private static final String META_NAMESPACE = "http://jfreereport.sourceforge.net/namespaces/engine/classic/metadata";
public static void main(String[] args) throws IOException, IntrospectionException
{
ClassicEngineBoot.getInstance().start();
ExpressionQueryTool eqt = new ExpressionQueryTool();
eqt.processDirectory(null);
final Class[] classes = eqt.getExpressions();
final DefaultTagDescription dtd = new DefaultTagDescription();
dtd.setNamespaceHasCData(META_NAMESPACE, false);
final XmlWriter writer = new XmlWriter(new PrintWriter(System.out), dtd);