menudianamico

public class ControleMenuManagedBean {
    private String url;
    private MenuModel menuModel;
    @EJB
    private ModuloBusinessRemote moduloBusiness;
    @EJB
    private PaginaBusinessRemote paginaBusiness;
    @PostConstruct
    public void init() {
        this.geraListaModulos();
    }
    public MenuModel geraListaModulos() {
        this.menuModel = new DefaultMenuModel();
        Submenu submenu;
        MenuItem item;
        try {
            for (Modulo modulo : this.moduloBusiness.listar()) {
                submenu = new Submenu();
                submenu.setLabel(modulo.getNome());
                for (Pagina pagina : this.paginaBusiness.listar()) {
                    if (pagina.getModulo().getId().equals(modulo.getId())) {
                        item = new MenuItem();
                        item.setValue(pagina.getNome());
                        item.setAjax(false);
                        item.setActionExpression(this.createExpression("#{controleMenuMB.getItemMenuSelecionado}", String.class, null));
                        item.addActionListener(this.createPropertyActionListener("#{controleMenuMB.url}", pagina.getUrl()));
                        submenu.getChildren().add(item);
                    }
                }
                this.menuModel.addSubmenu(submenu);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return this.menuModel;
    }
    public void getItemMenuSelecionado() {
        System.out.println("Entro no getMenu");
        FacesContext facesContext = FacesContext.getCurrentInstance();
        String url = this.getUrl();
        System.out.println("URL: " + url);
    }
    private MethodExpression createExpression(final String expression, final Class<?> returnType, final Class<?>[] parameters) {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        Application application = facesContext.getApplication();
        ExpressionFactory expressionFactory = application.getExpressionFactory();
        ELContext elContext = facesContext.getELContext();
        return expressionFactory.createMethodExpression(elContext, expression, returnType, parameters);
    }
    private ValueExpression createValueExpression(final String expression, final Class<?> expectedType) {
        final ExpressionFactory expressionFactory;
        final ELContext elContext;
        FacesContext facesContext = FacesContext.getCurrentInstance();
        expressionFactory = facesContext.getApplication().getExpressionFactory();
        elContext = facesContext.getELContext();
        return expressionFactory.createValueExpression(elContext, expression, expectedType);
    }
    public MenuModel getMenuModel() {
        return menuModel;
    }
    private SetPropertyActionListenerImpl createPropertyActionListener(final String expression, final Object value) {
        final ExpressionFactory expressionFactory;
        FacesContext facesContext = FacesContext.getCurrentInstance();
        expressionFactory = facesContext.getApplication().getExpressionFactory();
        return new SetPropertyActionListenerImpl(createValueExpression(expression, value.getClass()), expressionFactory.createValueExpression(value, value.getClass()));
    }
    public String getUrl() {
        return url;
    }
    public void setUrl(String url) {
        this.url = url;
    }








<ui:composition id="content">
        <h:form>
            <nav id="menuWeb">
                <p:dataList value="#{controller.menusSeleccion}" var="ms" pt:data-inset="true" paginator="false">
                    <menu>
                       <h:link value="#{ms.nombre}" outcome="#{ms.rutaArchivo}" />
                    </menu>
               </p:dataList>
            </nav>
        </h:form>
    </ui:composition>