Java/XML/XMLEventReader

Use XMLEventReader to read XML file

   <source lang="java">

import java.io.File; import java.io.FileInputStream; import javax.xml.stream.EventFilter; import javax.xml.stream.StreamFilter; import javax.xml.stream.XMLEventReader; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.events.XMLEvent; public class MainClass {

 public static void main(String[] args) throws Exception {
   XMLInputFactory inputFactory = XMLInputFactory.newInstance();
   XMLEventReader reader = inputFactory.createXMLEventReader(new FileInputStream(new File("a.xml")));
   reader = inputFactory.createFilteredReader(reader, new EventFilter() {
     public boolean accept(XMLEvent event) {
       return false;
     }
   });
   reader = inputFactory.createFilteredReader(reader, new ElementOnlyFilter());
   System.out.println(reader.hasNext());
   System.out.println(reader.next());
 }

} class ElementOnlyFilter implements EventFilter, StreamFilter {

 public boolean accept(XMLEvent event) {
   return accept(event.getEventType());
 }
 public boolean accept(XMLStreamReader reader) {
   return accept(reader.getEventType());
 }
 private boolean accept(int eventType) {
   return eventType == XMLStreamConstants.START_ELEMENT
       || eventType == XMLStreamConstants.END_ELEMENT;
 }

}

</source>