Spring/SpringMVC在启动完成后执行方法-优快云博客

本文链接：https://blog.youkuaiyun.com/pyzheng/article/details/84754330

本文介绍了一个Spring应用启动监听器的具体实现方式。通过监听ContextRefreshedEvent事件，在Spring应用完全启动后创建站点地图（sitemap），利用Timer进行任务调度。

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[url]http://www.icoolxue.com/blog/show/21[/url]

/*
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 * and open the template in the editor.
 */
package com.storezhang.web;

import com.storezhang.util.TimeUtils;
import com.storezhang.video.util.SiteMapUtils;
import java.util.Timer;
import java.util.TimerTask;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.stereotype.Service;

/**
 * 启动监听器
 *
 * @author Storezhang
 */
@Service
public class StartupListener implements ApplicationListener<ContextRefreshedEvent> {

    @Autowired
    private SiteMapUtils sites;

    @Override
    public void onApplicationEvent(ContextRefreshedEvent evt) {
        if (evt.getApplicationContext().getParent() == null) {
            createSitemap();
        }
    }

    private void createSitemap() {
        Timer timer = new Timer("createSitemap", true);
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                System.out.println("--->Create sitemap...");
                sites.createSiteMap();
                System.out.println("--->Success create sitemap...");
            }
        }, 1 * TimeUtils.MIN);
    }
}