MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class MainClass {

    public static void main(String[] args) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setValidating(true);
        DocumentBuilder builder = factory.newDocumentBuilder();

        Document doc = builder.parse("yourFile.xml");
        Element rootElement = doc.getDocumentElement();
        NodeList children = rootElement.getChildNodes();
        Node current = null;
        int count = children.getLength();
        for (int i = 0; i < count; i++) {
            current = children.item(i);
            if (current.getNodeType() == Node.ELEMENT_NODE) {
                Element element = (Element) current;
                if (element.getTagName().equalsIgnoreCase("tableOfContents")) {
                    // Get the list of <tocEntry> items
                    NodeList tocitems = element.getElementsByTagName("tocEntry");
                    // Obtain a reference to the second one
                    Node secondChild = tocitems.item(1);
                    // Create a new <tocEntry> element
                    Element newTOCItem = doc.createElement("tocEntry");
                    // Create a new "Help" text node
                    Text newText = doc.createTextNode("Help");
                    // Make it a child of the new <tocEntry> element
                    // <tocEntry>Help</tocEntry>
                    newTOCItem.appendChild(newText);
                    // Add the new <tocEntry> element to <tableOfContents>
                    element.insertBefore(newTOCItem, secondChild);
                }
            }
        }

        System.out.println(doc.getDocumentElement());
    }

}