In JSF1 you can access the bean instances of your current FacesContext by
ExternalContext ec = FacesContext.getCurrentInstance().getExternalContext()
ev.getApplicationMap().get(beanName) // get an @ApplicationScoped bean instance
ev.getSessionMap().get(beanName) // get a @SessionScoped bean instance
ev.getRequestMap().get(beanName) // get a ...