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import org.simpleframework.xml.core.Persister; |
import org.simpleframework.xml.core.Persister; |
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import dk.thoerup.android.traininfo.common.DepartureBean; |
import dk.thoerup.android.traininfo.common.DepartureBean; |
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import dk.thoerup.android.traininfo.common.StationBean; |
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import dk.thoerup.circuitbreaker.CircuitBreakerException; |
import dk.thoerup.circuitbreaker.CircuitBreakerException; |
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import dk.thoerup.traininfoservice.StationDAO; |
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import dk.thoerup.traininfoservice.Statistics; |
import dk.thoerup.traininfoservice.Statistics; |
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import dk.thoerup.traininfoservice.TraininfoSettings; |
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import dk.thoerup.traininfoservice.banedk.DepartureFetcher.FetchTrainType; |
import dk.thoerup.traininfoservice.banedk.DepartureFetcher.FetchTrainType; |
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import dk.thoerup.traininfoservice.db.StationDAO; |
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/** |
/** |
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* Servlet implementation class DepartureServlet |
* Servlet implementation class DepartureServlet |
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public void init() throws ServletException { |
public void init() throws ServletException { |
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super.init(); |
super.init(); |
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boolean useAzureSite = Boolean.parseBoolean( getServletContext().getInitParameter("useazuresite") ); |
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int cacheTimeout = Integer.parseInt( getServletContext().getInitParameter("cache_timeout") ); |
TraininfoSettings settings = (TraininfoSettings) getServletContext().getAttribute("settings"); |
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int replyTimeout = Integer.parseInt( getServletContext().getInitParameter("reply_timeout") ); |
fetcher = new DepartureFetcher(settings); |
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logger.info( "DepartureServlet, use azure site=" + useAzureSite + ", cache=" + cacheTimeout); |
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fetcher = new DepartureFetcher(useAzureSite, cacheTimeout, replyTimeout); |
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/* |
/* |
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xslTransFact = TransformerFactory.newInstance(); |
xslTransFact = TransformerFactory.newInstance(); |
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type = FetchTrainType.valueOf( req.getParameter("type") ); |
type = FetchTrainType.valueOf( req.getParameter("type") ); |
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} |
} |
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try { |
try { |
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beans = fetcher.cachedLookupDepartures(station, arrival, type); |
beans = fetcher.cachedLookupDepartures(station, arrival, type); |
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beans.arrival = arrival; |
beans.arrival = arrival; |
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} catch (java.io.IOException ioe) { |
} catch (java.io.IOException ioe) { |
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logger.warning("Read failed, station="+station + ". " + ioe.getMessage() ); |
logger.warning("Read failed, station="+station + ". " + ioe.getMessage() ); |
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Statistics.getInstance().incrementDepartureErrors(); |
Statistics.getInstance().incrementDepartureErrors(); |
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resp.sendError(500); |
resp.sendError(500, "backend didnt answer"); |
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return; |
return; |
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} catch (CircuitBreakerException cbe) { |
} catch (CircuitBreakerException cbe) { |
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logger.warning("Circuitbreaker - failing fast, station=" +station); |
logger.warning("Circuitbreaker - failing fast, station=" +station); |
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Statistics.getInstance().incrementDepartureErrors(); |
Statistics.getInstance().incrementDepartureErrors(); |
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resp.sendError(500); |
beans = generateErrorBean(1); |
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return; |
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} catch (StationDAO.NostationException nse) { |
} catch (StationDAO.NostationException nse) { |
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logger.log(Level.WARNING, "Station not in Database, station=" +station); |
logger.log(Level.WARNING, "Station not in Database, station=" +station); |
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Statistics.getInstance().incrementDepartureErrors(); |
Statistics.getInstance().incrementDepartureErrors(); |
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} else { |
} else { |
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resp.sendError(400, "Unknown format"); |
resp.sendError(400, "Unknown format"); |
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} |
} |
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} |
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protected DepartureBean generateErrorBean(int code) { |
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DepartureBean bean = new DepartureBean(); |
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bean.stationName=""; |
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bean.errorCode = code; |
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return bean; |
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} |
} |
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protected String formatXml(DepartureBean beans) throws ServletException{ |
protected String formatXml(DepartureBean beans) throws ServletException{ |