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import java.net.URL; |
import java.net.URL; |
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import java.sql.SQLException; |
import java.sql.SQLException; |
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import java.util.ArrayList; |
import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
import java.util.Map; |
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import java.util.logging.Level; |
import java.util.logging.Level; |
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import java.util.logging.Logger; |
import java.util.logging.Logger; |
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import net.sf.jsr107cache.Cache; |
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import net.sf.jsr107cache.CacheException; |
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import net.sf.jsr107cache.CacheManager; |
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import org.jsoup.nodes.Document; |
import org.jsoup.nodes.Document; |
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import org.jsoup.nodes.Element; |
import org.jsoup.nodes.Element; |
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import org.jsoup.select.Elements; |
import org.jsoup.select.Elements; |
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import com.google.appengine.api.memcache.jsr107cache.GCacheFactory; |
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import dk.thoerup.android.traininfo.common.TimetableBean; |
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import dk.thoerup.android.traininfo.common.TimetableEntry; |
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import dk.thoerup.circuitbreaker.CircuitBreaker; |
import dk.thoerup.circuitbreaker.CircuitBreaker; |
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import dk.thoerup.circuitbreaker.CircuitBreakerManager; |
import dk.thoerup.circuitbreaker.CircuitBreakerManager; |
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import dk.thoerup.traininfoservice.StationDAO; |
import dk.thoerup.traininfoservice.StationDAO; |
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public class TimetableFetcher { |
public class TimetableFetcher { |
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Map<String, List<TimetableBean>> cache; |
Cache cache; |
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Map<String, Integer> stationCache; |
Cache stationCache; |
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StationDAO stationDao = new StationDAO(); |
StationDAO stationDao = new StationDAO(); |
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private boolean useAzureSite; |
private boolean useAzureSite; |
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private int replyTimeout; |
private int replyTimeout; |
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@SuppressWarnings("unchecked") |
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public TimetableFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) { |
public TimetableFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) { |
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useAzureSite = azureSite; |
useAzureSite = azureSite; |
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this.replyTimeout = replyTimeout; |
this.replyTimeout = replyTimeout; |
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Map props = new HashMap(); |
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props.put(GCacheFactory.EXPIRATION_DELTA_MILLIS, cacheTimeout); |
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try { |
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cache = CacheManager.getInstance().getCacheFactory().createCache(props); |
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} catch (CacheException e) { |
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logger.log(Level.WARNING, "error creating cache", e); |
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} |
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props = new HashMap(); |
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props.put(GCacheFactory.EXPIRATION_DELTA_MILLIS, 3*60*60*1000); |
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cache = new TimeoutMap<String,List<TimetableBean>>(cacheTimeout); |
try { |
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stationCache = new TimeoutMap<String,Integer>( 3*60*60*1000 ); |
stationCache = CacheManager.getInstance().getCacheFactory().createCache(props); |
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} catch (CacheException e) { |
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logger.log(Level.WARNING, "error creating cache", e); |
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} |
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} |
} |
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List<TimetableBean> cachedLookupTimetable(String trainID, String type) throws Exception { |
TimetableBean cachedLookupTimetable(String trainID, String type) throws Exception { |
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String key = trainID+type; |
String key = trainID+type; |
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List<TimetableBean> list = cache.get(key); |
TimetableBean list = cache.get(key); |
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if (list == null) { |
if (list == null) { |
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list = lookupTimetable(trainID,type); |
list = lookupTimetable(trainID,type); |
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return list; |
return list; |
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} |
} |
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List<TimetableBean> lookupTimetable(String trainID, String type) throws Exception { |
TimetableBean lookupTimetable(String trainID, String type) throws Exception { |
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if (useAzureSite == true ){ |
if (useAzureSite == true ){ |
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return lookupTimetableAzureSite(trainID, type); |
return lookupTimetableAzureSite(trainID, type); |
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return id; |
return id; |
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} |
} |
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List<TimetableBean> lookupTimetableAzureSite(String trainID, String type) throws Exception { |
TimetableBean lookupTimetableAzureSite(String trainID, String type) throws Exception { |
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List<TimetableBean> timetableList = new ArrayList<TimetableBean>(); |
TimetableBean timetableBean = new TimetableBean(); |
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String url = "http://trafikinfo.bane.dk/TrafikInformation/Ruteplan/" + trainID; |
String url = "http://trafikinfo.bane.dk/TrafikInformation/Ruteplan/" + trainID; |
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continue; |
continue; |
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} |
} |
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TimetableBean bean = new TimetableBean(); |
TimetableEntry entry = new TimetableEntry(); |
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String station = fields.get(0).text() ; |
