Spring Boot + JSF static page configurations - spring

Question

am getting started with Spring Boot + JSF.
Spring documentation says:
Spring will automatically load and serve resources inside
/static (or /public or /resources or /META-INF/resources.
This is not working for me.
it is discouraged to use the "webapp" (src/main/webapp) folder.
But for my static content, it seem to be the only folder thats working with my JSF static page.
see Spring Boot static content.
I have tried these configuration:
#Configuration
public class JSFServletConfigs implements ServletContextInitializer// ,ServletContextAware
{
#Override // ServletContext initiallization parameters
public void onStartup(ServletContext servletContext) throws ServletException {
servletContext.setInitParameter("facelets.DEVELOPMENT", "false");
servletContext.setInitParameter("javax.faces.PROJECT_STAGE", "Development");
servletContext.setInitParameter("javax.faces.DEFAULT_SUFFIX", ".xhtml");
servletContext.setInitParameter("javax.faces.PARTIAL_STATE_SAVING_METHOD", "true");
servletContext.setInitParameter("javax.faces.FACELETS_REFRESH_PERIOD", "-1");
}
#Bean // Registering the FacesServlet.
public ServletRegistrationBean servletRegistrationBean() {
FacesServlet servlet = new FacesServlet();
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(servlet) {
#Override
public void onStartup(ServletContext servletContext) throws ServletException {
FacesInitializer facesInitializer = new FacesInitializer();
Set<Class<?>> clazz = new HashSet<Class<?>>();
clazz.add(JSFServletConfigs.class);
facesInitializer.onStartup(clazz, servletContext);
}
};
servletRegistrationBean.addUrlMappings("*.xhtml", "*.jsf", "*.html");
return servletRegistrationBean;
}
#Bean
public InternalResourceViewResolver jsfViewResolving(){
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setViewClass(JstlView.class);
viewResolver.setPrefix("/<sub-folder of any LOCATION>/");
viewResolver.setSuffix(".xhtml");
return viewResolver;
}
}
Servlet pre-configs:
#Configuration
#EnableWebMvc
public class DefaultServletConfigs extends WebMvcConfigurerAdapter {
#Override // Enabling the default Servlet at path="/"
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
private final String[] LOCATIONS = {"<All my possible locations>"};
#Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
if(!registry.hasMappingForPattern("/**")){
registry.addResourceHandler("/**").addResourceLocations(LOCATIONS);
}
if(!registry.hasMappingForPattern("webjars")){
registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
}
}
}
My Question are:
What am I missing here?
How do I get the flexibility to place my resources in any of the other folders above
(i.e. "/static", "/public", "/resources", "/META-INF/resources").