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package com.zetcode;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import java.io.File;

import java.io.IOException;

public class JavaXmlDomReadEx {

public static void main(String argv[]) throws SAXException,

IOException, ParserConfigurationException {

var xmlFile = new File("src/main/resources/users.xml");

var factory = DocumentBuilderFactory.newInstance();

var dBuilder = factory.newDocumentBuilder();

var doc = dBuilder.parse(xmlFile);

doc.getDocumentElement().normalize();

System.out.println("Root element: " + doc.getDocumentElement().getNodeName());

// NodeList

var nList = doc.getElementsByTagName("user");

for (int i = 0; i < nList.getLength(); i++) {

// Node

var nNode = nList.item(i);

System.out.println("\nCurrent Element: " + nNode.getNodeName());

if (nNode.getNodeType() == Node.ELEMENT_NODE) {

var elem = (Element) nNode;

var uid = elem.getAttribute("id");

var node1 = elem.getElementsByTagName("firstname").item(0);

var firstName = node1.getTextContent();

var node2 = elem.getElementsByTagName("lastname").item(0);

var lastName = node2.getTextContent();

var node3 = elem.getElementsByTagName("occupation").item(0);

var occupation = node3.getTextContent();

System.out.printf("User id: %s%n", uid);

System.out.printf("First name: %s%n", firstName);

System.out.printf("Last name: %s%n", lastName);

System.out.printf("Occupation: %s%n", occupation);

}

}

}

}