Added api to register custom PermissionHooks

api/src/main/java/us/ajg0702/queue/api/AjQueueAPI.java

@@ -3,6 +3,7 @@ package us.ajg0702.queue.api;
 import us.ajg0702.queue.api.events.utils.EventReceiver;
 import us.ajg0702.queue.api.premium.Logic;
 import us.ajg0702.queue.api.premium.LogicGetter;
+import us.ajg0702.queue.api.premium.PermissionHookRegistry;
 import us.ajg0702.queue.api.queueholders.QueueHolderRegistry;
 import us.ajg0702.queue.api.spigot.AjQueueSpigotAPI;
 import us.ajg0702.queue.api.util.QueueLogger;
@@ -15,6 +16,8 @@ public abstract class AjQueueAPI {
 
     public static QueueHolderRegistry queueHolderRegistry = new QueueHolderRegistry();
 
+    public static PermissionHookRegistry permissionHookRegistry = new PermissionHookRegistry();
+
     public static AjQueueAPI INSTANCE;
     public static AjQueueSpigotAPI SPIGOT_INSTANCE;
 
@@ -128,6 +131,10 @@ public abstract class AjQueueAPI {
         return queueHolderRegistry;
     }
 
+    public static PermissionHookRegistry getPermissionHookRegistry() {
+        return permissionHookRegistry;
+    }
+
     public abstract <E> void listen(Class<E> event, EventReceiver<E> handler);
 
     public abstract ExecutorService getServersUpdateExecutor();

api/src/main/java/us/ajg0702/queue/api/premium/PermissionHookRegistry.java

@@ -0,0 +1,24 @@
+package us.ajg0702.queue.api.premium;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+public class PermissionHookRegistry {
+    private final Map<String, PermissionHook> hooks = new HashMap<>();
+
+    public void register(PermissionHook... permissionHooks) {
+        for (PermissionHook hook : permissionHooks) {
+            if(hooks.containsKey(hook.getName())) {
+                throw new IllegalArgumentException("Hook " + hook.getName() + " is already registered!");
+            }
+        }
+        for (PermissionHook hook : permissionHooks) {
+            hooks.put(hook.getName(), hook);
+        }
+    }
+
+    public Collection<PermissionHook> getRegisteredHooks() {
+        return hooks.values();
+    }
+}

premium/src/main/java/us/ajg0702/queue/logic/permissions/PermissionGetterImpl.java

@@ -1,9 +1,11 @@
 package us.ajg0702.queue.logic.permissions;
 
+import us.ajg0702.queue.api.AjQueueAPI;
 import us.ajg0702.queue.api.players.AdaptedPlayer;
 import us.ajg0702.queue.api.premium.PermissionGetter;
 import us.ajg0702.queue.api.premium.PermissionHook;
 import us.ajg0702.queue.common.QueueMain;
+import us.ajg0702.queue.common.utils.Debug;
 import us.ajg0702.queue.logic.permissions.hooks.AquaCoreHook;
 import us.ajg0702.queue.logic.permissions.hooks.BuiltInHook;
 import us.ajg0702.queue.logic.permissions.hooks.LuckPermsHook;
@@ -13,16 +15,15 @@ import java.util.*;
 
 public class PermissionGetterImpl implements PermissionGetter {
 
-    private final List<PermissionHook> hooks;
-
     private final QueueMain main;
+    private PermissionHook builtInHook;
     public PermissionGetterImpl(QueueMain main) {
-        hooks = Arrays.asList(
-                new BuiltInHook(main),
+        AjQueueAPI.getPermissionHookRegistry().register(
                 new LuckPermsHook(main),
                 new UltraPermissionsHook(main),
                 new AquaCoreHook(main)
         );
+        builtInHook = new BuiltInHook(main);
         this.main = main;
     }
 
@@ -30,16 +31,15 @@ public class PermissionGetterImpl implements PermissionGetter {
     @Override
     public PermissionHook getSelected() {
         if(selected != null) return selected;
-        if(hooks == null) {
-            throw new IllegalStateException("Hooks are not initialized yet!");
-        }
-        for(PermissionHook hook : hooks) {
-            if(hook.canUse()) {
+        for(PermissionHook hook : AjQueueAPI.getPermissionHookRegistry().getRegisteredHooks()) {
+            boolean canUse = hook.canUse();
+            Debug.info(hook.getName() + " "+ canUse);
+            if(canUse) {
                 selected = hook;
             }
         }
         if(selected == null) {
-            throw new IllegalStateException("All hooks are unusable!");
+            selected = builtInHook;
         }
         main.getLogger().info("Using "+selected.getName()+" for permissions.");
         return selected;