Updates Spigot, and fixes depreciated code

src/main/java/net/knarcraft/blacksmith/trait/ReforgeSession.java

@@ -6,7 +6,9 @@ import net.knarcraft.blacksmith.config.blacksmith.BlacksmithNPCSettings;
 import net.knarcraft.blacksmith.manager.EconomyManager;
 import net.knarcraft.blacksmith.util.InputParsingHelper;
 import net.knarcraft.blacksmith.util.ItemHelper;
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
+import org.bukkit.Registry;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
@@ -31,7 +33,7 @@ public class ReforgeSession extends Session implements Runnable {
     private final NPC npc;
     private final ItemStack itemToReforge;
     private final BlacksmithNPCSettings config;
-    private static final String[] enchantments = new String[Enchantment.values().length];
+    private static List<String> enchantments = null;
     private static final Random random = new Random();
 
     /**
@@ -51,10 +53,15 @@ public class ReforgeSession extends Session implements Runnable {
         this.config = config;
 
         //Populate enchantments the first time this is run
-        if (enchantments[0] == null) {
-            int i = 0;
-            for (Enchantment enchantment : Enchantment.values()) {
-                enchantments[i++] = enchantment.getKey().getKey();
+        if (enchantments == null) {
+            Registry<Enchantment> enchantmentRegistry = Bukkit.getRegistry(Enchantment.class);
+            if (enchantmentRegistry == null) {
+                throw new RuntimeException("Unable to get enchantment registry");
+            }
+
+            enchantments = new ArrayList<>();
+            for (Enchantment enchantment : enchantmentRegistry) {
+                enchantments.add(enchantment.getKey().getKey());
             }
         }
     }