Javax Xml Stream Events Java by API

import java.io.FileInputStream;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.events.XMLEvent;
public class Main {
  public static void main(String[] args) throws Exception {
    String filename = "yourXML.xml";
    XMLInputFactory factory = XMLInputFactory.newInstance();
    System.out.println("FACTORY: " + factory);
    XMLEventReader r = factory.createXMLEventReader(filename, new FileInputStream(filename));
    while (r.hasNext()) {
      XMLEvent e = r.nextEvent();
      System.out.println(e.toString());
    }
  }
  public static final String getEventTypeString(int eventType) {
    switch (eventType) {
    case XMLEvent.START_ELEMENT:
      return "START_ELEMENT";
    case XMLEvent.END_ELEMENT:
      return "END_ELEMENT";
    case XMLEvent.PROCESSING_INSTRUCTION:
      return "PROCESSING_INSTRUCTION";
    case XMLEvent.CHARACTERS:
      return "CHARACTERS";
    case XMLEvent.COMMENT:
      return "COMMENT";
    case XMLEvent.START_DOCUMENT:
      return "START_DOCUMENT";
    case XMLEvent.END_DOCUMENT:
      return "END_DOCUMENT";
    case XMLEvent.ENTITY_REFERENCE:
      return "ENTITY_REFERENCE";
    case XMLEvent.ATTRIBUTE:
      return "ATTRIBUTE";
    case XMLEvent.DTD:
      return "DTD";
    case XMLEvent.CDATA:
      return "CDATA";
    case XMLEvent.SPACE:
      return "SPACE";
    }
    return "UNKNOWN_EVENT_TYPE " + "," + eventType;
  }
}