Use enchantment key names for 1.13+

Enchantment#getName is deprecated and gives the wrong names for enchantments starting in 1.21

Essentials/src/main/java/com/earth2me/essentials/Enchantments.java

@@ -334,6 +334,17 @@ public final class Enchantments {
     private Enchantments() {
     }
 
+    public static String getRealName(final Enchantment enchantment) {
+        if (enchantment == null) {
+            return null;
+        }
+
+        if (isFlat) { // 1.13+ only
+            return enchantment.getKey().getKey();
+        }
+        return enchantment.getName().toLowerCase(Locale.ENGLISH);
+    }
+
     public static Enchantment getByName(final String name) {
         if (name == null || name.isEmpty()) {
             return null;

Essentials/src/main/java/com/earth2me/essentials/MetaItemStack.java

@@ -576,7 +576,7 @@ public class MetaItemStack {
         if (enchantment == null) {
             return false;
         }
-        if (hasMetaPermission(sender, "enchantments." + enchantment.getName().toLowerCase(Locale.ENGLISH), false, false, ess)) {
+        if (hasMetaPermission(sender, "enchantments." + Enchantments.getRealName(enchantment), false, false, ess)) {
             int level = -1;
             if (split.length > 1) {
                 try {
@@ -619,7 +619,7 @@ public class MetaItemStack {
                 }
             }
         } catch (final Exception ex) {
-            throw new Exception("Enchantment " + enchantment.getName() + ": " + ex.getMessage(), ex);
+            throw new Exception("Enchantment " + Enchantments.getRealName(enchantment) + ": " + ex.getMessage(), ex);
         }
     }
 
@@ -629,7 +629,7 @@ public class MetaItemStack {
             return null;
         }
 
-        final String enchantmentName = enchantment.getName().toLowerCase(Locale.ENGLISH);
+        final String enchantmentName = Enchantments.getRealName(enchantment);
 
         if (!hasMetaPermission(user, "enchantments." + enchantmentName, true, false)) {
             throw new TranslatableException("enchantmentPerm", enchantmentName);

Essentials/src/main/java/com/earth2me/essentials/commands/Commandenchant.java

@@ -14,7 +14,6 @@ import org.bukkit.inventory.ItemStack;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
@@ -35,7 +34,7 @@ public class Commandenchant extends EssentialsCommand {
         if (args.length == 0) {
             final Set<String> usableEnchants = new TreeSet<>();
             for (final Map.Entry<String, Enchantment> entry : Enchantments.entrySet()) {
-                final String name = entry.getValue().getName().toLowerCase(Locale.ENGLISH);
+                final String name = Enchantments.getRealName(entry.getValue());
                 if (usableEnchants.contains(name) || (user.isAuthorized("essentials.enchantments." + name) && entry.getValue().canEnchantItem(stack))) {
                     usableEnchants.add(entry.getKey());
                 }
@@ -57,7 +56,7 @@ public class Commandenchant extends EssentialsCommand {
         metaStack.addEnchantment(user.getSource(), ess.getSettings().allowUnsafeEnchantments() && user.isAuthorized("essentials.enchantments.allowunsafe"), enchantment, level);
         stack.setItemMeta(metaStack.getItemStack().getItemMeta());
         user.getBase().updateInventory();
-        final String enchantName = enchantment.getName().toLowerCase(Locale.ENGLISH).replace('_', ' ');
+        final String enchantName = Enchantments.getRealName(enchantment).replace('_', ' ');
         if (level == 0) {
             user.sendTl("enchantmentRemoved", enchantName);
         } else {

Essentials/src/main/java/com/earth2me/essentials/items/AbstractItemDb.java

@@ -1,5 +1,6 @@
 package com.earth2me.essentials.items;
 
+import com.earth2me.essentials.Enchantments;
 import com.earth2me.essentials.IConf;
 import com.earth2me.essentials.User;
 import com.earth2me.essentials.craftbukkit.Inventories;
@@ -218,7 +219,7 @@ public abstract class AbstractItemDb implements IConf, net.ess3.api.IItemDb {
 
             if (meta.hasEnchants()) {
                 for (final Enchantment e : meta.getEnchants().keySet()) {
-                    sb.append(e.getName().toLowerCase()).append(":").append(meta.getEnchantLevel(e)).append(" ");
+                    sb.append(Enchantments.getRealName(e)).append(":").append(meta.getEnchantLevel(e)).append(" ");
                 }
             }
 
@@ -263,7 +264,7 @@ public abstract class AbstractItemDb implements IConf, net.ess3.api.IItemDb {
             case ENCHANTED_BOOK:
                 final EnchantmentStorageMeta enchantmentStorageMeta = (EnchantmentStorageMeta) is.getItemMeta();
                 for (final Enchantment e : enchantmentStorageMeta.getStoredEnchants().keySet()) {
-                    sb.append(e.getName().toLowerCase()).append(":").append(enchantmentStorageMeta.getStoredEnchantLevel(e)).append(" ");
+                    sb.append(Enchantments.getRealName(e)).append(":").append(enchantmentStorageMeta.getStoredEnchantLevel(e)).append(" ");
                 }
                 break;
         }

Essentials/src/main/java/com/earth2me/essentials/signs/SignEnchant.java

@@ -106,7 +106,7 @@ public class SignEnchant extends EssentialsSign {
             throw new SignException(ex, "errorWithMessage", ex.getMessage());
         }
 
-        final String enchantmentName = enchantment.getName().toLowerCase(Locale.ENGLISH);
+        final String enchantmentName = Enchantments.getRealName(enchantment);
         if (level == 0) {
             player.sendTl("enchantmentRemoved", enchantmentName.replace('_', ' '));
         } else {