import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;
public class Main {
public static void main(String[] argv) throws Exception {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setValidating(true);
SAXParser parser = factory.newSAXParser();
SaxHandler handler = new SaxHandler();
parser.parse("sample.xml", handler);
}
}
class SaxHandler extends DefaultHandler {
public InputSource resolveEntity(String publicId, String systemId) {
if (systemId.equals("http://www.my-company.com/order-1.0.dtd")) {
return new InputSource(getClass().getResourceAsStream("order.dtd"));
} else {
return null;
}
}
public void startElement(String uri, String localName, String qName, Attributes attrs)
throws SAXException {
if (qName.equals("order")) {
}
}
public void error(SAXParseException ex) throws SAXException {
System.out.println("ERROR: [at " + ex.getLineNumber() + "] " + ex);
}
public void fatalError(SAXParseException ex) throws SAXException {
System.out.println("FATAL_ERROR: [at " + ex.getLineNumber() + "] " + ex);
}
public void warning(SAXParseException ex) throws SAXException {
System.out.println("WARNING: [at " + ex.getLineNumber() + "] " + ex);
}
}