| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.ObjectOutputStream; |
| |
| import javax.xml.transform.stream.StreamSource; |
| import javax.xml.transform.stream.StreamResult; |
| import javax.xml.transform.Templates; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| |
| import org.apache.xalan.xsltc.trax.TransformerFactoryImpl; |
| |
| public class Compile { |
| |
| public static void main(String[] args){ |
| Compile app = new Compile(); |
| app.run(args[0]); |
| } |
| |
| /** |
| * Compiles an XSL stylesheet into a translet, wraps the translet |
| * inside a Templates object and dumps it to a file. |
| */ |
| public void run(String xsl) { |
| try { |
| // Get an input stream for the XSL stylesheet |
| StreamSource stylesheet = new StreamSource(xsl); |
| |
| // The TransformerFactory will compile the stylesheet and |
| // put the translet classes inside the Templates object |
| TransformerFactory factory = TransformerFactory.newInstance(); |
| Templates templates = factory.newTemplates(stylesheet); |
| |
| // Send the Templates object to a '.translet' file |
| dumpTemplate(getBaseName(xsl)+".translet", templates); |
| } |
| catch (Exception e) { |
| System.err.println("Exception: " + e); |
| e.printStackTrace(); |
| } |
| System.exit(0); |
| } |
| |
| /** |
| * Returns the base-name of a file/url |
| */ |
| private String getBaseName(String filename) { |
| int start = filename.lastIndexOf(File.separatorChar); |
| int stop = filename.lastIndexOf('.'); |
| if (stop <= start) stop = filename.length() - 1; |
| return filename.substring(start+1, stop); |
| } |
| |
| /** |
| * Writes a Templates object to a file |
| */ |
| private void dumpTemplate(String file, Templates templates) { |
| try { |
| FileOutputStream ostream = new FileOutputStream(file); |
| ObjectOutputStream p = new ObjectOutputStream(ostream); |
| p.writeObject(templates); |
| p.flush(); |
| ostream.close(); |
| } |
| catch (Exception e) { |
| System.err.println(e); |
| e.printStackTrace(); |
| System.err.println("Could not write file "+file); |
| } |
| } |
| |
| private void usage() { |
| System.err.println("Usage: compile <xsl_file>"); |
| System.exit(1); |
| } |
| |
| } |