import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
import org.jdom.JDOMException;
import org.jdom.Element;
import org.jdom.EntityRef;
import org.jdom.Attribute;
import org.jdom.Namespace;
import org.jdom.*;

import java.io.*;
import java.io.IOException;
import java.util.ListIterator;
import java.util.List;
import java.io.*;


class HPNEWXML {

	public void dohpxml() {

		Namespace ns = Namespace.getNamespace("PREF","Namespace");
		Namespace ns1 = Namespace.getNamespace("Namespace2");

		Element root = new Element("Root");
		Document document = new Document(root);

		Element e1 = new Element("E1");
		e1.addContent("E1 Content");

		Element e2 = new Element("E2");
		e2.addContent("E2 Content");

		Element e3 = new Element("E3");

		e1.addContent(e2);

		Attribute a1 = new Attribute("A1attr", "a1attr value");
		Attribute a2 = new Attribute("A2attr", "a2attr value");
		Attribute atemp = (Attribute) a2.clone();

		//a2.setNamespace(ns);
		root.setNamespace(ns1);
		//e1.setNamespace(ns);

		e1.setAttribute(a1);
		e2.setAttribute(a2);
		e1.setAttribute(atemp);

		root.addContent(e1);
		root.addContent(e3);
		XMLOutputter xmloutputter = new XMLOutputter("  ", true);
		try {
			xmloutputter.output(document, System.out);
		} catch(IOException e) {
			System.out.println("IOException = ["+e.getMessage()+"]");
		}
	}

	public static void main(String[] args) {

		HPNEWXML hpnewxml = new HPNEWXML();
		hpnewxml.dohpxml();
	}
}