Java XML Tutorial - Java Document .createProcessingInstruction (String target, String data)

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Syntax

Document.createProcessingInstruction(String target, String data) has the following syntax.

ProcessingInstruction createProcessingInstruction(String target,       String data)       throws DOMException

Example

In the following code shows how to use Document.createProcessingInstruction(String target, String data) method.

//from w  w  w. j  a v  a2s  . c o m
import java.io.File;

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();
    factory.setValidating(true);

    factory.setExpandEntityReferences(false);

    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);


  }
}

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