Implemented multiples methods for enchantment wrapper.

src/main/java/xyz/alexcrea/cuanvil/enchant/WrappedEnchantment.java

@@ -9,6 +9,7 @@ import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.enchant.wrapped.VanillaEnchant;
 
 import java.util.HashMap;
+import java.util.Map;
 
 public abstract class WrappedEnchantment {
 
@@ -21,9 +22,9 @@ public abstract class WrappedEnchantment {
 
     /**
      * Constructor of Wrapped Enchantment.
-     * @param key the enchantment's key.
+     * @param key The enchantment's key.
-     * @param name the enchantment's name.
+     * @param name The enchantment's name.
-     * @param defaultRarity default rarity the enchantment should be.
+     * @param defaultRarity Default rarity the enchantment should be.
      */
     public WrappedEnchantment(
             @NotNull NamespacedKey key,
@@ -38,7 +39,7 @@ public abstract class WrappedEnchantment {
 
     /**
      * Get the default rarity of this enchant.
-     * @return the default rarity of this enchant.
+     * @return The default rarity of this enchant.
      */
     public final EnchantmentRarity defaultRarity(){
         return defaultRarity;
@@ -46,7 +47,7 @@ public abstract class WrappedEnchantment {
 
     /**
      * Get the enchantment key.
-     * @return the enchantment key.
+     * @return The enchantment key.
      */
     @NotNull
     public final NamespacedKey getKey(){
@@ -55,7 +56,7 @@ public abstract class WrappedEnchantment {
 
     /**
      * Get the enchantment name.
-     * @return the enchantment name.
+     * @return The enchantment name.
      */
     @NotNull
     public String getName() {
@@ -64,17 +65,80 @@ public abstract class WrappedEnchantment {
 
     /**
      * Get the default maximum level of this enchantment.
-     * @return the default maximum level of this enchantment.
+     * @return The default maximum level of this enchantment.
      */
     public abstract int defaultMaxLevel();
 
+    // TODO maybe methods that do not require itemmeta ?
 
-    public abstract int enchantmentLevel(ItemStack item, ItemMeta meta);
+    /**
+     * Get current level of the enchantment.
+     * @param item Item to search the level for.
+     * @param meta Meta of the provided item. It will not be changed and not be set on the item.
+     * @return Current leve of this enchantment on item. or 0 if absent.
+     */
+    public abstract int getLevel(@NotNull ItemStack item, @NotNull ItemMeta meta);
 
+    /**
+     * Check if this enchantment is present on the provided level.
+     * @param item The item to set the enchantment level.
+     * @param meta Meta of the provided item. It will not be changed and not be set on the item.
+     * @return If the enchantment have been found.
+     */
+    public abstract boolean isEnchantmentPresent(@NotNull ItemStack item, @NotNull ItemMeta meta);
 
+    /**
+     * Force add an enchantment at the provided level.
+     * @param item The item to set the enchantment level.
+     * @param meta Meta of the provided item. It can be changed, but will not be set on the item.
+     * @param level The level to set the enchantment to.
+     */
+    public abstract void addEnchantmentUnsafe(@NotNull ItemStack item, @NotNull ItemMeta meta, int level);
 
+    /**
+     * Remove this enchantment from the provided ItemStack.
+     * @param item The item to remove the enchantment.
+     * @param meta Meta of the provided item. It can be changed, but will not be set on the item.
+     */
+    public abstract void removeFrom(@NotNull ItemStack item, @NotNull ItemMeta meta);
 
     // Static functions
+
+    /**
+     * Clear every enchantment from this item.
+     * @param item Item to be cleared from enchantments.
+     */
+    public static void clearEnchants(@NotNull ItemStack item){ //TODO faster method to clear vanilla enchantment
+        ItemMeta meta = item.getItemMeta();
+        if(meta == null) return;
+
+        for (WrappedEnchantment enchant : getEnchants(item).keySet()) {
+            enchant.removeFrom(item, meta);
+        }
+        item.setItemMeta(meta);
+    }
+
+    /**
+     * Get enchantments of an item.
+     * @param item item to get enchantment from.
+     * @return a map of the set enchantments and there's respective levels.
+     */
+    public static Map<WrappedEnchantment, Integer> getEnchants(@NotNull ItemStack item){ //TODO faster method to find vanilla enchantment
+        Map<WrappedEnchantment, Integer> enchantments = new HashMap<>();
+
+        ItemMeta meta = item.getItemMeta();
+        if(meta == null) return enchantments;
+
+        for (WrappedEnchantment enchantment : WrappedEnchantment.values()) {
+            if(enchantment.isEnchantmentPresent(item, meta)){
+                enchantments.put(enchantment, enchantment.getLevel(item, meta));
+            }
+        }
+
+        return enchantments;
+    }
+
+    // Register enchantment functions
     private static HashMap<NamespacedKey, WrappedEnchantment> BY_KEY;
     //private static HashMap<NamespacedKey, WrappedEnchantment> BY_NAME; //TODO decide if I should implement it.
 
