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package dk.thoerup.traininfoservice.banedk;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.URL;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import org.jsoup.select.Elements;
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import dk.thoerup.android.traininfo.common.StationBean;
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import dk.thoerup.android.traininfo.common.StationEntry;
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import dk.thoerup.circuitbreaker.CircuitBreaker;
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import dk.thoerup.circuitbreaker.CircuitBreakerManager;
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import dk.thoerup.traininfoservice.db.StationDAO;
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@WebServlet(urlPatterns={"/CompareStations"})
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public class CompareStations extends HttpServlet {
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private static final long serialVersionUID = 1L;
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
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JsoupInvocation jsoup = new JsoupInvocation(new URL("http://trafikinfo.bane.dk/Trafikinformation/Stationsliste"), 5000);
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Map<String,String> banedkStations = new TreeMap<String,String>();
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Set<String> dbStations = new TreeSet<String>();
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try {
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Document doc = (Document) cb.invoke(jsoup);
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Elements tables = doc.getElementsByClass("Oversigt");
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for(Element e : tables) {
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if (e.tagName().equals("table") ){
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Elements links = e.getElementsByTag("a");
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for (Element link : links) {
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banedkStations.put( link.text(), link.attr("href") );
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}
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}
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}
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StationDAO dao = new StationDAO();
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StationBean bean = dao.dumpAll();
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for (StationEntry station : bean.entries) {
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if (station.isRegional() || station.isStrain()) {
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dbStations.add(station.getName());
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}
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}
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} catch (Exception e) {
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throw new ServletException(e);
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}
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StringBuilder sb = new StringBuilder();
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sb.append("<h2>stations on website not in db</h2>");
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sb.append("<ul>");
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Set<String> tmpDbStations = new TreeSet<String>( dbStations );
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Set<String> tmpBanedkStations = new TreeSet<String>( banedkStations.keySet()) ;
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tmpBanedkStations.removeAll(tmpDbStations);
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for(String s : tmpBanedkStations) {
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String uri = banedkStations.get(s);
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sb.append( "<li><a href='http://trafikinfo.bane.dk" + uri + "'>"+ s + "</a></li>" );
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}
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sb.append("</ul>");
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sb.append("<h2>stations in db not on website </h2>");
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sb.append("<ul>");
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tmpDbStations = new TreeSet<String>( dbStations );
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tmpBanedkStations = new TreeSet<String>( banedkStations.keySet() ) ;
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tmpDbStations.removeAll(tmpBanedkStations);
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for(String s : tmpDbStations) {
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sb.append( "<li>" + s + "</li>" );
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}
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sb.append("</ul>");
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PrintWriter out = response.getWriter();
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out.print(sb.toString());
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}
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}
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