contextobject.java

Tomcat下Jsp和JavaBean实现的登陆及其身份验证功能代码

package exercise_1_part_1;

import java.util.*;

public class ContextObject {
    private List list = new ArrayList();
    private Timer timer = null;
    private boolean isCont = true;
    public ContextObject() {
    }

    public void time() {
        Date some = new Date();
        list.add(some);
    }

    public List getTime() {
        return list;
    }

    public void startTimeStamp() {
        timer = new Timer();
        timer.start();
    }

    public void stopTimeStamp() {
        isCont = false;
        timer.interrupt();
    }

    class Timer extends Thread {
        public void run() {
            while (isCont) {
                try {
                    sleep(10000);
                } catch (InterruptedException ex) {
                    interrupt();
                    break;
                }
                time();
            }
        }
    }
}