code for XMLEventReader Demo

import java.io.FileReader;
import java.io.Reader;
import java.util.Iterator;

import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.Characters;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;

public class XMLEventReaderDemo {
public static void main(String[] args) throws Exception {
XMLInputFactory factory = XMLInputFactory.newInstance();
Reader fileReader = new FileReader("Source.xml");
XMLEventReader reader = factory.createXMLEventReader(fileReader);

while (reader.hasNext()) {
XMLEvent event = reader.nextEvent();
if (event.isStartElement()) {
StartElement element = (StartElement) event;
System.out.println("Start Element: " + element.getName());

Iterator iterator = element.getAttributes();
while (iterator.hasNext()) {
Attribute attribute = (Attribute) iterator.next();
QName name = attribute.getName();
String value = attribute.getValue();
System.out.println("Attribute name/value: " + name + "/" + value);
}
}
if (event.isEndElement()) {
EndElement element = (EndElement) event;
System.out.println("End element:" + element.getName());
}
if (event.isCharacters()) {
Characters characters = (Characters) event;
System.out.println("Text: " + characters.getData());
}
}
}
}