@@ -96,8 +160,8 @@ public abstract class WrappedEnchantment {
      * Can be used to register new enchantment.
      * <p>
      * No guarantee that the enchantment will be present on the config gui if registered late.
-     * (by late I mean after custom anvil startup.)
+     * (By late I mean after custom anvil startup.)
-     * @param enchantment the enchantment to register.
+     * @param enchantment The enchantment to be registered.
      */
     public static void register(@NotNull WrappedEnchantment enchantment){
         BY_KEY.put(enchantment.getKey(), enchantment);
@@ -110,8 +174,8 @@ public abstract class WrappedEnchantment {
      * It should probably rarely be used.
      * <p>
      * No guarantee that the enchantment will absent if the config guis if unregistered late.
-     * (by late I mean after custom anvil startup.)
+     * (By late I mean after custom anvil startup.)
-     * @param enchantment the enchantment to unregister.
+     * @param enchantment The enchantment to be unregistered.
      */
     public static void unregister(@NotNull WrappedEnchantment enchantment){
         BY_KEY.remove(enchantment.getKey());
@@ -120,8 +184,8 @@ public abstract class WrappedEnchantment {
 
     /**
      * Gets the enchantment by the provided key.
-     * @param key key to fetch.
+     * @param key Key to fetch.
-     * @return registered enchantment. null if absent.
+     * @return Registered enchantment. null if absent.
      */
     public static @Nullable WrappedEnchantment getByKey(@NotNull NamespacedKey key){
         return BY_KEY.get(key);
@@ -129,11 +193,11 @@ public abstract class WrappedEnchantment {
 
     /**
      * Gets an array of all the registered enchantments.
-     * @return array of enchantment.
+     * @return Array of enchantment.
      */
     @NotNull
     public static WrappedEnchantment[] values() {
-        return BY_KEY.values().toArray(new WrappedEnchantment[BY_KEY.size()]);
+        return BY_KEY.values().toArray(new WrappedEnchantment[0]);
     }
 
 }

src/main/java/xyz/alexcrea/cuanvil/enchant/wrapped/VanillaEnchant.java

@@ -1,8 +1,10 @@
 package xyz.alexcrea.cuanvil.enchant.wrapped;
 
-import org.bukkit.NamespacedKey;
+import io.delilaheve.util.ItemUtil;
+import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.EnchantmentStorageMeta;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.enchant.EnchantmentRarity;
@@ -24,7 +26,50 @@ public class VanillaEnchant extends WrappedEnchantment {
     }
 
     @Override
-    public int enchantmentLevel(ItemStack item, ItemMeta meta) {
+    public int getLevel(@NotNull ItemStack item, @NotNull ItemMeta meta) {
-        throw new UnsupportedOperationException("Not yet implemented");
+        if (isEnchantedBook(item)) {
+            return ((EnchantmentStorageMeta)meta).getStoredEnchantLevel(this.enchantment);
+        } else {
+            return meta.getEnchantLevel(this.enchantment);
         }
     }
+
+    @Override
+    public boolean isEnchantmentPresent(@NotNull ItemStack item, @NotNull ItemMeta meta) {
+        if (ItemUtil.INSTANCE.isEnchantedBook(item)) {
+            EnchantmentStorageMeta bookMeta = ((EnchantmentStorageMeta)meta);
+
+            return bookMeta.getStoredEnchants().containsKey(this.enchantment);
+        }else{
+            return item.containsEnchantment(this.enchantment);
+        }
+    }
+
+    @Override
+    public void addEnchantmentUnsafe(@NotNull ItemStack item, @NotNull ItemMeta meta, int level) {
+        if (isEnchantedBook(item)) {
+            EnchantmentStorageMeta bookMeta = ((EnchantmentStorageMeta)meta);
+
+            bookMeta.addStoredEnchant(this.enchantment, level, true);
+        } else {
+            item.addUnsafeEnchantment(this.enchantment, level);
+        }
+
+    }
+
+    @Override
+    public void removeFrom(@NotNull ItemStack item, @NotNull ItemMeta meta) {
+        if (ItemUtil.INSTANCE.isEnchantedBook(item)) {
+            EnchantmentStorageMeta bookMeta = ((EnchantmentStorageMeta)meta);
+
+            bookMeta.removeStoredEnchant(this.enchantment);
+        }
+        item.removeEnchantment(this.enchantment);
+
+    }
+
+    public static boolean isEnchantedBook(@NotNull ItemStack item){
+        return Material.ENCHANTED_BOOK.equals(item.getType());
+    }
+
+}

src/main/kotlin/io/delilaheve/CustomAnvil.kt

@@ -95,7 +95,7 @@ class CustomAnvil : JavaPlugin() {
         }
 
         // Register enchantments
-        WrappedEnchantment.registerEnchantments();
+        WrappedEnchantment.registerEnchantments()
 
         // Load ProtocolLib dependency if exist
         packetManager = if(pluginManager.isPluginEnabled("ProtocolLib"))