import java.io.*;

// JAXP packages
import javax.xml.transform.*;
import javax.xml.transform.stream.*;

/**
 * Transform uses the XSL Transformation API to transform a given XML file
 * using a given XSL stylesheet.
 *
 * @author Thornton Rose
 * @version 1.0
 */
public class Transform {

   /**
    * Construct an instance of this class.
    */
   public Transform() {
   }

   //--------------------------------------------------------------------------

   /**
    * Run the program.
    */
   public static void main(String[] args) {
      // If not enough args, print usage.
      if (args.length < 2) {
         System.out.println(
            "Usage: Transform stylesheet xml-file");
         System.exit(0);
      }

      // Get command-line args.
      File xslFile = new File(args[0]);
      File xmlFile = new File(args[1]);

      // Create xsl source, input source, and result streams.
      StreamSource xslSource = new StreamSource(xslFile);
      StreamSource xmlSource = new StreamSource(xmlFile);
      StreamResult outResult = new StreamResult(System.out);

      try {
         // Get transformer factory and transformer.
         TransformerFactory factory = TransformerFactory.newInstance();
         Transformer transformer = factory.newTransformer(xslSource);

         // Do transformation.
         transformer.transform(xmlSource, outResult);
      } catch(Exception ex) {
         System.out.println(ex);
      }
   }

}