String station = fields.get(0).text() ; |
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if (station.equals("København")) |
if (station.equals("København")) |
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station = "København H"; //correct inconsistency in naming |
station = "København H"; //correct inconsistency in naming |
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bean.setStation( station ); |
entry.setStation( station ); |
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bean.setArrival( fields.get(1).text() ); |
entry.setArrival( fields.get(1).text() ); |
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bean.setDeparture( fields.get(2).text() ); |
entry.setDeparture( fields.get(2).text() ); |
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boolean cancelled = fields.get(3).text().equalsIgnoreCase("aflyst"); |
boolean cancelled = fields.get(3).text().equalsIgnoreCase("aflyst"); |
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bean.setCancelled(cancelled); |
entry.setCancelled(cancelled); |
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if (currentStation == true && currentStationSaved == false ) { |
if (currentStation == true && currentStationSaved == false ) { |
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bean.setCurrent(currentStation); |
entry.setCurrent(currentStation); |
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currentStationSaved = true; |
currentStationSaved = true; |
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} |
} |
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bean.setStationId( getStationId( station )); |
entry.setStationId( getStationId( station )); |
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timetableList.add(bean); |
timetableBean.entries.add(entry); |
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} |
} |
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//TODO: There is an off-by-one error in this cancelled parser thingie |
//TODO: There is an off-by-one error in this cancelled parser thingie |
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final String cancelledString = "Aflyst"; |
final String cancelledString = "Aflyst"; |
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for (int i=0;i<timetableList.size(); i++) { //handle cancelled labels |
for (int i=0;i<timetableBean.entries.size(); i++) { //handle cancelled labels |
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final int lastIdx = (timetableList.size() - 1); |
final int lastIdx = (timetableBean.entries.size() - 1); |
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TimetableBean current = timetableList.get(i); |
TimetableEntry current = timetableBean.entries.get(i); |
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if (current.isCancelled()) { |
if (current.isCancelled()) { |
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if (i == 0) { |
if (i == 0) { |
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current.setDeparture(cancelledString); |
current.setDeparture(cancelledString); |
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} else if (i == lastIdx) { |
} else if (i == lastIdx) { |
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current.setArrival(cancelledString); |
current.setArrival(cancelledString); |
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} else if (i>0 && i<lastIdx) { |
} else if (i>0 && i<lastIdx) { |
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TimetableBean next = timetableList.get(i+1); |
TimetableEntry next = timetableBean.entries.get(i+1); |
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TimetableBean prev = timetableList.get(i-1); |
TimetableEntry prev = timetableBean.entries.get(i-1); |
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if (next.isCancelled()) |
if (next.isCancelled()) |
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current.setDeparture(cancelledString); |
current.setDeparture(cancelledString); |
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} |
} |
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return timetableList; |
return timetableBean; |
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} |
} |
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List<TimetableBean> lookupTimetableWwwSite(String trainID, String type) throws Exception { |
TimetableBean lookupTimetableWwwSite(String trainID, String type) throws Exception { |
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List<TimetableBean> timetableList = new ArrayList<TimetableBean>(); |
TimetableBean timetableBean = new TimetableBean(); |
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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"; |
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logger.fine("URL:" + url); |
logger.fine("URL:" + url); |
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continue; |
continue; |
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} |
} |
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TimetableBean bean = new TimetableBean(); |
TimetableEntry entry = new TimetableEntry(); |
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String station = DepartureFetcher.cleanText( fields.get(0).text() ) ; |
String station = DepartureFetcher.cleanText( fields.get(0).text() ) ; |
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if (station.equals("København")) |
if (station.equals("København")) |
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String arrival = DepartureFetcher.cleanText( fields.get(1).text() ); |
String arrival = DepartureFetcher.cleanText( fields.get(1).text() ); |
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String departure = DepartureFetcher.cleanText( fields.get(2).text() ); |
String departure = DepartureFetcher.cleanText( fields.get(2).text() ); |
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bean.setStation( station ); |
entry.setStation( station ); |
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bean.setArrival( arrival ); |
entry.setArrival( arrival ); |
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bean.setDeparture( departure ); |
entry.setDeparture( departure ); |
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if (currentStation == true && currentStationSaved == false ) { |
if (currentStation == true && currentStationSaved == false ) { |
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bean.setCurrent(currentStation); |
entry.setCurrent(currentStation); |
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currentStationSaved = true; |
currentStationSaved = true; |
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} |
} |
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bean.setStationId( getStationId( station )); |
entry.setStationId( getStationId( station )); |
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timetableList.add(bean); |
timetableBean.entries.add(entry); |
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} |
} |
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} else { |
} else { |
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} |
} |
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return timetableList; |
return timetableBean; |
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} |
} |
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} |
} |