--- android/TrainInfoService/src/dk/thoerup/traininfoservice/banedk/TimetableFetcher.java	2009/10/02 13:44:31	386
+++ android/TrainInfoService/src/dk/thoerup/traininfoservice/banedk/TimetableFetcher.java	2010/07/10 09:10:50	976
@@ -3,12 +3,25 @@
 
 import java.io.IOException;
 import java.net.URL;
+import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import com.gargoylesoftware.htmlunit.*;
-import com.gargoylesoftware.htmlunit.html.*;
+import com.gargoylesoftware.htmlunit.BrowserVersion;
+import com.gargoylesoftware.htmlunit.Page;
+import com.gargoylesoftware.htmlunit.RefreshHandler;
+import com.gargoylesoftware.htmlunit.WebClient;
+import com.gargoylesoftware.htmlunit.html.DomNodeList;
+import com.gargoylesoftware.htmlunit.html.HtmlElement;
+import com.gargoylesoftware.htmlunit.html.HtmlPage;
+
+import dk.thoerup.circuitbreaker.CircuitBreaker;
+import dk.thoerup.circuitbreaker.CircuitBreakerManager;
+import dk.thoerup.traininfoservice.StationDAO;
+import dk.thoerup.traininfoservice.Statistics;
 
 public class TimetableFetcher {
 	
@@ -17,24 +30,81 @@
 		}
 		
 	}
+		
+	Map<String, List<TimetableBean>> cache; 
+	Map<String, Integer> stationCache;
+
+	StationDAO stationDao = new StationDAO();
+	
 	
 	Logger logger = Logger.getLogger(TimetableFetcher.class.getName());
-
+	
+	private boolean useTempSite;
+	
+	public TimetableFetcher(boolean tmpSite, int cacheTimeout) {
+		useTempSite = tmpSite;
+		
+		cache = new TimeoutMap<String,List<TimetableBean>>(cacheTimeout);
+		stationCache = new TimeoutMap<String,Integer>( 3*60*60*1000 );
+	}
+	
+	
+	List<TimetableBean> cachedLookupTimetable(String trainID, String type) throws Exception {
+		String key = trainID+type;
+		List<TimetableBean> list = cache.get(key);
+		
+		if (list == null) {
+			list = lookupTimetable(trainID,type);
+			cache.put(key, list);
+		} else {
+			Statistics.getInstance().incrementTimetableCacheHits();
+			logger.info("Timetable: Cache hit " + trainID); 
+		}
+		return list;
+	}
+	
 	List<TimetableBean> lookupTimetable(String trainID, String type) throws Exception {
+		if (useTempSite == false ){
+			return lookupTimetableRealSite(trainID, type);
+		} else {
+			return new ArrayList<TimetableBean>(); // no timetable data on temp site
+		}
+	}
+	
+	int getStationId(String name) {
+		Integer id = stationCache.get(name);
+		
+		if (id == null) {
+			try {
+				id = stationDao.getIdByName(name);
+				stationCache.put(name, id);
+			} catch (SQLException e) {
+				logger.log(Level.SEVERE, "getStationId failed", e);
+				id = -1;
+			}
+		} 
+
+		return id;
+	}
+
+	List<TimetableBean> lookupTimetableRealSite(String trainID, String type) throws Exception {		
 		List<TimetableBean> timetableList = new ArrayList<TimetableBean>();
 		
-		String url = "http://www.bane.dk/visRute.asp?W=" + type + "&TogNr=" + trainID + "&artikelId=4276";
-				
+		//String url = "http://www.bane.dk/visRute.asp?W=" + type + "&TogNr=" + trainID + "&artikelId=4276";
+		String url = "http://trafikinfo.bane.dk/TrafikInformation/Ruteplan/" + trainID;			
 
-	    final WebClient webClient = new WebClient();
+	    final WebClient webClient = new WebClient(BrowserVersion.FIREFOX_3);
 	    webClient.setTimeout(2500);
 	    webClient.setJavaScriptEnabled(false);	   
 	    webClient.setRefreshHandler( new NullRefreshHandler() );
 	    webClient.setCssEnabled(false);
 	    
 	    
-	    final HtmlPage page = webClient.getPage(url);
+	    HtmlunitInvocation wrapper = new HtmlunitInvocation(webClient, url);
+	    CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
 	    
+	    HtmlPage page = (HtmlPage) breaker.invoke(wrapper);
+	    	    
 	    
 	    boolean currentStation = false;
 	    boolean currentStationSaved = false;
@@ -58,22 +128,54 @@
 	    		}
 	    		
 	    		TimetableBean bean = new TimetableBean();
-	    		bean.setStation( fields.get(0).asText() );
+	    		
+	    		String station = fields.get(0).asText() ;
+	    		if (station.equals("København"))
+	    			station = "København H"; //correct inconsistency in naming
+	    		
+	    		bean.setStation( station );
 	    		bean.setArrival( fields.get(1).asText() );
 	    		bean.setDeparture( fields.get(2).asText() );
 	    		
+	    		boolean cancelled = fields.get(3).asText().equalsIgnoreCase("aflyst");
+	    		bean.setCancelled(cancelled);
+	    		
 	    		if (currentStation == true && currentStationSaved == false ) {
 	    			bean.setCurrent(currentStation);
 	    			currentStationSaved = true;
 	    		}
 	    		
+	    		bean.setStationId( getStationId( station ));
+	    		
 	    		timetableList.add(bean);
-
+	    	}
+	    	
+	    	final String cancelledString = "Aflyst";
+	    	for (int i=0;i<timetableList.size(); i++) { //handle cancelled labels
+	    		final int lastIdx = (timetableList.size() - 1);
+	    		
+	    		TimetableBean current = timetableList.get(i);
+	    		if (current.isCancelled()) {
+		    		if (i == 0) {
+		    			current.setDeparture(cancelledString);
+		    		} else if (i == lastIdx) {
+		    			current.setArrival(cancelledString);
+		    		} else if (i>0 && i<lastIdx) {
+		    			TimetableBean next = timetableList.get(i+1);
+		    			TimetableBean prev = timetableList.get(i-1);
+		    			
+		    			if (next.isCancelled())
+		    				current.setDeparture(cancelledString);
+		    			if (prev.isCancelled())
+		    				current.setArrival(cancelledString);
+		    		}
+	    		}
 	    	}
 	    	
 	    } else {
 	    	logger.warning("No time table found, trainID=" + trainID + " type=" + type);
 	    }
+	    webClient.closeAllWindows();
 		
 		return timetableList;
 	}