Add GriefPreventionListener to listen to GriefPreventionEvents

src/main/java/com/alttd/playershops/PlayerShops.java

@@ -32,6 +32,7 @@ public class PlayerShops extends JavaPlugin {
     private PlayerListener playerListener;
     private TransactionListener transactionListener;
     private InventoryListener inventoryListener;
+    private GriefPreventionListener griefPreventionListener;
 
     public void onEnable() {
         instance = this;
@@ -92,6 +93,7 @@ public class PlayerShops extends JavaPlugin {
         playerListener = new PlayerListener(this);
         transactionListener = new TransactionListener(this);
         inventoryListener = new InventoryListener(this);
+        griefPreventionListener = new GriefPreventionListener(this); // TODO hook into GP
     }
 
     private void unRegisterListeners() {

src/main/java/com/alttd/playershops/listener/GriefPreventionListener.java

@@ -0,0 +1,40 @@
+package com.alttd.playershops.listener;
+
+import com.alttd.playershops.PlayerShops;
+import com.alttd.playershops.handler.ShopHandler;
+import com.alttd.playershops.shop.PlayerShop;
+import me.ryanhamshire.GriefPrevention.events.ClaimExpirationEvent;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+
+import java.util.List;
+import java.util.UUID;
+
+public class GriefPreventionListener extends EventListener {
+
+    private final PlayerShops plugin;
+    ShopHandler shopHandler;
+
+    public GriefPreventionListener(PlayerShops plugin) {
+        this.plugin = plugin;
+        this.register(this.plugin);
+        shopHandler = plugin.getShopHandler();
+    }
+
+    @EventHandler(priority = EventPriority.HIGHEST)
+    public void onClaimExpiration(ClaimExpirationEvent event) {
+        if(!this.isRegistered)
+            return;
+
+        UUID uuid = event.getClaim().ownerID;
+        if(uuid == null)
+            return;
+
+        List<PlayerShop> playerShops = shopHandler.getShops(uuid);
+        for(PlayerShop shop : playerShops) {
+            shop.expireSign();
+            shopHandler.removeShop(shop);
+        }
+    }
+
+}

src/main/java/com/alttd/playershops/listener/ShopListener.java

@@ -243,20 +243,4 @@ public class ShopListener extends EventListener {
             event.setCancelled(true);
     }
 
-    @EventHandler(priority = EventPriority.HIGHEST)
-    public void onClaimExpiration(ClaimExpirationEvent event) {
-        if(!this.isRegistered)
-            return;
-
-        UUID uuid = event.getClaim().ownerID;
-        if(uuid == null)
-            return;
-
-        List<PlayerShop> playerShops = shopHandler.getShops(uuid);
-        for(PlayerShop shop : playerShops) {
-            shop.expireSign();
-            shopHandler.removeShop(shop);
-        }
-    }
-
 }