package com.zetcode;

import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

import org.w3c.dom.Node;

import org.w3c.dom.traversal.DocumentTraversal;

import org.w3c.dom.traversal.NodeFilter;

import org.w3c.dom.traversal.NodeIterator;

import org.xml.sax.SAXException;

public class JavaXmlDomReadElements {

public static void main(String[] args) throws ParserConfigurationException,

SAXException, IOException {

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

DocumentBuilder loader = factory.newDocumentBuilder();

Document document = loader.parse("src/main/resources/continents.xml");

DocumentTraversal trav = (DocumentTraversal) document;

NodeIterator it = trav.createNodeIterator(document.getDocumentElement(),

NodeFilter.SHOW_ELEMENT, null, true);

int c = 1;

for (Node node = it.nextNode(); node != null;

node = it.nextNode()) {

String name = node.getNodeName();

System.out.printf("%d %s%n", c, name);

c++;

}

}

}