src/main/java/net/pterodactylus/rhynodge/filters/BlacklistFilter.java

   1 /*
   2  * rhynodge - BlacklistFilter.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.rhynodge.filters;
  19
  20 import static com.google.common.base.Preconditions.checkState;
  21 import static com.google.common.collect.FluentIterable.from;
  22 import static java.util.Arrays.asList;
  23
  24 import java.util.List;
  25
  26 import net.pterodactylus.rhynodge.Filter;
  27 import net.pterodactylus.rhynodge.State;
  28 import net.pterodactylus.rhynodge.states.FailedState;
  29 import net.pterodactylus.rhynodge.states.TorrentState;
  30 import net.pterodactylus.rhynodge.states.TorrentState.TorrentFile;
  31
  32 import com.google.common.base.Predicate;
  33
  34 /**
  35  * Filter for {@link TorrentState}s that removes all {@link TorrentFile}s whose
  36  * names match a list of bad words.
  37  *
  38  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  39  */
  40 public class BlacklistFilter implements Filter {
  41
  42         private final Iterable<String> filterWords;
  43
  44         public BlacklistFilter(List<String> filterWords) {
  45                 this.filterWords = filterWords;
  46         }
  47
  48         @Override
  49         public State filter(State state) {
  50                 if (!state.success()) {
  51                         return FailedState.from(state);
  52                 }
  53                 checkState(state instanceof TorrentState, "state is not a TorrentState but a %s!", state.getClass());
  54
  55                 TorrentState torrentState = (TorrentState) state;
  56                 return new TorrentState(from(torrentState.torrentFiles()).filter(new Predicate<TorrentFile>() {
  57                         @Override
  58                         public boolean apply(TorrentFile torrentFile) {
  59                                 return (torrentFile != null) && nameDoesNotMatchAFilterWord(torrentFile.name());
  60                         }
  61
  62                         private boolean nameDoesNotMatchAFilterWord(final String name) {
  63                                 return !from(filterWords).anyMatch(new Predicate<String>() {
  64                                         @Override
  65                                         public boolean apply(String word) {
  66                                                 return name.toLowerCase().contains(word.toLowerCase());
  67                                         }
  68                                 });
  69                         }
  70                 }).toList());
  71         }
  72
  73         public static BlacklistFilter createDefaultBlacklistFilter() {
  74                 return new BlacklistFilter(asList(
  75             "-3LT0N",
  76             "-ADTRG",
  77             "-AMIABLE",
  78             "-AN0NYM0US",
  79             "-AQOS",
  80             "-AXED",
  81             "-CM",
  82             "-DiRTYMARY",
  83             "-EDAW",
  84             "-EVOLVE",
  85             "-FooKaS",
  86             "-Haggebulle",
  87             "-HELLRAZ0R",
  88             "-juggs",
  89             "-KILLERS",
  90             "-LEGi0N",
  91             "-MAX",
  92             "-MiLLENiUM",
  93             "-NoGRP",
  94             "-NYDIC",
  95             "-P2P",
  96             "-PLAYNOW",
  97             "-S4A",
  98             "-SHODAN",
  99             "-SPARKS",
 100             "-SUFFiCE",
 101             "-TAMILROCKERS",
 102             "-TASTE",
 103             "-THC",
 104             "-UnKnOwN",
 105             "-UNiQUE",
 106             "-W00D"
 107         ));
 108         }
 109
 110 }