Use the transform.TransformerFactory plugability in the JAXP API

   

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
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;

public class MainClass {
  public static void main(String[] args) throws TransformerException,
      TransformerConfigurationException, FileNotFoundException, IOException {
    if (args.length != 3) {
      System.out.println("Usage: java jaxpTransform inXML inXSLT outFile");
      System.exit(0);
    }
    FileOutputStream outstream = new FileOutputStream(args[2]);

    TransformerFactory tfactory = TransformerFactory.newInstance();
    StreamSource insource = new StreamSource(args[0]);
    StreamSource inxsl = new StreamSource(args[1]);
    StreamResult sresult = new StreamResult(outstream);
    Transformer transformer = tfactory.newTransformer(inxsl);
    transformer.transform(insource, sresult);
  }
}