import org.xml.sax.*;
import org.xml.sax.helpers.*;
import javax.xml.parsers.*;
import java.io.*;

public class Test {
    public static void main(final String[] args) throws Exception {
        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser parser = factory.newSAXParser();
        parser.parse(new File("ViewBox.svg"), new DefaultHandler() {
            @Override public InputSource resolveEntity(String pub, String sys) throws IOException {
                return new InputSource(new FileInputStream("svg11-flat.dtd"));
            }
        });
    }
}