Adding a Processing Instruction to a DOM Document : Processing Instruction « XML « Java Tutorial


import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.ProcessingInstruction;

public class Main {
  public static void main(String[] argv) throws Exception {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();


    Document doc = factory.newDocumentBuilder().parse(new File("filename"));

    // Add a PI at the beginning of the document
    Element element = doc.getDocumentElement();
    ProcessingInstruction pi = doc.createProcessingInstruction("target", "instruction");
    element.getParentNode().insertBefore(pi, element);


33.27.Processing Instruction
33.27.1.Adding a Processing Instruction to a DOM Document
33.27.2.Find elements and add a child PI