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package dk.thoerup.traininfoservice.banedk; |
package dk.thoerup.traininfoservice.banedk; |
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import java.io.File; |
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import java.io.IOException; |
import java.io.IOException; |
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import java.io.StringReader; |
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import java.io.StringWriter; |
import java.io.StringWriter; |
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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 javax.servlet.http.HttpServlet; |
import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
import javax.servlet.http.HttpServletResponse; |
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import javax.xml.transform.Source; |
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import javax.xml.transform.Templates; |
import javax.xml.transform.Templates; |
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import javax.xml.transform.Transformer; |
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import javax.xml.transform.TransformerFactory; |
import javax.xml.transform.TransformerFactory; |
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import javax.xml.transform.stream.StreamResult; |
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import javax.xml.transform.stream.StreamSource; |
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import org.simpleframework.xml.Serializer; |
import org.simpleframework.xml.Serializer; |
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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; |
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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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String xslPath = getServletContext().getRealPath("/departures.xsl"); |
String xslPath = getServletContext().getRealPath("/departures.xsl"); |
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xslTemplate = xslTransFact.newTemplates(stylesheet); |
xslTemplate = xslTransFact.newTemplates(stylesheet); |
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} catch (Exception e) { |
} catch (Exception e) { |
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throw new ServletException(e); |
throw new ServletException(e); |
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} |
}*/ |
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} |
} |
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@Override |
@Override |
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int station = Integer.parseInt( req.getParameter("station") ); |
int station = Integer.parseInt( req.getParameter("station") ); |
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String format = req.getParameter("format"); |
String format = req.getParameter("format"); |
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DepartureBean beans; |
DepartureBean beans; |
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DepartureFetcher.FetchTrainType type = FetchTrainType.BOTH; |
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if ( req.getParameter("type") != null) { |
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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); |
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); |
beans = generateErrorBean(1); |
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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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resp.setContentType("text/xml"); |
resp.setContentType("text/xml"); |
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resp.getWriter().print( formatXml(beans) ); |
resp.getWriter().print( formatXml(beans) ); |
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} else if (format.equalsIgnoreCase("html")) { |
} else if (format.equalsIgnoreCase("html")) { |
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/* |
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String advStr = req.getParameter("advanced"); |
String advStr = req.getParameter("advanced"); |
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boolean advanced = advStr != null ? Boolean.parseBoolean(advStr) : false; |
boolean advanced = advStr != null ? Boolean.parseBoolean(advStr) : false; |
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req.setAttribute("advanced", advanced); |
req.setAttribute("advanced", advanced); |
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req.setAttribute("departurebeans", beans); |
req.setAttribute("departurebeans", beans); |
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req.setAttribute("stationID", station ); |
req.setAttribute("stationID", station ); |
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getServletContext().getRequestDispatcher("/ViewDepartures.jsp").forward(req,resp);*/ |
getServletContext().getRequestDispatcher("/ViewDepartures.jsp").forward(req,resp); |
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resp.setContentType("text/html"); |
/*resp.setContentType("text/html"); |
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resp.getWriter().print( xmlToHtml(formatXml(beans)) ); |
resp.getWriter().print( xmlToHtml(formatXml(beans)) );*/ |
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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{ |
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return out.toString(); |
return out.toString(); |
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} |
} |
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/* |
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protected String xmlToHtml(String input) throws ServletException { |
protected String xmlToHtml(String input) throws ServletException { |
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try { |
try { |
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} catch (Exception e) { |
} catch (Exception e) { |
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throw new ServletException(e); |
throw new ServletException(e); |
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} |
} |
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} |
}*/ |
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} |
} |