Main.java Source code

Introduction

Here is the source code for Main.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.traversal.DocumentTraversal;
import org.w3c.dom.traversal.NodeFilter;
import org.w3c.dom.traversal.NodeIterator;

public class Main {
    public static void main(String[] argv) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder loader = factory.newDocumentBuilder();
        Document document = loader.parse("sample.xml");

        DocumentTraversal traversal = (DocumentTraversal) document;

        NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(), NodeFilter.SHOW_ALL,
                new ItemFilter(), true);

        for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
            System.out.println("Element: " + ((Element) n).getTagName());
        }
    }

    private static final class ItemFilter implements NodeFilter {
        public short acceptNode(Node n) {
            if (n instanceof Element) {
                if (((Element) n).getTagName().equals("item")) {
                    return NodeFilter.FILTER_ACCEPT;
                }
            }
            return NodeFilter.FILTER_REJECT;
        }
    }
}