replace wall of text that was registering listeners with a nice loop

pom.xml

@@ -77,5 +77,10 @@
             <version>1.18.12</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.reflections</groupId>
+            <artifactId>reflections</artifactId>
+            <version>0.9.12</version>
+        </dependency>
     </dependencies>
 </project>

src/main/java/eu/endermite/togglepvp/TogglePvP.java

@@ -9,13 +9,18 @@ import eu.endermite.togglepvp.listeners.unspecific.*;
 import eu.endermite.togglepvp.listeners.wolf.*;
 import eu.endermite.togglepvp.players.PlayerManager;
 import eu.endermite.togglepvp.players.SmartCache;
+import eu.endermite.togglepvp.util.Listener;
 import eu.endermite.togglepvp.util.DatabaseSQLite;
 import lombok.Getter;
 import org.bukkit.command.CommandSender;
 import org.bukkit.plugin.java.JavaPlugin;
+import org.reflections.Reflections;
+import org.reflections.scanners.TypeAnnotationsScanner;
 
 import java.io.File;
+import java.lang.reflect.InvocationTargetException;
 import java.util.Objects;
+import java.util.Set;
 
 public final class TogglePvP extends JavaPlugin {
 
@@ -31,33 +36,30 @@ public final class TogglePvP extends JavaPlugin {
         File dbFile = new File("plugins/TogglePvP");
         sqLite = new DatabaseSQLite("jdbc:sqlite:plugins/TogglePvP/TogglePvP.db", dbFile);
         sqLite.createDatabaseFile();
-        sqLite.testConnection();
+        if (!sqLite.testConnection()) {
+            getLogger().severe("Error with accessing database.");
+            getLogger().severe("Plugin will now disable.");
+            getServer().getPluginManager().disablePlugin(this);
+        }
         playerManager = new PlayerManager();
 
         SmartCache.runSmartCache();
 
-        getServer().getPluginManager().registerEvents(new PlayerJoinAndLeaveListener(), this);
+        // Register listeners
-        getServer().getPluginManager().registerEvents(new PlayerAttackListener(), this);
+        Reflections reflections = new Reflections(new String[]{"eu.endermite.togglepvp"});
-        getServer().getPluginManager().registerEvents(new PlayerHitByProjectileListener(), this);
+        Set<Class<?>> listenerClasses = reflections.getTypesAnnotatedWith(Listener.class);
-        getServer().getPluginManager().registerEvents(new AreaEffectCloudApplyListener(), this);
+        listenerClasses.forEach((listener)-> {
-        getServer().getPluginManager().registerEvents(new PlayerHitBySplashPotionListener(), this);
+            try {
-        getServer().getPluginManager().registerEvents(new EntityHitByLightningListener(), this);
+                getServer().getPluginManager().registerEvents((org.bukkit.event.Listener) listener.getConstructor().newInstance(), this);
-        getServer().getPluginManager().registerEvents(new LightningBlockIgniteListener(), this);
+            } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
-        getServer().getPluginManager().registerEvents(new PlayerHitByFireworkListener(), this);
+                e.printStackTrace();
-        getServer().getPluginManager().registerEvents(new FishingListener(), this);
+                getLogger().severe("Error with registering listeners.");
-        getServer().getPluginManager().registerEvents(new LavaDumpAndIgniteListener(), this);
+                getLogger().severe("Plugin will now disable.");
-        getServer().getPluginManager().registerEvents(new PlaceWitherRoseListener(), this);
+                getServer().getPluginManager().disablePlugin(this);
-        getServer().getPluginManager().registerEvents(new PlayerHitByExplosionListener(), this);
+            }
-        getServer().getPluginManager().registerEvents(new WolfTargettingPlayerListener(), this);
+        });
-        getServer().getPluginManager().registerEvents(new WolfAttackPlayerListener(), this);
-        getServer().getPluginManager().registerEvents(new PlayerAttackWolfListener(), this);
-        getServer().getPluginManager().registerEvents(new PlayerHitWolfWithProjectile(), this);
-        getServer().getPluginManager().registerEvents(new WolfHitBySplashPotionListener(), this);
-        getServer().getPluginManager().registerEvents(new WolfHitByFireworkListener(), this);
-        getServer().getPluginManager().registerEvents(new WolfTargettingWolfListener(), this);
-        getServer().getPluginManager().registerEvents(new WolfHitByExplosionListener(), this);
-        getServer().getPluginManager().registerEvents(new WolfLeashListener(), this);
 
+        // Register command
         Objects.requireNonNull(getCommand("pvp")).setExecutor(new MainCommand());
         Objects.requireNonNull(getCommand("pvp")).setTabCompleter(new MainCommand());
     }

src/main/java/eu/endermite/togglepvp/listeners/player/PlayerAttackListener.java

@@ -9,6 +9,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerAttackListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/player/PlayerHitByExplosionListener.java

@@ -11,10 +11,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.metadata.FixedMetadataValue;
-
 import java.util.UUID;
 
-
+@eu.endermite.togglepvp.util.Listener
 public class PlayerHitByExplosionListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/player/PlayerHitByFireworkListener.java

@@ -8,6 +8,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerHitByFireworkListener implements Listener {
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)

src/main/java/eu/endermite/togglepvp/listeners/player/PlayerHitByProjectileListener.java

