Parse an XML file with custom error handler

 
/*
An XML Document Containing a Simple Contact List
Start example

<?xml version="1.0" standalone="yes"?>

<folks>
   <person>
       <phone>306 555-9999</phone>
       <email>joe@webserver.net</email>
       <name>Wang, Joe</name>
   </person>
   <person>
       <phone>704 555-0000</phone>
       <name>Pet, Rob</name>
       <email>rob@server.com</email>
   </person>
</folks>

*/
  

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

public class Main {
  static public void main(String[] arg) throws Exception{
    String filename = "xmlFile.xml";
    boolean validate = false;

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setValidating(validate);
    dbf.setNamespaceAware(true);

      DocumentBuilder builder = dbf.newDocumentBuilder();
      builder.setErrorHandler(new MyErrorHandler());
      InputSource is = new InputSource(filename);
      Document doc = builder.parse(is);
  }
}

class MyErrorHandler implements ErrorHandler {
  public void warning(SAXParseException e) throws SAXException {
    show("Warning", e);
    throw (e);
  }

  public void error(SAXParseException e) throws SAXException {
    show("Error", e);
    throw (e);
  }

  public void fatalError(SAXParseException e) throws SAXException {
    show("Fatal Error", e);
    throw (e);
  }

  private void show(String type, SAXParseException e) {
    System.out.println(type + ": " + e.getMessage());
    System.out.println("Line " + e.getLineNumber() + " Column "
        + e.getColumnNumber());
    System.out.println("System ID: " + e.getSystemId());
  }
}