src/main/java/net/pterodactylus/rhynodge/filters/webpages/savoy/SavoyTicketsFilter.java

   1 package net.pterodactylus.rhynodge.filters.webpages.savoy;
   2
   3 import net.pterodactylus.rhynodge.Filter;
   4 import net.pterodactylus.rhynodge.State;
   5 import net.pterodactylus.rhynodge.states.HtmlState;
   6 import org.apache.log4j.Logger;
   7 import org.jetbrains.annotations.NotNull;
   8
   9 import java.util.Collection;
  10
  11 import static com.google.common.base.Preconditions.checkArgument;
  12 import static java.util.Collections.emptySet;
  13
  14 /**
  15  * {@link Filter} implementation that creates a list of movies running at the
  16  * Savoy theatre in Hamburg.
  17  *
  18  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  19  */
  20 public class SavoyTicketsFilter implements Filter {
  21
  22         private static final MovieExtractor movieExtractor = new MovieExtractor();
  23
  24         @NotNull
  25         @Override
  26         public State filter(@NotNull State state) {
  27                 checkArgument(state instanceof HtmlState, "state must be HTML");
  28
  29                 HtmlState htmlState = (HtmlState) state;
  30                 Collection<Movie> movies = movieExtractor.getMovies(htmlState.document());
  31                 Logger.getLogger(SavoyTicketsFilter.class).debug("Parsed Movies: " + movies);
  32                 return new MovieState(movies, emptySet(), false);
  33         }
  34
  35 }