@@ -9,6 +9,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerHitByProjectileListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/player/PlayerHitBySplashPotionListener.java

@@ -11,6 +11,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerHitBySplashPotionListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/player/PlayerJoinAndLeaveListener.java

@@ -4,9 +4,9 @@ import eu.endermite.togglepvp.TogglePvP;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-
 import java.util.HashMap;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerJoinAndLeaveListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/player/WolfAttackPlayerListener.java

@@ -8,6 +8,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfAttackPlayerListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/unspecific/AreaEffectCloudApplyListener.java

@@ -11,9 +11,9 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.AreaEffectCloudApplyEvent;
 import org.bukkit.potion.PotionEffectType;
-
 import java.util.Iterator;
 
+@eu.endermite.togglepvp.util.Listener
 public class AreaEffectCloudApplyListener implements Listener {
 
     @EventHandler(ignoreCancelled = true)

src/main/java/eu/endermite/togglepvp/listeners/unspecific/EntityHitByLightningListener.java

@@ -15,6 +15,7 @@ import org.bukkit.metadata.FixedMetadataValue;
  * Listen for lightning strikes and tag the trident spawned ones.
  * Idea from aasmus' PvPToggle plugin
  */
+@eu.endermite.togglepvp.util.Listener
 public class EntityHitByLightningListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/unspecific/FishingListener.java

@@ -10,6 +10,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class FishingListener implements Listener {
 
     ConfigCache config = TogglePvP.getPlugin().getConfigCache();

src/main/java/eu/endermite/togglepvp/listeners/unspecific/LavaDumpAndIgniteListener.java

@@ -15,6 +15,8 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.util.BoundingBox;
 
+
+@eu.endermite.togglepvp.util.Listener
 public class LavaDumpAndIgniteListener implements Listener {
 
     private ConfigCache config = TogglePvP.getPlugin().getConfigCache();

src/main/java/eu/endermite/togglepvp/listeners/unspecific/LightningBlockIgniteListener.java

@@ -10,6 +10,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class LightningBlockIgniteListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/unspecific/PlaceWitherRoseListener.java

@@ -15,6 +15,7 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.util.BoundingBox;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlaceWitherRoseListener implements Listener {
 
     private ConfigCache config = TogglePvP.getPlugin().getConfigCache();

src/main/java/eu/endermite/togglepvp/listeners/wolf/PlayerAttackWolfListener.java

@@ -10,6 +10,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerAttackWolfListener implements Listener {
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)

src/main/java/eu/endermite/togglepvp/listeners/wolf/PlayerHitWolfWithProjectile.java

@@ -11,6 +11,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class PlayerHitWolfWithProjectile implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/wolf/WolfHitByExplosionListener.java

@@ -4,15 +4,14 @@ import eu.endermite.togglepvp.TogglePvP;
 import eu.endermite.togglepvp.config.ConfigCache;
 import eu.endermite.togglepvp.players.SmartCache;
 import eu.endermite.togglepvp.util.PluginMessages;
-import org.bukkit.entity.Player;
 import org.bukkit.entity.Wolf;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDamageEvent;
-
 import java.util.UUID;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfHitByExplosionListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/wolf/WolfHitByFireworkListener.java

@@ -9,6 +9,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfHitByFireworkListener implements Listener {
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)

src/main/java/eu/endermite/togglepvp/listeners/wolf/WolfHitBySplashPotionListener.java

@@ -13,6 +13,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.potion.PotionEffect;
 import org.bukkit.potion.PotionEffectType;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfHitBySplashPotionListener implements Listener {
 
     /**

src/main/java/eu/endermite/togglepvp/listeners/wolf/WolfLeashListener.java

@@ -10,6 +10,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfLeashListener implements Listener {
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)

src/main/java/eu/endermite/togglepvp/listeners/wolf/WolfTargettingPlayerListener.java

@@ -2,13 +2,13 @@ package eu.endermite.togglepvp.listeners.wolf;
 
 import eu.endermite.togglepvp.TogglePvP;
 import eu.endermite.togglepvp.players.SmartCache;
-import org.bukkit.entity.Fox;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Wolf;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfTargettingPlayerListener implements Listener {
     /**
      * Stops wolves with owners targetting players with pvp off

src/main/java/eu/endermite/togglepvp/listeners/wolf/WolfTargettingWolfListener.java

@@ -6,6 +6,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+@eu.endermite.togglepvp.util.Listener
 public class WolfTargettingWolfListener implements Listener {
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)

src/main/java/eu/endermite/togglepvp/util/DatabaseSQLite.java

@@ -36,7 +36,7 @@ public class DatabaseSQLite {
         return true;
     }
 
-    public void testConnection() {
+    public boolean testConnection() {
         Connection conn = null;
         try {
             conn = DriverManager.getConnection(url);
@@ -48,10 +48,12 @@ public class DatabaseSQLite {
                 if (conn != null) {
                     conn.close();
                 }
+                return true;
             } catch (SQLException ex) {
                 System.out.println(ex.getMessage());
             }
         }
+        return false;
     }
 
     public HashMap<String, Object> getPlayerInfo(UUID uuid) {

src/main/java/eu/endermite/togglepvp/util/Listener.java

@@ -0,0 +1,11 @@
+package eu.endermite.togglepvp.util;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE})
+
+public @interface Listener {}