/[projects]/android/TrainInfoService/src/dk/thoerup/traininfoservice/banedk/DepartureFetcher.java
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revision 375 by torben, Wed Sep 30 20:58:37 2009 UTC revision 421 by torben, Thu Oct 8 12:19:42 2009 UTC
# Line 8  import java.util.Collections; Line 8  import java.util.Collections;
8  import java.util.List;  import java.util.List;
9  import java.util.logging.Logger;  import java.util.logging.Logger;
10    
 import com.gargoylesoftware.htmlunit.ProxyConfig;  
11  import com.gargoylesoftware.htmlunit.WebClient;  import com.gargoylesoftware.htmlunit.WebClient;
12  import com.gargoylesoftware.htmlunit.html.DomNodeList;  import com.gargoylesoftware.htmlunit.html.DomNodeList;
13  import com.gargoylesoftware.htmlunit.html.HtmlElement;  import com.gargoylesoftware.htmlunit.html.HtmlElement;
14  import com.gargoylesoftware.htmlunit.html.HtmlPage;  import com.gargoylesoftware.htmlunit.html.HtmlPage;
15    
16    import dk.thoerup.curcuitbreaker.CircuitBreaker;
17    import dk.thoerup.curcuitbreaker.CircuitBreakerManager;
18  import dk.thoerup.traininfoservice.DBConnection;  import dk.thoerup.traininfoservice.DBConnection;
19    
20  public class DepartureFetcher {  public class DepartureFetcher {
21                    
22          Logger logger = Logger.getLogger(DepartureFetcher.class.getName());          Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
23            
24            TimeoutCache<Integer, List<DepartureBean>> cache = new TimeoutCache<Integer,List<DepartureBean>>(120 * 1000);
25            
26                    
27            
28            public List<DepartureBean> cachedLookupDepartures(int stationID) throws Throwable {
29    
30                    List<DepartureBean> list = cache.get(stationID);
31                    
32                    if (list == null) {
33                            list = lookupDepartures(stationID);
34                            cache.put(stationID, list);
35                    } else {
36                            logger.info("Departure: Cache hit " + stationID); //remove before production
37                    }
38                    return list;
39            }
40                                    
41    
42          public List<DepartureBean> lookupDepartures(int stationID) throws Exception {          public List<DepartureBean> lookupDepartures(int stationID) throws Throwable {
43                  List<DepartureBean> departureList = new ArrayList<DepartureBean>();                  List<DepartureBean> departureList = new ArrayList<DepartureBean>();
44                                    
45                  Connection conn = null;                  Connection conn = null;
# Line 58  public class DepartureFetcher { Line 76  public class DepartureFetcher {
76                  return departureList;                  return departureList;
77          }          }
78                    
79          public List<DepartureBean> lookupDepartures(String stationcode, String type) throws Exception {          public List<DepartureBean> lookupDepartures(String stationcode, String type) throws Throwable {
80                                    
81                  List<DepartureBean> departureList = new ArrayList<DepartureBean>();                  List<DepartureBean> departureList = new ArrayList<DepartureBean>();
82                                    
83              final WebClient webClient = new WebClient();              final WebClient webClient = new WebClient();
84              webClient.setTimeout(1000);              webClient.setTimeout(2500);
85              webClient.setJavaScriptEnabled(false);              webClient.setJavaScriptEnabled(false);
86                                                            
87                String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
88                BanedkInvocation wrapper = new BanedkInvocation(webClient, uri);
89                CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
90                            
91              final HtmlPage page = webClient.getPage("http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode);              HtmlPage page = (HtmlPage) breaker.invoke(wrapper);
92                            
93              HtmlElement table = page.getElementById("afgangtabel");              HtmlElement table = page.getElementById("afgangtabel");
94                            
# Line 90  public class DepartureFetcher { Line 111  public class DepartureFetcher {
111                                  departure.setUpdated(updated);                                  departure.setUpdated(updated);
112                                                                    
113                                  String trainNumber = fields.get(2).asText();                                  String trainNumber = fields.get(2).asText();
114                                  if (trainNumber.trim().length() == 1)                                  if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
115                                          trainNumber = trainNumber + " " + extractTrainNumber(fields.get(2));                                          trainNumber = trainNumber + " " + extractTrainNumber(fields.get(2));
116                                  departure.setTrainNumber(trainNumber);                                  departure.setTrainNumber(trainNumber);
117                                                                    
# Line 167  public class DepartureFetcher { Line 188  public class DepartureFetcher {
188          }          }
189                    
190          //test          //test
191          public static void main(String args[]) throws Exception{          public static void main(String args[]) throws Throwable {
192                  DepartureFetcher f = new DepartureFetcher();                  DepartureFetcher f = new DepartureFetcher();
193                  List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");                  List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
194                  for(DepartureBean d : deps) {                  for(DepartureBean d : deps) {
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