import java.io.File;

import javax.xml.transform.Source;
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 Transform {

	/**
	 * Performs an XSLT transformation, sending the results to System.out.
	 * 
	 * @param args the command-line arguments
	 */
	public static void main(String[] args) {
		if (args.length != 2) {
			System.err.println("Usage: java Transform [xmlfile] [xsltfile]");
			System.exit(1);
		}
		
		File xmlFile = new File(args[0]);
		File xsltFile = new File(args[1]);
		
		// JAXP reads data using the Source interface
		Source xmlSource = new StreamSource(xmlFile);
		Source xsltSource = new StreamSource(xsltFile);
		
		// The factory pattern supports different XSLT processors
		TransformerFactory transFact = TransformerFactory.newInstance();
		try {
			Transformer trans = transFact.newTransformer(xsltSource);
			trans.transform(xmlSource, new StreamResult(System.out));
		}
		catch (TransformerConfigurationException tce) {
			System.err.println(tce);
		}
		catch (TransformerException te) {
			System.err.println(te);
		}
	}
}