GlobalEventListener for Spigot/Bukkit, licenced under GPLv3

GlobalEventListener.java

package me.minidigger.test.test;
/*
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import java.util.Arrays;
import java.util.Set;
import java.util.stream.Collectors;
import org.bukkit.event.Event;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.EventExecutor;
import org.bukkit.plugin.Plugin;
import org.reflections.Reflections;

public class GlobalEventListener implements Listener {

  private Plugin plugin;

  public void doStuff(Plugin plugin) {
    this.plugin = plugin;

    // search event classes
    Reflections reflections = new Reflections("org.bukkit");// change to also find custom events
    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());
    plugin.getLogger().info("Found " + eventClasses.size() + " available events!");
    plugin.getLogger()
        .info(eventClasses.stream().map(Class::getName).collect(Collectors.joining(", ")));

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

  private final String[] ignored = {"VehicleBlockCollisionEvent", "EntityAirChangeEvent",
      "VehicleUpdateEvent", "ChunkUnloadEvent", "ChunkLoadEvent"};

  public void iGetCalledForEveryEvent(Event event) {
    if (Arrays.stream(ignored).anyMatch(ignored -> event.getEventName().equals(ignored))) {
      return;
    }
    plugin.getLogger().info(event.getEventName() + " was called!");

    if (event instanceof PlayerJoinEvent) {
      PlayerJoinEvent playerJoinEvent = (PlayerJoinEvent) event;
      plugin.getLogger().info(playerJoinEvent.getPlayer().getName() + " joined the game!!!");
    }
  }
}