definition.addStringColumn("Name", "servlet-name");
definition.addStringColumn("Class", "servlet-class");
definition.addStringColumn("Mapping",
"../servlet-mapping[servlet-name=$Name]");
XMLTableModel model = new XMLTableModel(definition, document);
// make the widgets
JTable table = new JTable(model);
JFrame frame = new JFrame("JTableDemo: " + document.getName());