Spring's Java based Configuration

WebConfig.java

package com.inflinx.springmvc.config;

import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;

@Configuration
@EnableWebMvc
@ComponentScan(basePackages = {"com.inflinx.spring4.web"} )
public class WebConfig extends WebMvcConfigurerAdapter {
 
	@Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
	
	@Override
	public void addViewControllers(ViewControllerRegistry viewControllerRegistry) {
		viewControllerRegistry.addViewController("/").setViewName("index");
	}
	
	@Bean
    public ViewResolver viewResolver() {
        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setViewClass(JstlView.class);
        viewResolver.setPrefix("/WEB-INF/views/");
        viewResolver.setSuffix(".jsp");
        return viewResolver;
    }

    @Bean
    public MessageSource messageSource() {
    	ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
        messageSource.setBasenames("messages/messages");
        return messageSource;
    }
    
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry resourceHandlerRegistry) {
    	resourceHandlerRegistry.addResourceHandler("/scripts/**").addResourceLocations("/js/").setCachePeriod(31556926);
    	resourceHandlerRegistry.addResourceHandler("/styles/**").addResourceLocations("/styles/").setCachePeriod(31556926);
    	resourceHandlerRegistry.addResourceHandler("/images/**").addResourceLocations("/images/").setCachePeriod(31556926);
    	
    	// Include static content from web jars
    	resourceHandlerRegistry.addResourceHandler("/static/**").addResourceLocations("classpath:/META-INF/resources/webjars/").setCachePeriod(31556926);
    }
	
}