I have the following menu builder method, suppose it navigate to the to binding Expression
but i did nothing, and there is no exception

public void setMenu(HtmlDropDownMenu menu) {
this.menu = menu;
this.menu.getChildren().clear();
HtmlMenuItem item;
for(Object obj : menuList){
item = new HtmlMenuItem();
Application app = FacesContext.getCurrentInstance().getApplication();
MethodExpression mBinding =
app.getExpressionFactory().createMethodExpression(FacesContext.getCurrentInstance().getELContext(), "#{taskBarImpl.nav}",String.class ,new Class[]{ });
item.setActionExpression(mBinding);
item.addActionListener(new MethodExpressionActionListener(mBinding));

addToMenu(item, obj.toString());

}

}



need help