java web启动后执行初始化任务

写一个类继承ApplicationListener，可以直接引用下述代码，然后调用相应的方法。

package com.linewell.system;

import com.linewell.cache.ApplicationData;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.stereotype.Component;

@Component
public class InitializationProcessor implements ApplicationListener<ContextRefreshedEvent> {


    @Override
    public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
        if (contextRefreshedEvent.getApplicationContext().getParent() == null) {
            System.out.println("run onApplicationEvent method");

            //dosomething
        }
    }
}