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import org.w3c.dom.Document; |
import org.w3c.dom.Document; |
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import org.w3c.dom.Element; |
import org.w3c.dom.Element; |
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import dk.thoerup.curcuitbreaker.CircuitBreakerException; |
import dk.thoerup.circuitbreaker.CircuitBreakerException; |
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import dk.thoerup.traininfoservice.DBConnection; |
import dk.thoerup.traininfoservice.DBConnection; |
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/** |
/** |
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Logger logger = Logger.getLogger( DepartureServlet.class.getName() ); |
Logger logger = Logger.getLogger( DepartureServlet.class.getName() ); |
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DepartureFetcher fetcher = new DepartureFetcher(); |
DepartureFetcher fetcher; |
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TransformerFactory transformerFactory = TransformerFactory.newInstance(); |
TransformerFactory transformerFactory = TransformerFactory.newInstance(); |
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DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance(); |
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance(); |
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@Override |
@Override |
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public void init() throws ServletException { |
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super.init(); |
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boolean useTempSite = Boolean.parseBoolean( getServletContext().getInitParameter("usetempsite") ); |
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int cacheTimeout = Integer.parseInt( getServletContext().getInitParameter("cache_timeout") ); |
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logger.info( "DepartureServlet, use temp site=" + useTempSite + ", cache=" + cacheTimeout); |
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fetcher = new DepartureFetcher(useTempSite, cacheTimeout); |
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} |
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@Override |
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
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if (req.getParameter("station") == null) { |
if (req.getParameter("station") == null) { |
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resp.sendError(400, "not enough parameters"); |
resp.sendError(400, "not enough parameters"); |
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try { |
try { |
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beans = fetcher.cachedLookupDepartures(station); |
beans = fetcher.cachedLookupDepartures(station); |
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} catch (java.net.SocketTimeoutException ste) { |
} catch (java.io.IOException ioe) { |
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logger.warning("Read timed out, station="+station); |
logger.warning("Read failed, station="+station + ". " + ioe.getMessage() ); |
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resp.sendError(500); |
resp.sendError(500); |
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return; |
return; |
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} catch (CircuitBreakerException cbe) { |
} catch (CircuitBreakerException cbe) { |