How to transform a xml file with a xls style file in Java

xml-xsl

import java.io.IOException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.xml.sax.SAXException;

public class Styliser {
	public static void main(String[] args) throws TransformerException, TransformerConfigurationException,
	SAXException, IOException    
	{
		System.out.println("Transforming...");
		TransformerFactory tFactory = TransformerFactory.newInstance();
		Transformer transformer = tFactory.newTransformer(new StreamSource("style.xsl"));
		 
		transformer.transform(new StreamSource("file.xml"), new StreamResult("out.xml"));
		
		System.out.println("Transormation is done!");
	}
}