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