Finished commands system on Bukkit - tested and working

Common/src/main/java/dev/brighten/antivpn/AntiVPN.java

@@ -4,6 +4,8 @@ import dev.brighten.antivpn.api.PlayerExecutor;
 import dev.brighten.antivpn.api.VPNConfig;
 import dev.brighten.antivpn.api.VPNExecutor;
 import dev.brighten.antivpn.command.Command;
+import dev.brighten.antivpn.command.impl.AntiVPNCommand;
+import dev.brighten.antivpn.command.impl.LookupCommand;
 import dev.brighten.antivpn.utils.VPNResponse;
 import dev.brighten.antivpn.utils.json.JSONException;
 import dev.brighten.antivpn.utils.json.JSONObject;
@@ -39,7 +41,7 @@ public class AntiVPN {
         INSTANCE.config.update();
 
         //Registering commands
-        registerCommands();
+        INSTANCE.registerCommands();
     }
 
     public void stop() {
@@ -61,7 +63,8 @@ public class AntiVPN {
         return VPNResponse.fromJson(result);
     }
 
-    private static void registerCommands() {
-
+    private void registerCommands() {
+        commands.add(new AntiVPNCommand());
+        commands.add(new LookupCommand());
     }
 }

Common/src/main/java/dev/brighten/antivpn/command/Command.java

@@ -4,12 +4,6 @@ import dev.brighten.antivpn.AntiVPN;
 
 public abstract class Command {
 
-    public Command() {
-        for (Command child : children()) {
-            AntiVPN.getInstance().getCommands().add(child);
-        }
-    }
-
     public abstract String permission();
 
     public abstract String name();
@@ -21,8 +15,6 @@ public abstract class Command {
     public abstract String usage();
 
     public abstract String parent();
-
-    public abstract Command[] children();
     
     public abstract String execute(CommandExecutor executor, String[] args);
 }

Common/src/main/java/dev/brighten/antivpn/command/impl/AntiVPNCommand.java

@@ -1,5 +1,6 @@
 package dev.brighten.antivpn.command.impl;
 
+import dev.brighten.antivpn.AntiVPN;
 import dev.brighten.antivpn.command.Command;
 import dev.brighten.antivpn.command.CommandExecutor;
 import dev.brighten.antivpn.utils.StringUtil;
@@ -38,11 +39,6 @@ public class AntiVPNCommand extends Command {
         return "";
     }
 
-    @Override
-    public Command[] children() {
-        return new Command[] {new LookupCommand()};
-    }
-
     @Override
     public String execute(CommandExecutor uuid, String[] args) {
         List<String> messages = new ArrayList<>();
@@ -50,8 +46,7 @@ public class AntiVPNCommand extends Command {
         messages.add(StringUtil.line("&8"));
         messages.add("&6&lAntiVPN Help Page");
         messages.add("");
-        messages.add(String.format("&8/&f%s &8- &7&o%s", "antivpn", description()));
-        for (Command child : children()) {
+        for (Command child : AntiVPN.getInstance().getCommands()) {
             messages.add(String.format("&8/&f%s &8- &7&o%s", "&7antivpn &f" + child.name() + " &7" + child.usage(),
                     description()));
         }

Common/src/main/java/dev/brighten/antivpn/command/impl/LookupCommand.java

@@ -39,11 +39,6 @@ public class LookupCommand extends Command {
         return "antivpn";
     }
 
-    @Override
-    public Command[] children() {
-        return new Command[0];
-    }
-
     @Override
     public String execute(CommandExecutor executor, String[] args) {
         if(args.length == 0) {