Adding css ResourceHandlers in Spring

Task

CSS to be added to the Spring 4 JSPs

Steps

1. Create folder called resources\theme1\css under webapp. (I use maven project)
   
2. Create main.css under css folder
3. Add the resource handler in the Application context config

@Configuration
@EnableWebMvc
@ComponentScan(basePackages = { "org.grassfield.gaja" })
public class ApplicationContextConfig extends WebMvcConfigurerAdapter {
    @Bean(name = "viewResolver")
    public InternalResourceViewResolver getViewResolver() {
        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setPrefix("/WEB-INF/views/");
        viewResolver.setSuffix(".jsp");
        System.out.println("---> returning viewResolver");
        return viewResolver;
    }
    
    @Override
    public void addResourceHandlers(final ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/resources/**").
        addResourceLocations("/resources/theme1/").
        setCachePeriod(31556926);
        System.out.println("---> returning resourcehandlers");
    }
}