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

   1 package net.pterodactylus.irc.connection;
   2
   3 import java.util.HashMap;
   4 import java.util.List;
   5 import java.util.Map;
   6
   7 import net.pterodactylus.irc.Reply;
   8 import net.pterodactylus.irc.Source;
   9
  10 import com.google.common.base.Optional;
  11
  12 /**
  13  * Handler that can process any number of events.
  14  *
  15  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  16  */
  17 public class SimpleCommandHandler implements Handler {
  18
  19         private final Map<String, EventProcessor> commandEventSenders =
  20                         new HashMap<>();
  21
  22         public SimpleCommandHandler addCommand(String command,
  23                         EventProcessor eventProcessor) {
  24                 commandEventSenders.put(command.toLowerCase(), eventProcessor);
  25                 return this;
  26         }
  27
  28         @Override
  29         public boolean willHandle(Reply reply) {
  30                 return commandEventSenders.containsKey(reply.command().toLowerCase());
  31         }
  32
  33         @Override
  34         public void handleReply(Reply reply) {
  35                 EventProcessor eventProcessor =
  36                                 commandEventSenders.get(reply.command().toLowerCase());
  37                 eventProcessor.processEvent(reply.source(), reply.parameters());
  38         }
  39
  40         /**
  41          * Interface for event processors.
  42          *
  43          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  44          */
  45         @FunctionalInterface
  46         public static interface EventProcessor {
  47
  48                 void processEvent(Optional<Source> source, List<String> parameters);
  49
  50         }
  51
  52 }