public void parseXML(String xml) {

          try {
          InputStream inputStream = new ByteArrayInputStream(xml.getBytes());
          DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
          DocumentBuilder db = dbf.newDocumentBuilder();
          Document doc = db.parse(inputStream);
          doc.getDocumentElement().normalize();
          System.out.println("Root element " + doc.getDocumentElement().getNodeName());
          NodeList nodeLst = doc.getElementsByTagName("entry");
          System.out.println("Information of all entries");

          for (int s = 0; s < nodeLst.getLength(); s++) {

            Node fstNode = nodeLst.item(s);

            if (fstNode.getNodeType() == Node.ELEMENT_NODE) {

              Element fstElmnt = (Element) fstNode;

              NodeList title = fstElmnt.getElementsByTagName("title").item(0).getChildNodes();
              System.out.println("Title : "  + ((Node) title.item(0)).getNodeValue());

              NodeList id = fstElmnt.getElementsByTagName("id").item(0).getChildNodes();
              System.out.println("Id: " + ((Node) id.item(0)).getNodeValue());

              NodeList contento= fstElmnt.getElementsByTagName("tempi").item(0).getChildNodes();
              System.out.println("Contento : " + ((Node) contento.item(1)).getFirstChild().getAttributes());
             // with this line above I'm having problems, I get null pointer exception
            }

          }
          } catch (Exception e) {
            e.printStackTrace();
          }
         }