layout.add(new HTML("<h3>Create Security Pattern</h3>"));
final Form<SecurityPattern> form = new Form<SecurityPattern>(SecurityPattern.class);
form.setNumColumns(2);
TextBoxItem principal = new TextBoxItem("principal", "Principal");
TextBoxItem pattern = new TextBoxItem("pattern", "Pattern");
CheckBoxItem send = new CheckBoxItem("send", "Send?");
CheckBoxItem consume = new CheckBoxItem("consume", "Consume?");
CheckBoxItem manage= new CheckBoxItem("manage", "Manage?");
form.setFields(principal, pattern, send, consume, manage);