ExampleServletApplication.java

package net.unit8.waitt.example;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.web.DispatcherServletAutoConfiguration;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.embedded.ServletRegistrationBean;
import org.springframework.boot.context.web.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.DispatcherServlet;

/**
 * @author kawasima
 */
@SpringBootApplication
public class ExampleServletApplication extends SpringBootServletInitializer {
    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(ExampleServletApplication.class);
    }

    @Bean
    public DispatcherServlet dispatcherServlet() {
        return new DispatcherServlet();
    }

    @Bean
    public ServletRegistrationBean dispatcherServletRegistration() {

        ServletRegistrationBean registration = new ServletRegistrationBean(
                dispatcherServlet(), "/*");

        registration
                .setName(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_REGISTRATION_BEAN_NAME);

        return registration;
    }

    public static void main(String... args) throws Exception {
        SpringApplication.run(ExampleServletApplication.class, args);
    }
}