Migrate to UUID usage

src/main/java/com/lishid/openinv/internal/InventoryAccess.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2011-2014 lishid.  All rights reserved.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation,  version 3.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lishid.openinv.internal;
+
+import java.lang.reflect.Field;
+
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.inventory.Inventory;
+
+import com.lishid.openinv.OpenInv;
+import com.lishid.openinv.Permissions;
+
+//Volatile
+import net.minecraft.server.v1_8_R3.*;
+
+import org.bukkit.craftbukkit.v1_8_R3.inventory.*;
+
+public class InventoryAccess {
+    public boolean check(Inventory inventory, HumanEntity player) {
+        IInventory inv = grabInventory(inventory);
+        
+        if (inv instanceof SpecialPlayerInventory) {
+            if (!OpenInv.hasPermission(player, Permissions.PERM_EDITINV)) {
+                return false;
+            }
+        }
+
+        else if (inv instanceof SpecialEnderChest) {
+            if (!OpenInv.hasPermission(player, Permissions.PERM_EDITENDER)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+    
+    private IInventory grabInventory(Inventory inventory) {
+        if(inventory instanceof CraftInventory) {
+            return ((CraftInventory) inventory).getInventory();
+        }
+        
+        //Use reflection to find the inventory
+        Class<? extends Inventory> clazz = inventory.getClass();
+        IInventory result = null;
+        for(Field f : clazz.getDeclaredFields()) {
+            f.setAccessible(true);
+            if(IInventory.class.isAssignableFrom(f.getDeclaringClass())) {
+                try {
+                    result = (IInventory) f.get(inventory);
+                }
+                catch (Exception e) {
+                    OpenInv.log(e);
+                }
+            }
+        }
+        return result;
+    }
+}