fix enable without luckperms

Author: xGinko

shared/src/main/java/me/xginko/aef/utils/permissions/LuckPermsPermissionHandler.java

@@ -1,10 +1,10 @@
 package me.xginko.aef.utils.permissions;
 
-import me.xginko.aef.utils.Crafty;
 import me.xginko.aef.utils.enums.TriState;
 import net.luckperms.api.LuckPerms;
 import net.luckperms.api.model.user.User;
 import net.luckperms.api.node.Node;
+import net.luckperms.api.util.Tristate;
 import org.bukkit.entity.Player;
 import org.bukkit.permissions.Permissible;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -19,23 +19,16 @@ public final class LuckPermsPermissionHandler implements PermissionHandler {
         bukkitPermissionHandler = new BukkitPermissionHandler(plugin); // We use this one only for non-players
     }
 
-    public static boolean isSupported(JavaPlugin plugin) {
-        Class<?> luckPermsApi = Crafty.findClass("net.luckperms.api.LuckPerms");
-        return luckPermsApi != null && plugin.getServer().getServicesManager().getRegistration(luckPermsApi) != null;
-    }
-
     @Override
     public TriState permissionValue(Permissible permissible, String permission) {
         if (permissible instanceof Player) {
-            switch (luckPerms.getPlayerAdapter(Player.class).getUser((Player) permissible).getCachedData().getPermissionData()
-                    .checkPermission(permission)) {
-                case TRUE:
-                    return TriState.TRUE;
-                case FALSE:
-                    return TriState.FALSE;
-                default:
-                    return TriState.UNDEFINED;
-            }
+            Tristate permState = luckPerms.getPlayerAdapter(Player.class).getUser((Player) permissible)
+                    .getCachedData().getPermissionData().checkPermission(permission);
+            if (permState == Tristate.TRUE)
+                return TriState.TRUE;
+            if (permState == Tristate.FALSE)
+                return TriState.FALSE;
+            return TriState.UNDEFINED;
         } else {
             return bukkitPermissionHandler.permissionValue(permissible, permission);
         }

shared/src/main/java/me/xginko/aef/utils/permissions/PermissionHandler.java

@@ -1,5 +1,6 @@
 package me.xginko.aef.utils.permissions;
 
+import me.xginko.aef.utils.Crafty;
 import me.xginko.aef.utils.enums.TriState;
 import me.xginko.aef.utils.models.Disableable;
 import org.bukkit.permissions.Permissible;
@@ -8,7 +9,14 @@
 public interface PermissionHandler extends Disableable {
 
     static PermissionHandler create(JavaPlugin plugin) {
-        return LuckPermsPermissionHandler.isSupported(plugin) ? new LuckPermsPermissionHandler(plugin) : new BukkitPermissionHandler(plugin);
+        if (Crafty.hasClass("net.luckperms.api.model.user.User")
+                && Crafty.hasClass("net.luckperms.api.node.Node")
+                && Crafty.hasClass("net.luckperms.api.util.Tristate")
+                && Crafty.hasClass("net.luckperms.api.LuckPerms")) {
+            return new LuckPermsPermissionHandler(plugin);
+        }
+
+        return new BukkitPermissionHandler(plugin);
     }
 
     default void disable() {}