@ManagedBean(name = "StartParamBean", eager = true)
@ApplicationScoped
public class StartParamBean implements Serializable {
@PostConstruct
    public void init() {
        ApplicationContext context = SpringContextManager.getContext();
       }
}

public class SpringContextManager implements ApplicationContextAware {

    private static ApplicationContext context;

    @Override
    public void setApplicationContext(ApplicationContext ac) throws BeansException {
        context = ac;
    }

    public static ApplicationContext getContext() {
        return context;
    }

}

<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/application-context.xml</param-value>
    </context-param>   
<listener>
        <!-- add application context (applicationContext.xml)-->
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>