src/main/java/net/pterodactylus/irc/connection/ChannelNotJoinedHandler.java

   1 package net.pterodactylus.irc.connection;
   2
   3 import static java.util.Arrays.asList;
   4 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.badChannelKey;
   5 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.banned;
   6 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.inviteOnly;
   7 import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.registeredNicknamesOnly;
   8
   9 import java.util.List;
  10
  11 import net.pterodactylus.irc.Connection;
  12 import net.pterodactylus.irc.Reply;
  13 import net.pterodactylus.irc.event.ChannelNotJoined;
  14 import net.pterodactylus.irc.event.ChannelNotJoined.Reason;
  15
  16 import com.google.common.eventbus.EventBus;
  17
  18 /**
  19  * Handles the reasons why a channel could not be joined.
  20  *
  21  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  22  * @see ChannelNotJoined
  23  */
  24 public class ChannelNotJoinedHandler implements Handler {
  25
  26         private final EventBus eventBus;
  27         private final Connection connection;
  28
  29         public ChannelNotJoinedHandler(EventBus eventBus, Connection connection) {
  30                 this.eventBus = eventBus;
  31                 this.connection = connection;
  32         }
  33
  34         @Override
  35         public boolean willHandle(Reply reply) {
  36                 return asList("473", "474", "475", "477").contains(reply.command());
  37         }
  38
  39         @Override
  40         public void handleReply(Reply reply) {
  41                 String command = reply.command();
  42                 List<String> parameters = reply.parameters();
  43
  44                 /* common channel join errors. */
  45                 String channel = parameters.get(1);
  46                 if (command.equals("474")) {
  47                         eventBus.post(createEvent(channel, banned));
  48                 } else if (command.equals("473")) {
  49                         eventBus.post(createEvent(channel, inviteOnly));
  50                 } else if (command.equals("475")) {
  51                         eventBus.post(createEvent(channel, badChannelKey));
  52                 } else if (command.equals("477")) {
  53                         eventBus.post(createEvent(channel, registeredNicknamesOnly));
  54                 }
  55         }
  56
  57         private ChannelNotJoined createEvent(String channel, Reason reason) {
  58                 return new ChannelNotJoined(connection, channel, reason);
  59         }
  60
  61 }