Java Listener中Spring接口注入的使用

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import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.util.CollectionUtils;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import cn.org.rapid_framework.page.Page;


/**
 * Listener的方式在后台执行一线程
 * 
 * @author 
 * 
 */
public class MyListener implements ServletContextListener {
    private MyThread myThread;
    private Logger logger = Logger.getLogger(MyListener.class);

    public void contextDestroyed(ServletContextEvent e) {
        if (myThread != null && myThread.isInterrupted()) {
            myThread.interrupt();
        }
    }

    public void contextInitialized(ServletContextEvent e) {
        String str = null;
        if (str == null && myThread == null) {
            myThread = new MyThread(e);
            myThread.start(); // servlet 上下文初始化时启动 socket
        }
    }
}

/**
 * 自定义一个 Class 线程类继承自线程类，重写 run() 方法，用于从后台获取并处理数据
 * 
 * @author Champion.Wong
 * 
 */
class MyThread extends Thread {
    private Logger logger = Logger.getLogger(MyThread.class);
    ServletContextEvent _e;
    public MyThread(ServletContextEvent e) {
        _e = e;
    }

    public void run() {
        while (!this.isInterrupted()) {// 线程未中断执行循环
            IGoldenPhoneManager phoneManager;
            List<GoldenPhone> phoneList = new ArrayList<GoldenPhone>();
            WebApplicationContext context = WebApplicationContextUtils.getRequiredWebApplicationContext(_e.getServletContext());
            phoneManager = (IGoldenPhoneManager) context.getBean("igoldenPhoneManager");
            System.out.println("开始获取所有电话记录...");
            int pageSize = 100;
            for (int i = 0; i < 46800; i++) {
                GoldenPhoneQuery query = new GoldenPhoneQuery();
                query.setPageNumber(i);
                query.setPageSize(pageSize);
                Page result = phoneManager.findPage(query);
                if (result != null) {
                    phoneList = result.getResult();
                    System.out.println("获取所有电话记录数目：" + result.getResult().size());
                    if (!CollectionUtils.isEmpty(phoneList)) {
                        for (GoldenPhone phoneModel : phoneList) {
                            if (StringUtils.isBlank(phoneModel.getProvinces())) {
                                String provinces = new PhoneService().getPhoneArea(phoneModel.getTel());
                                phoneModel.setProvinces(provinces);
                                phoneManager.update(phoneModel);
                                try {
                                    Thread.sleep(3000);
                                    System.out.println("休息3m钟...");
                                } catch (InterruptedException e1) {
                                    e1.printStackTrace();
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

WebApplicationContext context = WebApplicationContextUtils.getRequiredWebApplicationContext(_e.getServletContext()); phoneManager = (IGoldenPhoneManager) context.getBean("igoldenPhoneManager");