irc/connection/ChannelNickHandler.java

   1 package net.pterodactylus.irc.connection;
   2
   3 import static java.util.Arrays.asList;
   4
   5 import java.util.ArrayList;
   6 import java.util.List;
   7
   8 import net.pterodactylus.irc.Connection;
   9 import net.pterodactylus.irc.Nickname;
  10 import net.pterodactylus.irc.Reply;
  11 import net.pterodactylus.irc.event.ChannelNicknames;
  12
  13 import com.google.common.eventbus.EventBus;
  14
  15 /**
  16  * Handles the list of nicknames that are sent on a {@code JOIN}.
  17  *
  18  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  19  */
  20 public class ChannelNickHandler implements Handler {
  21
  22         private static final List<String> COMMANDS_TO_HANDLE =
  23                         asList("353", "366");
  24         private final EventBus eventBus;
  25         private final Connection connection;
  26         private final PrefixHandler prefixHandler;
  27         private final List<Nickname> nicknames = new ArrayList<>();
  28
  29         public ChannelNickHandler(EventBus eventBus, Connection connection,
  30                         PrefixHandler prefixHandler) {
  31                 this.eventBus = eventBus;
  32                 this.connection = connection;
  33                 this.prefixHandler = prefixHandler;
  34         }
  35
  36         @Override
  37         public boolean willHandle(Reply reply) {
  38                 return COMMANDS_TO_HANDLE.contains(reply.command());
  39         }
  40
  41         @Override
  42         public void handleReply(Reply reply) {
  43                 String command = reply.command();
  44                 List<String> parameters = reply.parameters();
  45                 if (command.equals("353")) {
  46                         asList(parameters.get(3).split(" ")).stream().forEach(
  47                                         (nick) -> nicknames.add(prefixHandler.getNickname(nick)));
  48                 } else if (command.equals("366")) {
  49                         eventBus.post(new ChannelNicknames(connection, parameters.get(1),
  50                                         nicknames));
  51                         nicknames.clear();
  52                 }
  53         }
  54
  55 }