@ApplicationScoped
@Named("menu")
public class MenuFacade extends NestMB implements Serializable {

    private MenuModel modelMain;
    private MenuModel modelBar;
    private List<Menunavigation> menuNavMainList;
    private List<Menunavigation> menuNavBarList;
    private String content = "homepage.xhtml";
    private String titleContent = msg.getString("nest");

    public MenuFacade() {

    }

    @PostConstruct
    public void init(){
         this.modelMain = menuBuilder("mainMenu");
         this.modelBar = menuBuilder("menuBar");
    }

    public MenuModel menuBuilder(String menuType) {
        MenuModel menuModel = new DefaultMenuModel();
        String label;
        Map<String, String> parameters = new HashMap<>();
        parameters.put("menuclass", menuType);
        List<Menunavigation> menunavigationlList = crudService.findWithNamedQuery("Menunavigation.findByMenuclass", parameters, 0);
        for (int i = 0; i < menunavigationlList.size(); i++) {
            Menunavigation m = menunavigationlList.get(i);
            if ("none".equalsIgnoreCase(m.getParent()) && m.getMenutype().equalsIgnoreCase("menu")) {
                DefaultSubMenu defaultSubMenu = new DefaultSubMenu(m.getMenuvalue());
                defaultSubMenu.setIcon(m.getIcon());
                menunavigationlList.remove(m);
                i -= 1;
                defaultSubMenu = addItem(defaultSubMenu, menunavigationlList);
                menuModel.addElement(defaultSubMenu);
            }
        }
        return menuModel;
    }

    private DefaultSubMenu addItem(DefaultSubMenu defaultSubMenu, List<Menunavigation> menunavigationlList) {
        for (int i = 0; i < menunavigationlList.size(); i++) {
            Menunavigation m = menunavigationlList.get(i);
            if (m.getParent().equalsIgnoreCase(defaultSubMenu.getLabel()) && m.getMenutype().equalsIgnoreCase("item")) {
                DefaultMenuItem defaultMenuItem = new DefaultMenuItem(m.getMenuvalue());
                defaultMenuItem.setCommand("#{loginFcd.setTitleAndContent('" + m.getUrl() + "', '"+m.getMenuvalue()+ "')}");
                defaultMenuItem.setUpdate(":contentPage");
                defaultMenuItem.setGlobal(true);
                defaultMenuItem.setIcon(m.getIcon());
                defaultSubMenu.addElement(defaultMenuItem);
                menunavigationlList.remove(m);
                i -= 1;
            } else if (m.getParent().equalsIgnoreCase(defaultSubMenu.getLabel()) && m.getMenutype().equalsIgnoreCase("menu")) {
                DefaultSubMenu addDefaultSubMenu = new DefaultSubMenu(m.getMenuvalue());
                addDefaultSubMenu.setIcon(m.getIcon());
                menunavigationlList.remove(m);
                i -= 1;
                defaultSubMenu.addElement(addItem(addDefaultSubMenu, menunavigationlList));
            }
        }
        return defaultSubMenu;
    }

    public MenuModel getModelMain() {
        return modelMain;
    }

    public void setModelMain(MenuModel modelMain) {
        this.modelMain = modelMain;
    }

    public MenuModel getModelBar() {
        return modelBar;
    }

    public void setModelBar(MenuModel modelBar) {
        this.modelBar = modelBar;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public String getTitleContent() {
        return titleContent;
    }

    public void setTitleContent(String titleContent) {
        this.titleContent = titleContent;
    }

}

@SessionScoped
@Named("loginFcd")
public class LoginFacade extends NestMB implements Serializable {

    private Users user = new Users();
    private List<Users> listUser;
    private String username;
    private String password;
    private String content = "homepage.xhtml";
    private String titleContent = msg.getString("nest");

    public LoginFacade() {
    }

    public String doLogin() {
        boolean result;
        HashMap<String, Object> parameters = new HashMap<>();
        parameters.put("username", username);
        parameters.put("password", Md5Maker.md5Java(password));
        listUser = crudService.findWithNamedQuery("Users.findByUsername&Password", parameters, 0);
        if (!listUser.isEmpty()) {
            user = listUser.get(0);
            HttpSession session = SessionUtil.getSession();
            session.setAttribute("username", username);
            return "nest?faces-redirect=true";
        } else {
            createMessage("INFO", inf.getString("sessionIsExist"));
            return "login.xhtml";
        }
    }

    public String doLogout() {
        HttpSession session = SessionUtil.getSession();
        session.invalidate();
        return "login?faces-redirect=true";
    }

    public void idleSessionTimeoutHandler(){
        executeInstance("idleDialog.show()");
    }

    public void setTitleAndContent(String url, String title){
        setTitleContent(title);
        setContent(url);
    }

    public Users getUser() {
        return user;
    }

    public void setUser(Users user) {
        this.user = user;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public String getTitleContent() {
        return titleContent;
    }

    public void setTitleContent(String titleContent) {
        this.titleContent = titleContent;
    }

}

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://xmlns.jcp.org/jsf/html"
      xmlns:f="http://java.sun.com/jsf/core"
      xmlns:p="http://primefaces.org/ui"
      xmlns:ui="http://xmlns.jcp.org/jsf/facelets"
      xmlns:c="http://xmlns.jcp.org/jsp/jstl/core">
    <h:head>
        <title>Nest</title>
        <link href="#{facesContext.externalContext.requestContextPath}/resources/css/default.css" rel="stylesheet" type="text/css" />
        <link href="#{facesContext.externalContext.requestContextPath}/resources/css/style.css" rel="stylesheet" type="text/css" />
        <link rel="shortcut icon" type="image/x-icon" href="#{facesContext.externalContext.requestContextPath}/resources/images/favicon.png"/>
    </h:head>
    <h:body id="all">
        <h:form>
            <p:growl id="growl" autoUpdate="true" showDetail="true"/>
        </h:form>
        <p:layout fullPage="true">
            <p:layoutUnit position="north"
                          size="50">
                <ui:include src="menuTop.xhtml" />
            </p:layoutUnit>

            <p:layoutUnit id="west"
                          position="west"
                          size="190"
                          header="#{cmn.welcome}, #{loginFcd.user.username}"
                          resizable="true"
                          collapsible="true"
                          style="overflow: auto;">
                <ui:include src="menu.xhtml" />
            </p:layoutUnit>

            <p:layoutUnit id="center"
                          position="center"
                          style="overflow: auto;">
                    <ui:insert name="content"></ui:insert>
            </p:layoutUnit>
        </p:layout>
    </h:body>
</html>

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns:ui="http://xmlns.jcp.org/jsf/facelets"
                template="./layout/layout.xhtml"
                xmlns:h="http://xmlns.jcp.org/jsf/html"
                xmlns:p="http://primefaces.org/ui">

    <ui:define name="content">
        <h:panelGroup id="contentPage">
    </ui:define>

</ui:composition>