Package org.bukkit.inventory.meta

Interface ItemMeta

All Superinterfaces:
Cloneable, ConfigurationSerializable, PersistentDataHolder
All Known Subinterfaces:
ArmorMeta, AxolotlBucketMeta, BannerMeta, BlockDataMeta, BlockStateMeta, BookMeta, BundleMeta, ColorableArmorMeta, CompassMeta, CrossbowMeta, Damageable, EnchantmentStorageMeta, FireworkEffectMeta, FireworkMeta, KnowledgeBookMeta, LeatherArmorMeta, MapMeta, MusicInstrumentMeta, PotionMeta, Repairable, SkullMeta, SpawnEggMeta, SuspiciousStewMeta, TropicalFishBucketMeta
public interface ItemMeta extends Cloneable, ConfigurationSerializable, PersistentDataHolder
This type represents the storage mechanism for auxiliary item data.

An implementation will handle the creation and application for ItemMeta. This class should not be implemented by a plugin in a live environment.

  • Method Details

    • hasDisplayName

      boolean hasDisplayName()
      Checks for existence of a display name.
      Returns:
      true if this has a display name

    • getDisplayName

      @NotNull String getDisplayName()
      Gets the display name that is set.

      Plugins should check that hasDisplayName() returns true before calling this method.

      Returns:
      the display name that is set

    • setDisplayName

      void setDisplayName(@Nullable String name)
      Sets the display name.
      Parameters:
      name - the name to set

    • hasLocalizedName

      boolean hasLocalizedName()
      Checks for existence of a localized name.
      Returns:
      true if this has a localized name

    • getLocalizedName

      @NotNull String getLocalizedName()
      Gets the localized display name that is set.

      Plugins should check that hasLocalizedName() returns true before calling this method.

      Returns:
      the localized name that is set

    • setLocalizedName

      void setLocalizedName(@Nullable String name)
      Sets the localized name.
      Parameters:
      name - the name to set

    • hasLore

      boolean hasLore()
      Checks for existence of lore.
      Returns:
      true if this has lore

    • getLore

      @Nullable List<String> getLore()
      Gets the lore that is set.

      Plugins should check if hasLore() returns true before calling this method.

      Returns:
      a list of lore that is set

    • setLore

      void setLore(@Nullable List<String> lore)
      Sets the lore for this item. Removes lore when given null.
      Parameters:
      lore - the lore that will be set

    • hasCustomModelData

      boolean hasCustomModelData()
      Checks for existence of custom model data.

      CustomModelData is an integer that may be associated client side with a custom item model.

      Returns:
      true if this has custom model data

    • getCustomModelData

      int getCustomModelData()
      Gets the custom model data that is set.

      CustomModelData is an integer that may be associated client side with a custom item model.

      Plugins should check that hasCustomModelData() returns true before calling this method.

      Returns:
      the custom model data that is set

    • setCustomModelData

      void setCustomModelData(@Nullable Integer data)
      Sets the custom model data.

      CustomModelData is an integer that may be associated client side with a custom item model.

      Parameters:
      data - the data to set, or null to clear

    • hasEnchants

      boolean hasEnchants()
      Checks for the existence of any enchantments.
      Returns:
      true if an enchantment exists on this meta

    • hasEnchant

      boolean hasEnchant(@NotNull Enchantment ench)
      Checks for existence of the specified enchantment.
      Parameters:
      ench - enchantment to check
      Returns:
      true if this enchantment exists for this meta

    • getEnchantLevel

      int getEnchantLevel(@NotNull Enchantment ench)
      Checks for the level of the specified enchantment.
      Parameters:
      ench - enchantment to check
      Returns:
      The level that the specified enchantment has, or 0 if none

    • getEnchants

      @NotNull Map<Enchantment,Integer> getEnchants()
      Returns a copy the enchantments in this ItemMeta.
      Returns an empty map if none.
      Returns:
      An immutable copy of the enchantments

    • addEnchant

      boolean addEnchant(@NotNull Enchantment ench, int level, boolean ignoreLevelRestriction)
      Adds the specified enchantment to this item meta.
      Parameters:
      ench - Enchantment to add
      level - Level for the enchantment
      ignoreLevelRestriction - this indicates the enchantment should be applied, ignoring the level limit
      Returns:
      true if the item meta changed as a result of this call, false otherwise

    • removeEnchant

      boolean removeEnchant(@NotNull Enchantment ench)
      Removes the specified enchantment from this item meta.
      Parameters:
      ench - Enchantment to remove
      Returns:
      true if the item meta changed as a result of this call, false otherwise

    • hasConflictingEnchant

      boolean hasConflictingEnchant(@NotNull Enchantment ench)
      Checks if the specified enchantment conflicts with any enchantments in this ItemMeta.
      Parameters:
      ench - enchantment to test
      Returns:
      true if the enchantment conflicts, false otherwise

    • addItemFlags

      void addItemFlags(@NotNull ItemFlag... itemFlags)
      Set itemflags which should be ignored when rendering a ItemStack in the Client. This Method does silently ignore double set itemFlags.
      Parameters:
      itemFlags - The hideflags which shouldn't be rendered

    • removeItemFlags

      void removeItemFlags(@NotNull ItemFlag... itemFlags)
      Remove specific set of itemFlags. This tells the Client it should render it again. This Method does silently ignore double removed itemFlags.
      Parameters:
      itemFlags - Hideflags which should be removed

    • getItemFlags

      @NotNull Set<ItemFlag> getItemFlags()
      Get current set itemFlags. The collection returned is unmodifiable.
      Returns:
      A set of all itemFlags set

