Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.io.ByteArrayInputStream;
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.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class Main {

    public static void main(String... args) throws IOException, SAXException, ParserConfigurationException {

        String xml = "<T rn='0'>"
                + "<I><P>UNKNOWN</P><K>UNKNOWN</K><N><O>UNKNOWN</O><P>UNKNOWN</P><U>UNKNOWN</U><N>UNKNOWN</N></N></I></T>";

        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc = db.parse(new ByteArrayInputStream(xml.getBytes("UTF-8")));

        print(doc.getDocumentElement(), "");
    }

    private static void print(Node e, String tab) {

        if (e.getNodeType() == Node.TEXT_NODE) {
            System.out.println(tab + e.getNodeValue());
            return;
        }

        System.out.print(tab + e.getNodeName());

        NamedNodeMap as = e.getAttributes();
        if (as != null && as.getLength() > 0) {
            System.out.print(" attributes=[");
            for (int i = 0; i < as.getLength(); i++)
                System.out.print((i == 0 ? "" : ", ") + as.item(i));
            System.out.print("]");
        }
        System.out.println();

        if (e.getNodeValue() != null)
            System.out.println(tab + " " + e.getNodeValue());

        NodeList childs = e.getChildNodes();
        for (int i = 0; i < childs.getLength(); i++)
            print(childs.item(i), tab + " ");
    }
}