@notaciones

    /**
     * Converts xml file into a String
     * @param fileName
     * @return
     */
    public static String convertXMLFileToString(String fileName)
    {
      try{
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        InputStream inputStream = new FileInputStream(new File(fileName));
        org.w3c.dom.Document doc = documentBuilderFactory.newDocumentBuilder().parse(inputStream);
        StringWriter stw = new StringWriter();
        Transformer serializer = TransformerFactory.newInstance().newTransformer();
        serializer.transform(new DOMSource(doc), new StreamResult(stw));
        return stw.toString();
      }
      catch (Exception e) {
        e.printStackTrace();
      }
        return null;
    }