import java.util.Properties;
import javax.xml.transform.Transformer;
import java.io.FileOutputStream;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Templates;
import javax.xml.transform.stream.StreamSource;
import javax.xml.transform.stream.StreamResult;
...
// Set the TransformerFactory system property.
// Note: For more flexibility, load properties from a properties file.
String key = "javax.xml.transform.TransformerFactory";
String value = "org.apache.xalan.xsltc.trax.TransformerFactoryImpl";
Properties props = System.getProperties();
props.put(key, value);
System.setProperties(props);
...
String xslInURI;
// Instantiate the TransformerFactory, and use it with a StreamSource
// XSL stylesheet to create a translet as a Templates object.
TransformerFactory tFactory = TransformerFactory.newInstance();
Templates translet = tFactory.newTemplates(new StreamSource(xslInURI));
...
String xmlInURI;
String htmlOutURI;
String xmlInURI2;
String htmlOutURI2;
...
// For each thread, instantiate a new Transformer, and perform the
// transformations on that thread from a StreamSource to a StreamResult;
Transformer transformer = translet.newTransformer();
transformer.transform(new StreamSource(xmlInURI),
                  new StreamResult(new FileOutputStream(htmlOutURI)));
transformer.transform(new StreamSource(xmlInURI2),
                  new StreamResult(new FileOutputStream(htmlOutURI2)));
...