    • hasItemFlag

      boolean hasItemFlag(@NotNull ItemFlag flag)
      Check if the specified flag is present on this item.
      Parameters:
      flag - the flag to check
      Returns:
      if it is present

    • isUnbreakable

      boolean isUnbreakable()
      Return if the unbreakable tag is true. An unbreakable item will not lose durability.
      Returns:
      true if the unbreakable tag is true

    • setUnbreakable

      void setUnbreakable(boolean unbreakable)
      Sets the unbreakable tag. An unbreakable item will not lose durability.
      Parameters:
      unbreakable - true if set unbreakable

    • hasAttributeModifiers

      boolean hasAttributeModifiers()
      Checks for the existence of any AttributeModifiers.
      Returns:
      true if any AttributeModifiers exist

    • getAttributeModifiers

      @Nullable Multimap<Attribute,AttributeModifier> getAttributeModifiers()
      Return an immutable copy of all Attributes and their modifiers in this ItemMeta.
      Returns null if none exist.
      Returns:
      an immutable Multimap of Attributes and their AttributeModifiers, or null if none exist

    • getAttributeModifiers

      @NotNull Multimap<Attribute,AttributeModifier> getAttributeModifiers(@NotNull EquipmentSlot slot)
      Return an immutable copy of all Attributes and their AttributeModifiers for a given EquipmentSlot.
      Any AttributeModifier that does have have a given EquipmentSlot will be returned. This is because AttributeModifiers without a slot are active in any slot.
      If there are no attributes set for the given slot, an empty map will be returned.
      Parameters:
      slot - the EquipmentSlot to check
      Returns:
      the immutable Multimap with the respective Attributes and modifiers, or an empty map if no attributes are set.

    • getAttributeModifiers

      @Nullable Collection<AttributeModifier> getAttributeModifiers(@NotNull Attribute attribute)
      Return an immutable copy of all AttributeModifiers for a given Attribute
      Parameters:
      attribute - the Attribute
      Returns:
      an immutable collection of AttributeModifiers or null if no AttributeModifiers exist for the Attribute.
      Throws:
      NullPointerException - if Attribute is null

    • addAttributeModifier

      boolean addAttributeModifier(@NotNull Attribute attribute, @NotNull AttributeModifier modifier)
      Add an Attribute and it's Modifier. AttributeModifiers can now support EquipmentSlots. If not set, the AttributeModifier will be active in ALL slots.
      Two AttributeModifiers that have the same UUID cannot exist on the same Attribute.
      Parameters:
      attribute - the Attribute to modify
      modifier - the AttributeModifier specifying the modification
      Returns:
      true if the Attribute and AttributeModifier were successfully added
      Throws:
      NullPointerException - if Attribute is null
      NullPointerException - if AttributeModifier is null
      IllegalArgumentException - if AttributeModifier already exists

    • setAttributeModifiers

      void setAttributeModifiers(@Nullable Multimap<Attribute,AttributeModifier> attributeModifiers)
      Set all Attributes and their AttributeModifiers. To clear all currently set Attributes and AttributeModifiers use null or an empty Multimap. If not null nor empty, this will filter all entries that are not-null and add them to the ItemStack.
      Parameters:
      attributeModifiers - the new Multimap containing the Attributes and their AttributeModifiers

    • removeAttributeModifier

      boolean removeAttributeModifier(@NotNull Attribute attribute)
      Remove all AttributeModifiers associated with the given Attribute. This will return false if nothing was removed.
      Parameters:
      attribute - attribute to remove
      Returns:
      true if all modifiers were removed from a given Attribute. Returns false if no attributes were removed.
      Throws:
      NullPointerException - if Attribute is null

    • removeAttributeModifier

      boolean removeAttributeModifier(@NotNull EquipmentSlot slot)
      Remove all Attributes and AttributeModifiers for a given EquipmentSlot.
      If the given EquipmentSlot is null, this will remove all AttributeModifiers that do not have an EquipmentSlot set.
      Parameters:
      slot - the EquipmentSlot to clear all Attributes and their modifiers for
      Returns:
      true if all modifiers were removed that match the given EquipmentSlot.

    • removeAttributeModifier

      boolean removeAttributeModifier(@NotNull Attribute attribute, @NotNull AttributeModifier modifier)
      Remove a specific Attribute and AttributeModifier. AttributeModifiers are matched according to their UUID.
      Parameters:
      attribute - the Attribute to remove
      modifier - the AttributeModifier to remove
      Returns:
      if any attribute modifiers were remove
      Throws:
      NullPointerException - if the Attribute is null
      NullPointerException - if the AttributeModifier is null
      See Also:

    • getAsString

      @NotNull String getAsString()
      Get this ItemMeta as an NBT string.

      This string should not be relied upon as a serializable value. If serialization is desired, the ConfigurationSerializable API should be used instead.

      Returns:
      the NBT string

    • getCustomTagContainer

      @NotNull @Deprecated CustomItemTagContainer getCustomTagContainer()
      Deprecated.
      this API part has been replaced by the PersistentDataHolder API. Please use PersistentDataHolder.getPersistentDataContainer() instead of this.
      Returns a public custom tag container capable of storing tags on the item. Those tags will be sent to the client with all of their content, so the client is capable of reading them. This will result in the player seeing a NBT Tag notification on the item. These tags can also be modified by the client once in creative mode
      Returns:
      the custom tag container

    • setVersion

      @Internal void setVersion(int version)
      Internal use only! Do not use under any circumstances!
      Parameters:
      version - version
      API Note:
      internal use only

    • clone

      @NotNull ItemMeta clone()