java定时器,普通类取spring的bean

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java定时器,普通类取spring的bean

1. packagecom.cqa.cms.utils;
   
2. 
   
3. import java.sql.SQLException;
   
4. import java.util.List;
   
5. import java.util.Timer;
   
6. import java.util.TimerTask;
   
7. 
   
8. import javax.servlet.ServletContext;
   
9. import javax.servlet.ServletContextEvent;
   
10. import javax.servlet.ServletContextListener;
    
11. 
    
12. import org.springframework.web.context.support.WebApplicationContextUtils;
    
13. 
    
14. import com.cqa.cms.entity.CMSColumn;
    
15. import com.cqa.cms.service.IColumnTreeService;
    
16. import com.cqa.cms.service.IStatisticsColumnService;
    
17. 
    
18. public class TimerListener implements ServletContextListener {
    
19. 
    
20. private Timer timer = null;
    
21. public void contextDestroyed(ServletContextEvent arg0) {
    
22. timer.cancel();
    
23. }
    
24. 
    
25. public void contextInitialized(ServletContextEvent arg0) {
    
26. 
    
27. timer = new Timer();
    
28. timer.schedule(new RemoveTopTopicsTask(arg0.getServletContext()), 10000, 1000 * 6 * 1);
    
29. }
    
30. 
    
31. class RemoveTopTopicsTask extends TimerTask {
    
32. private ServletContext context;
    
33. public RemoveTopTopicsTask(ServletContext context){
    
34. this.context = context;
    
35. }
    
36. @Override
    
37. public void run() {
    
38. IColumnTreeService columnTreeService= WebApplicationContextUtils.getWebApplicationContext(context).getBean("columnTreeService", IColumnTreeService.class);
    
39. IStatisticsColumnService statisticsColumnService = WebApplicationContextUtils.getWebApplicationContext(context).getBean("statisticsColumnService", IStatisticsColumnService.class);
    
40. try {
    
41. List<CMSColumn> list = columnTreeService.columnsTree();
    
42. statisticsColumnService.accountStatistics(list);
    
43. System.out.println(list);
    
44. } catch (SQLException e) {
    
45. // TODO Auto-generated catch block
    
46. e.printStackTrace();
    
47. }
    
48. 
    
49. 
    
50. }
    
51. }
    

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