eventparse.java

java 的关于web serive教程

package event;

import java.io.FileInputStream;
import javax.xml.stream.*;
import javax.xml.stream.events.* ;
import javax.xml.namespace.QName;

/**
 * EventParse sample is used to demonstrate the use
 * of Event api's.
 *
 * @author <a href="[e-mail]">Neeraj Bajaj</a> Sun Microsystems,inc.
 */

public class EventParse {
  
    
  private static void printUsage() {
        System.out.println("usage: java -classpath EventParse <xmlfile>");
  }

  public static void main(String[] args) throws Exception {
    
    String filename = null;
    
    try { 
      filename = args[0];
    } catch (ArrayIndexOutOfBoundsException aioobe){
      printUsage();
      System.exit(0);
    }
    //Get the factory instace first.
    XMLInputFactory factory = XMLInputFactory.newInstance();
    System.out.println("FACTORY: " + factory);
    //create the XMLEventReader, pass the filename for any relative resolution 
    XMLEventReader r = factory.createXMLEventReader(filename, new FileInputStream(filename));
    //iterate as long as there are more events on the input stream
    while(r.hasNext()) {
      XMLEvent e = r.nextEvent();
      System.out.println(e.toString());
    }
  }

    public final static 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;
    }
  
}