Spring File upload Java Configuration

Config.java

@Configuration
@ComponentScan("com.myspring")
@EnableWebMvc
public class Config extends WebMvcConfigurerAdapter{
    @Bean
    public ViewResolver viewResolver(){
    InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setViewClass(JstlView.class);
        viewResolver.setPrefix("/WEB-INF/jsp/");
        viewResolver.setSuffix(".jsp");
        viewResolver.setOrder(0);
        return viewResolver;
    
    }
    
    @Bean(name = "multipartResolver")
    public StandardServletMultipartResolver resolver() {
        return new StandardServletMultipartResolver();
    }
    
}

WebInitializer.java

public class WebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
 
    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class[] { Config.class };
    }
 
    @Override
    protected Class<?>[] getServletConfigClasses() {
        return null;
    }
 
    @Override
    protected String[] getServletMappings() {
        return new String[] { "/" };
    }
 
    @Override
    protected void customizeRegistration(ServletRegistration.Dynamic registration) {
        registration.setMultipartConfig(getMultipartConfigElement());
    }
 
    private MultipartConfigElement getMultipartConfigElement() {
        MultipartConfigElement multipartConfigElement = new MultipartConfigElement( LOCATION, MAX_FILE_SIZE, MAX_REQUEST_SIZE, FILE_SIZE_THRESHOLD);
        return multipartConfigElement;
    }
 
  // if windows then configure C:/bla/bla
    private static final String LOCATION = "/home/gurkan"; // Temporary location where files will be stored
 
    private static final long MAX_FILE_SIZE = 5242880; // 5MB : Max file size.
                                                        // Beyond that size spring will throw exception.
    private static final long MAX_REQUEST_SIZE = 20971520; // 20MB : Total request size containing Multi part.
     
    private static final int FILE_SIZE_THRESHOLD = 0; // Size threshold after which files will be written to disk
}