SAX2 Event Reporter

import org.xml.sax.*;
import org.apache.xerces.parsers.*; 
import java.io.*;


public class SAX2EventReporter implements ContentHandler {

  public void setDocumentLocator(Locator locator) {}
  
  // Methods simply duplicated from DocumentHandler in SAX1
  public void startDocument() throws SAXException {
    System.out.println("Document started"); 
  }

  public void endDocument() throws SAXException {
    System.out.println("Document ended"); 
  }
  
  public void characters(char[] text, int start, int length) 
   throws SAXException {
    System.out.println("Got some characters"); 
  }
  
  public void ignorableWhitespace(char[] text, int start, int length)
   throws SAXException {
    System.out.println("Got some ignorable white space"); 
  }
  
  public void processingInstruction(String target, String data)
   throws SAXException {
    System.out.println("Got a processing instruction"); 
  }
  
  // Changed methods for SAX2
  public void startElement(String namespaceURI, String localName,
	 String rawName, Attributes atts) throws SAXException {
    System.out.println("Element " + rawName + " started"); 
  }
  
  public void endElement(String namespaceURI, String localName,
	 String rawName) throws SAXException {
    System.out.println("Element " + rawName + " ended"); 
  } 

  // new methods for SAX2
  public void startPrefixMapping(String prefix, String uri) 
   throws SAXException {
    System.out.println("Started mapping prefix " + prefix + " to URI " + uri);     
  }

  public void endPrefixMapping(String prefix) throws SAXException {
    System.out.println("Stopped mapping prefix " + prefix);         
  }

  public void skippedEntity(String name) throws SAXException {
    System.out.println("Skipped entity " + name);         
  }  

  // Could easily have put main() method in a separate class
  public static void main(String[] args) {
    
    XMLReader parser = new SAXParser();
     
    if (args.length == 0) {
      System.out.println("Usage: java SAX2EventReporter URL1 URL2..."); 
    } 
      
    // Install the Content Handler      
    parser.setContentHandler(new SAX2EventReporter());
    
    // start parsing... 
    for (int i = 0; i < args.length; i++) {
      
      // command line should offer URIs or file names
      try {
        parser.parse(args[i]);
      }
      catch (SAXParseException e) { // well-formedness error
        System.out.println(args[i] + " is not well formed.");
        System.out.println(e.getMessage()
         + " at line " + e.getLineNumber() 
         + ", column " + e.getColumnNumber());
      }
      catch (SAXException e) { // some other kind of error
        System.out.println(e.getMessage());
      }
      catch (IOException e) {
        System.out.println("Could not report on " + args[i] 
         + " because of the IOException " + e);
      }
      
    }  
  
  }

}