Spring Bootでアプリケーション起動時に何らかの処理を実行するコード例

spring_boot_do_something_at_startup.java

package mypackage;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;


@SpringBootApplication
public class MyApplication {

	private static Logger log = LoggerFactory.getLogger(MyApplication.class);
	
	public static void main(String[] args) {
		ConfigurableApplicationContext ctx = SpringApplication.run(MyApplication.class, args);
		MyApplication app = ctx.getBean(MyApplication.class);
		app.execStartup(args);
	}
		
	public void execStartup(String[] args) {
    // ここにアプリケーション起動時に実行したい処理を書く
  }
}