Main.java Source code

Introduction

Here is the source code for Main.java

Source

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);

    }
}