Added utility methods to ItemStack to allow mass adding of enchantments

By: Nathan Adams <dinnerbone@dinnerbone.com>

paper-api/src/main/java/org/bukkit/inventory/ItemStack.java

@@ -205,7 +205,10 @@ public class ItemStack implements Serializable, ConfigurationSerializable {
 
     @Override
     public ItemStack clone() {
-        return new ItemStack(type, amount, durability);
+        ItemStack result = new ItemStack(type, amount, durability);
+        result.addEnchantments(getEnchantments());
+
+        return result;
     }
 
     @Override
@@ -246,6 +249,20 @@ public class ItemStack implements Serializable, ConfigurationSerializable {
         return ImmutableMap.copyOf(enchantments);
     }
 
+    /**
+     * Adds the specified enchantments to this item stack.
+     * <p>
+     * This method is the same as calling {@link #addEnchantment(org.bukkit.enchantments.Enchantment, int)}
+     * for each element of the map.
+     *
+     * @param enchantments Enchantments to add
+     */
+    public void addEnchantments(Map<Enchantment, Integer> enchantments) {
+        for (Map.Entry<Enchantment, Integer> entry : getEnchantments().entrySet()) {
+            addEnchantment(entry.getKey(), entry.getValue());
+        }
+    }
+
     /**
      * Adds the specified {@link Enchantment} to this item stack.
      * <p>
@@ -264,6 +281,20 @@ public class ItemStack implements Serializable, ConfigurationSerializable {
         addUnsafeEnchantment(ench, level);
     }
 
+    /**
+     * Adds the specified enchantments to this item stack in an unsafe manner.
+     * <p>
+     * This method is the same as calling {@link #addUnsafeEnchantment(org.bukkit.enchantments.Enchantment, int)}
+     * for each element of the map.
+     *
+     * @param enchantments Enchantments to add
+     */
+    public void addUnsafeEnchantments(Map<Enchantment, Integer> enchantments) {
+        for (Map.Entry<Enchantment, Integer> entry : getEnchantments().entrySet()) {
+            addUnsafeEnchantment(entry.getKey(), entry.getValue());
+        }
+    }
+
     /**
      * Adds the specified {@link Enchantment} to this item stack.
      * <p>