SuperDuperEventListener

SuperDuperEventListener.java

public final class SuperDuperEventListener implements Listener {

  private final JavaPlugin plugin;

  @Inject
  public SuperDuperEventListener(
      final JavaPlugin plugin
  ) {
    this.plugin = plugin;
  }

  public void doStuff() {
    // search event classes
    Reflections reflections = new Reflections();
    Set<Class<? extends Event>> eventClasses = reflections.getSubTypesOf(Event.class).stream().
        filter(clazz -> Arrays.stream(clazz.getDeclaredFields())
            .anyMatch(field -> field.getType().getName().endsWith("HandlerList")))
        .collect(Collectors.toSet());
    this.plugin.getLogger().info("Found " + eventClasses.size() + " available events!");
    this.plugin.getLogger().info(eventClasses.stream().map(Class::getName).collect(Collectors.joining(", ")));

    // register events
    EventExecutor eventExecutor = (listener, event) -> this.iGetCalledForEveryEvent(event);
    eventClasses.forEach(clazz -> this.plugin.getServer().getPluginManager()
        .registerEvent(clazz, this, EventPriority.MONITOR, eventExecutor, this.plugin));
  }

  private static final String[] IGNORED = {"VehicleBlockCollisionEvent", "EntityAirChangeEvent",
      "VehicleUpdateEvent", "ChunkUnloadEvent", "ChunkLoadEvent", "PlayerMoveEvent", "EntityDamageByBlockEvent",
      "EntitiesLoadEvent", "EntityPoseChangeEvent", "EntitiesUnloadEvent", "EntityMoveEvent",
      "ServerTickEndEvent", "ServerTickStartEvent", "PlayerNaturallySpawnCreaturesEvent",
      "PlayerChunkLoadEvent", "PlayerChunkUnloadEvent", "GenericGameEvent"};

  public void iGetCalledForEveryEvent(final Event event) {
    if (Arrays.stream(IGNORED).anyMatch(ignored -> event.getEventName().equals(ignored))) {
      return;
    }
    this.plugin.getServer().sendMessage(Component.text(event.getEventName()));
  }

}