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


public class SAXParserDemo {


public void performDemo(String uri) {
try {
XMLReader parser = new SAXParser();
ContentHandler contenthandler = new MyContentHandler();
parser.setContentHandler(contenthandler);
parser.setFeature("http://xml.org/sax/features/validation",true);
parser.parse(uri);
} catch (IOException e) {} catch (SAXException e) {
}
}

public static void main(String[] args) {
String uri = args[0];
SAXParserDemo parserDemo = new SAXParserDemo();
parserDemo.performDemo(uri);
}


class MyContentHandler implements ContentHandler {

private Locator locator;

public void setDocumentLocator(Locator locator) {}


public void startDocument() throws SAXException {
}

public void endDocument() throws SAXException {
}

public void startPrefixMapping(String prefix, String URI) throws SAXException {}
public void endPrefixMapping(String prefix) throws SAXException {}


public void processingInstruction(String target, String data) throws SAXException {
}


public void characters(char[] ch, int start, int length) throws SAXException {
}

public void startElement(String namespaceURI, String localName, String rawName, Attributes atts) throws SAXException {
}

public void endElement(String namespaceURI, String localName, String rawName) throws SAXException {
}


public void skippedEntity(String name) throws SAXException {}
public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {}
}
}