package com.webapplication;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;

import javax.inject.Singleton;

@Singleton
@SpringBootApplication
public class BootApp {

    public static void main(String[] args) {
        SpringApplication.run(BootApp.class, args);
    }

    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
        return args -> {

            System.out.println("Checking beans, provided by Spring Boot:");

            String[] beanNames = ctx.getBeanDefinitionNames();
            for (String beanName : beanNames) {
                System.out.println(beanName);
            }
            System.out.println("Finished.");
        };
    }
}