package com.zetcode;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.DocumentBuilder;

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

import org.w3c.dom.Node;

import org.w3c.dom.Element;

import java.io.File;

import java.io.IOException;

import javax.xml.parsers.ParserConfigurationException;

import org.xml.sax.SAXException;

public class JavaXmlDomReadEx {

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

IOException, ParserConfigurationException {

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

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

DocumentBuilder dBuilder = factory.newDocumentBuilder();

Document doc = dBuilder.parse(xmlFile);

doc.getDocumentElement().normalize();

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

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

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

Node nNode = nList.item(i);

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

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

Element elem = (Element) nNode;

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

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

String fname = node1.getTextContent();

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

String lname = node2.getTextContent();

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

String occup = node3.getTextContent();

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

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

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

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

}

}

}

}