/[projects]/android/TrainInfoService/src/dk/thoerup/traininfoservice/banedk/TimetableServlet.java
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Diff of /android/TrainInfoService/src/dk/thoerup/traininfoservice/banedk/TimetableServlet.java

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revision 350 by torben, Mon Sep 28 21:33:24 2009 UTC revision 462 by torben, Wed Oct 21 08:43:45 2009 UTC
# Line 2  package dk.thoerup.traininfoservice.bane Line 2  package dk.thoerup.traininfoservice.bane
2    
3  import java.io.IOException;  import java.io.IOException;
4  import java.util.List;  import java.util.List;
5    import java.util.logging.Level;
6  import java.util.logging.Logger;  import java.util.logging.Logger;
7    
8  import javax.servlet.ServletException;  import javax.servlet.ServletException;
# Line 9  import javax.servlet.http.HttpServlet; Line 10  import javax.servlet.http.HttpServlet;
10  import javax.servlet.http.HttpServletRequest;  import javax.servlet.http.HttpServletRequest;
11  import javax.servlet.http.HttpServletResponse;  import javax.servlet.http.HttpServletResponse;
12    
13    import dk.thoerup.curcuitbreaker.CircuitBreakerException;
14    
15  /**  /**
16   * Servlet implementation class TimetableServlet   * Servlet implementation class TimetableServlet
17   */   */
# Line 20  public class TimetableServlet extends Ht Line 23  public class TimetableServlet extends Ht
23                    
24          TimetableFetcher fetcher = new TimetableFetcher();          TimetableFetcher fetcher = new TimetableFetcher();
25                    
26            @Override
27          protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {          protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
28                    if (request.getParameter("train") == null) {
29                            response.sendError(400, "not enough parameters");
30                            return;
31                    }
32                    
33                  String train = request.getParameter("train").trim();                  String train = request.getParameter("train").trim();
34                                    
35                  String sections[] = train.split(" ");                  String sections[] = train.split(" ");
# Line 33  public class TimetableServlet extends Ht Line 42  public class TimetableServlet extends Ht
42                  String trainID = sections[1];                  String trainID = sections[1];
43                  try                  try
44                  {                  {
45                          List<TimetableBean> timetable = fetcher.lookupTimetable(trainID, type);                          List<TimetableBean> timetable = fetcher.cachedLookupTimetable(trainID, type);
46                                    
47                          String responseXML = formatTimetable(timetable);                          String responseXML = formatTimetable(timetable);
48                                    
49                          response.setContentType("text/xml");                          response.setContentType("text/xml");
50                          response.getWriter().print(responseXML);                          response.getWriter().print(responseXML);
51                  } catch (Exception e) {                  } catch (java.io.IOException ioe) {
52                          logger.warning("failure looking up timetable: train=" +train);                          logger.warning("(timetable) Read failed, train="+train + ". " + ioe.getMessage());
53                          throw new ServletException(e);                          response.sendError(500, "Backend timed out");
54                    } catch (CircuitBreakerException cbe) {
55                            logger.warning("Circuitbreaker - failing fast");
56                            response.sendError(500);
57                    }catch (Exception e) {
58                            logger.log(Level.WARNING, "failure looking up timetable: train=" +train, e);
59                            response.sendError(500);
60                  }                  }
61                                    
62          }          }
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