sp;  e.printStackTrace();
        }
    }

    //save a string(xml) in the given file path
    public static void writeXml(String STRXML, String path)
    {
        try
        {
            File f = new File(path);
            PrintWriter out = new PrintWriter(new FileWriter(f));
            out.print(STRXML + "\n");
            out.close();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
    }
    //format a document to string
    public static String toString(Document doc)
    {
        String STRXML = null;
        try
        {
            OutputFormat format = new OutputFormat(doc);   //Serialize DOM
            format.setEncoding("GB2312");
            StringWriter stringOut = new StringWriter();        //Writer will be a String
            XMLSerializer serial = new XMLSerializer(stringOut, format);
            serial.asDOMSerializer();                     // As a DOM Serializer
            serial.serialize(doc.getDocumentElement());
            STRXML = stringOut.toString(); //Spit out DOM as a String
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
      &

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