Adding XML-Stylesheet at the second line of XML Document In Java

How to Add xml-stylesheet at the second line of xml string.
I have an xml string document in which i want to add xml style sheet at the second line of the document.

• First i have converted my xml string document to document
• then adding style-sheet at the second line of xml document 
• and then converted to string xml document.

The main method  is :

public static void main(String[] args)

                  throws TransformerConfigurationException {

            final String xmlStr = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"

                        + "<Emp id=\"1\"><name>aurangzeb</name><age>25</age>\n"

                        + "<role>Developer</role><gen>Male</gen></Emp>";

            Document beforeAddingStyleSheetDocument = convertStringToDocument(xmlStr);

            Document afterAddingStyleSheetDocument = null;

            try {

                  afterAddingStyleSheetDocument = addingStylesheet(beforeAddingStyleSheetDocument);

            } catch (ParserConfigurationException e) {

                  // TODO Auto-generated catch block

                  e.printStackTrace();

            }

            String stringAfterAddingStylesheet = convertDocumentToString(afterAddingStyleSheetDocument);

            System.out.println(stringAfterAddingStylesheet);

      }

 First i have converted my xml string document to document

private static Document convertStringToDocument(String xmlStr) {

            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

            DocumentBuilder builder;

            Document doc = null;

            try {

                  builder = factory.newDocumentBuilder();

                  doc = builder.parse(new InputSource(new StringReader(xmlStr)));

            } catch (Exception e) {

                  e.printStackTrace();

            }

            return doc;

      }

 Then adding style-sheet at the second line of xml document.

private static <ProcessingInstructionImpl> Document addingStylesheet(

                  Document doc) throws TransformerConfigurationException,

                  ParserConfigurationException {

            ProcessingInstructionImpl pi = (ProcessingInstructionImpl) doc

                        .createProcessingInstruction("xml-stylesheet",

                                    "type=\"text/xsl\" href=\"CDA.xsl\"");

            Element root = doc.getDocumentElement();

            doc.insertBefore((Node) pi, root);

           

     

           

            //trans.transform(new DOMSource(doc), new StreamResult(new OutputStreamWriter(bout, "utf-8")));

            return doc;

      }

 and then converted to string xml document.

      private static String convertDocumentToString(Document doc) {

            TransformerFactory tf = TransformerFactory.newInstance();

            Transformer transformer;

            try {

                  transformer = tf.newTransformer();

                  // below code to remove XML declaration

                  // transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION,

                  // "yes");

                  StringWriter writer = new StringWriter();

                  transformer.setOutputProperty(OutputKeys.INDENT, "yes");

                  transformer.setOutputProperty(OutputKeys.STANDALONE, "yes");

                  transformer.transform(new DOMSource(doc), new StreamResult(writer));

                  String output = writer.getBuffer().toString();

                  return output;

            } catch (TransformerException e) {

                  e.printStackTrace();

            }

            return null;

      }

   transformer.setOutputProperty(OutputKeys.INDENT, "yes"); this line of code  placed the xml-stylesheet document at the second line of xml Documnet.

The output  of the above code is :

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