.getLength(); i++) {
                            Node nNode = tileList.item(i);
                            Node rowNode = rowList.item(j);
                            if (nNode.getNodeType() == Node.ELEMENT_NODE && rowNode.getNodeType() == Node.ELEMENT_NODE) {
                                Element eElement = (Element) nNode;
                                Element rowElement = (Element) rowNode;
                                String sColumn = eElement.getAttribute("column");
                                column = Integer.parseInt(sColumn);
                                type = eElement.getAttribute("type");
                                String sDegree = eElement.getAttribute("degree");
                                degree = Integer.parseInt(sDegree);

                                label = rowElement.getAttribute("label");

                                roadway.add(new ParseRoad(label, column, type, degree));
                            }
                        }
                    }
               } catch (Exception e) {
                    e.printStackTrace();
               }
            }
            System.out.println("size" + roadway.size());
            System.out.println(roadway.get(0).label);
            System.out.println(roadway.get(73).degree);
            System.out.println(roadway.get(73).type);
            System.out.println(roadway.get(73).column);
            System.out.println("label2: "+ roadway.get(roadway.size()-1).label);
        }