Generate components using java??

<?page id="indexPage" title="Forsthaus SaaS" cacheable="false" 
	language="xul/html" zscriptLanguage="Java"?>
<?meta content="text/html; charset=UTF-8" 	pageEncoding="UTF-8"?>


<zk xmlns="http://www.zkoss.org/2005/zul"
	xmlns:h="http://www.w3.org/1999/xhtml"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.zkoss.org/2005/zul http://www.zkoss.org/2005/zul/zul.xsd">


	<window id="startWindow" border="none" width="100%" height="100%"
		use="de.forsthaus.InitApplication" />
</zk>

public class InitApplication extends WindowBaseCtrl implements Serializable {

	private transient final static Logger logger = Logger.getLogger(InitApplication.class);
	private static final long serialVersionUID = 1L;

	protected transient Window startWindow; // autowired
	protected transient North bl_north; // autowire
	protected transient South bl_south; // autowire
	protected transient Center bl_center; // autowire

	private transient Tablelayout tableLayout;
	private transient Tablechildren tableChildrenRecords;
	private transient Tablechildren tableChildrenStatistic;
	private transient Tablechildren tableChildrenButtons;
	private transient Div div_Buttons;
	private transient Vbox Vbox_Buttons;

	private transient Label label_RecordCountCustomer;

	private transient KundeService kundeService;
	private transient BrancheService brancheService;
        ...


	public InitApplication() {
		super();

		if (logger.isDebugEnabled()) {
			logger.debug("--> super() ");
		}
	}

	public void onCreate$startWindow(Event event) throws Exception {

		if (logger.isDebugEnabled()) {
			logger.debug("--> " + event.toString());
		}

		doOnCreateCommon(startWindow); // do the autowire
              ...

              showButtons();
         }

	private void createMainGrid() {

		Div div = new Div();
		div.setParent(bl_center);

		Hr hr = new Hr();
		hr.setParent(div);

		/*
		 * Borderlayout around the grid for make it scrollable to see all table
		 * records if the browser window are to small.
		 */
		Borderlayout bl = new Borderlayout();
		bl.setParent(div);
		Center ct = new Center();
		ct.setAutoscroll(true);
		ct.setStyle("background-color: #EBEBEB");
		ct.setBorder("none");
		ct.setFlex(true);
		ct.setParent(bl);
		Div divCt = new Div();
		divCt.setParent(ct);

		tableLayout = new Tablelayout();
		tableLayout.setColumns(3);
		tableLayout.setWidth("950px");
		tableLayout.setParent(divCt);

		tableChildrenRecords = new Tablechildren();
		tableChildrenRecords.setRowspan(1);
		tableChildrenRecords.setWidth("20%");
		tableChildrenRecords.setParent(tableLayout);

		tableChildrenStatistic = new Tablechildren();
		tableChildrenStatistic.setRowspan(1);
		tableChildrenStatistic.setWidth("50%");
		tableChildrenStatistic.setParent(tableLayout);

		tableChildrenButtons = new Tablechildren();
		tableChildrenButtons.setRowspan(1);
		tableChildrenButtons.setWidth("30%");
		tableChildrenButtons.setParent(tableLayout);

		Separator sep = new Separator();
		sep.setParent(divCt);
		Separator sep2 = new Separator();
		sep2.setParent(divCt);

		Div divFooter = new Div();
		divFooter.setAlign("center");
		divFooter.setParent(bl_south);

		Hr hr2 = new Hr();
		hr2.setParent(divFooter);

		Label footerLabel = new Label();
		footerLabel.setValue(" Help to prevent the global warming by writing cool software.");
		footerLabel
				.setStyle("align:center; padding-top:0px; font-family:Verdana; black: white; font-size: 0.6em");
		footerLabel.setParent(divFooter);

	}


private void showButtons() {

		Panel panel = new Panel();
		panel.setTitle("Demo Customers");
		panel.setWidth("220px");
		panel.setHeight("100%");
		panel.setBorder("none");
		panel.setStyle("padding-bottom:5px");
		panel.setParent(tableChildrenButtons);

		Panelchildren panelchildren = new Panelchildren();
		panelchildren.setParent(panel);

		Vbox_Buttons = new Vbox();
		Vbox_Buttons.setParent(panelchildren);

		div_Buttons = new Div();
		div_Buttons.setWidth("100%");
		div_Buttons.setHeight("100%");
		div_Buttons.setStyle("padding: 10px;");
		div_Buttons.setParent(Vbox_Buttons);

		/* 1000. Button */
		Div divBtn1 = new Div();
		divBtn1.setStyle("align: center");
		divBtn1.setParent(div_Buttons);

		Button btn = new Button();
		btn.setLabel("insert 1000");
		btn.setImage("/images/icons/database.gif");
		btn.setTooltiptext("Insert 1.000 randomly created customer records");
		btn.setParent(divBtn1);

		btn.addEventListener("onClick", new OnClick1000Eventlistener());

		/* Separator */
		Separator sep1 = new Separator();
		sep1.setParent(div_Buttons);
		Separator sep2 = new Separator();
		sep2.setParent(div_Buttons);

public abstract class WindowBaseCtrl extends Window implements AfterCompose,
		Serializable {

	private static final long serialVersionUID = -2179229704315045689L;
	protected transient AnnotateDataBinder binder;

	// protected Workspace ws;
	protected transient Map<String, Object> args;

	public void doOnCreateCommon(Window w) throws Exception {
		binder = new AnnotateDataBinder(w);
		binder.loadAll();
		// ws = Workspace.getWorkspace();
	}

	public void doOnCreateCommon(Window w, Event fe) throws Exception {
		doOnCreateCommon(w);
		CreateEvent ce = (CreateEvent) ((ForwardEvent) fe).getOrigin();
		args = (Map<String, Object>) ce.getArg();
	}

	public WindowBaseCtrl() {
		super();
		this.setStyle("body {padding 0 0;}");
		// <style>
		// body {
		// padding: 0 0; /* 0 padding on top and bottom and 0 padding on right
		// and left */
		// }
		// </style>
	}

	@Override
	public void afterCompose() {
		processRecursive(this, this);

		// Components.wireVariables(this, this); // auto wire variables
		// Components.addForwards(this, this); // auto forward
	}

	/**
	 * Go recursive through all founded components and 
	 * wires all vars and added all forwarders for ALL <br>
	 * window components. <br>
	 * 
	 * @param main
	 * @param child
	 */
	private void processRecursive(Window main, Window child) {
		Components.wireVariables(main, child);
		Components.addForwards(main, this);
		List<Component> winList = (List<Component>) child.getChildren();
		for (Component window : winList) {
			if (window instanceof Window) {
				processRecursive(main, (Window) window);
			}
		}
	}

}