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1   /*
2    * Licensed under the GPL License. You may not use this file except in compliance with the License.
3    * You may obtain a copy of the License at
4    *
5    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
6    *
7    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
8    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
9    * PURPOSE.
10   */
11  package psiprobe.controllers.apps;
12  
13  import jakarta.servlet.http.HttpServletRequest;
14  import jakarta.servlet.http.HttpServletResponse;
15  
16  import java.lang.management.ManagementFactory;
17  
18  import org.springframework.beans.factory.annotation.Value;
19  import org.springframework.stereotype.Controller;
20  import org.springframework.web.bind.annotation.GetMapping;
21  import org.springframework.web.servlet.ModelAndView;
22  import org.springframework.web.servlet.mvc.ParameterizableViewController;
23  
24  /**
25   * The Class AjaxUptimeController.
26   */
27  @Controller
28  public class AjaxUptimeController extends ParameterizableViewController {
29  
30    @GetMapping(path = "/uptime.ajax")
31    @Override
32    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
33        throws Exception {
34      return super.handleRequest(request, response);
35    }
36  
37    @Override
38    protected ModelAndView handleRequestInternal(HttpServletRequest request,
39        HttpServletResponse response) throws Exception {
40      long uptimeStartValue = ManagementFactory.getRuntimeMXBean().getStartTime();
41      long uptime = System.currentTimeMillis() - uptimeStartValue;
42      long uptimeDays = uptime / (1000 * 60 * 60 * 24);
43  
44      uptime = uptime % (1000 * 60 * 60 * 24);
45      long uptimeHours = uptime / (1000 * 60 * 60);
46  
47      uptime = uptime % (1000 * 60 * 60);
48      long uptimeMins = uptime / (1000 * 60);
49  
50      request.setAttribute("uptime_days", uptimeDays);
51      request.setAttribute("uptime_hours", uptimeHours);
52      request.setAttribute("uptime_mins", uptimeMins);
53  
54      return new ModelAndView(getViewName());
55    }
56  
57    @Value("ajax/uptime")
58    @Override
59    public void setViewName(String viewName) {
60      super.setViewName(viewName);
61    }
62  
63  }