Package org.bukkit.inventory.meta

Interface ItemMeta

All Superinterfaces:

Cloneable, ConfigurationSerializable

All Known Subinterfaces:

ArmorStandMeta, BannerMeta, BlockStateMeta, BookMeta, EnchantmentStorageMeta, FireworkEffectMeta, FireworkMeta, KnowledgeBookMeta, LeatherArmorMeta, MapMeta, PotionMeta, SkullMeta, SpawnEggMeta, TropicalFishBucketMeta

public interface ItemMeta
extends Cloneable, ConfigurationSerializable

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.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ItemMeta.Spigot

Method Summary

Modifier and Type	Method	Description
boolean	addAttributeModifier(Attribute attribute, AttributeModifier modifier)	Add an Attribute and it's Modifier.
boolean	addEnchant(Enchantment ench, int level, boolean ignoreLevelRestriction)	Adds the specified enchantment to this item meta.
void	addItemFlags(ItemFlag... itemFlags)	Set itemflags which should be ignored when rendering a ItemStack in the Client.
ItemMeta	clone()
com.google.common.collect.Multimap<Attribute,AttributeModifier>	getAttributeModifiers()	Return an immutable copy of all Attributes and their modifiers in this ItemMeta. Returns null if none exist.
Collection<AttributeModifier>	getAttributeModifiers(Attribute attribute)	Return an immutable copy of all AttributeModifiers for a given Attribute
com.google.common.collect.Multimap<Attribute,AttributeModifier>	getAttributeModifiers(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.
Set<Material>	getCanDestroy()	Deprecated. Minecraft does not limit this to the material enum, Use getDestroyableKeys() as a replacement
Set<Material>	getCanPlaceOn()	Deprecated. Minecraft does not limit this to the material enum, Use getPlaceableKeys() as a replacement
CustomItemTagContainer	getCustomTagContainer()	Returns a public custom tag container capable of storing tags on the item.
Set<Namespaced>	getDestroyableKeys()	Gets the collection of namespaced keys that the item can destroy in GameMode.ADVENTURE
String	getDisplayName()	Gets the display name that is set.
int	getEnchantLevel(Enchantment ench)	Checks for the level of the specified enchantment.
Map<Enchantment,Integer>	getEnchants()	Returns a copy the enchantments in this ItemMeta.
Set<ItemFlag>	getItemFlags()	Get current set itemFlags.
String	getLocalizedName()	Gets the localized display name that is set.
List<String>	getLore()	Gets the lore that is set.
Set<Namespaced>	getPlaceableKeys()	Gets the collection of namespaced keys that the item can be placed on in GameMode.ADVENTURE
boolean	hasAttributeModifiers()	Checks for the existence of any AttributeModifiers.
boolean	hasConflictingEnchant(Enchantment ench)	Checks if the specified enchantment conflicts with any enchantments in this ItemMeta.
boolean	hasDestroyableKeys()	Checks for the existence of any keys that the item can destroy
boolean	hasDisplayName()	Checks for existence of a display name.
boolean	hasEnchant(Enchantment ench)	Checks for existence of the specified enchantment.
boolean	hasEnchants()	Checks for the existence of any enchantments.
boolean	hasItemFlag(ItemFlag flag)	Check if the specified flag is present on this item.
boolean	hasLocalizedName()	Checks for existence of a localized name.
boolean	hasLore()	Checks for existence of lore.
boolean	hasPlaceableKeys()	Checks for the existence of any keys that the item can be placed on
boolean	isUnbreakable()	Return if the unbreakable tag is true.
boolean	removeAttributeModifier(Attribute attribute)	Remove all AttributeModifiers associated with the given Attribute.
boolean	removeAttributeModifier(Attribute attribute, AttributeModifier modifier)	Remove a specific Attribute and AttributeModifier.
boolean	removeAttributeModifier(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.
boolean	removeEnchant(Enchantment ench)	Removes the specified enchantment from this item meta.
void	removeItemFlags(ItemFlag... itemFlags)	Remove specific set of itemFlags.
void	setAttributeModifiers(com.google.common.collect.Multimap<Attribute,AttributeModifier> attributeModifiers)	Set all Attributes and their AttributeModifiers.
void	setCanDestroy(Set<Material> canDestroy)	Deprecated. Minecraft does not limit this to the material enum, Use setDestroyableKeys(Collection) as a replacement
void	setCanPlaceOn(Set<Material> canPlaceOn)	Deprecated. Minecraft does not limit this to the material enum, Use setPlaceableKeys(Collection) as a replacement
void	setDestroyableKeys(Collection<Namespaced> canDestroy)	Sets the collection of namespaced keys that the item can destroy in GameMode.ADVENTURE
void	setDisplayName(String name)	Sets the display name.
void	setLocalizedName(String name)	Sets the localized name.
void	setLore(List<String> lore)	Sets the lore for this item.
void	setPlaceableKeys(Collection<Namespaced> canPlaceOn)	Sets the set of namespaced keys that the item can be placed on in GameMode.ADVENTURE
void	setUnbreakable(boolean unbreakable)	Sets the unbreakable tag.
ItemMeta.Spigot	spigot()

Methods inherited from interface org.bukkit.configuration.serialization.ConfigurationSerializable

serialize

Method Detail

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

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
com.google.common.collect.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
com.google.common.collect.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
                           com.google.common.collect.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:

AttributeModifier.getUniqueId()

getCustomTagContainer

@NotNull
CustomItemTagContainer getCustomTagContainer()

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

clone

@NotNull
ItemMeta clone()

spigot

@NotNull
ItemMeta.Spigot spigot()

getCanDestroy

@Deprecated
Set<Material> getCanDestroy()

Deprecated.

Minecraft does not limit this to the material enum, Use getDestroyableKeys() as a replacement

Gets set of materials what given item can destroy in GameMode.ADVENTURE

Returns:

Set of materials

setCanDestroy

@Deprecated
void setCanDestroy(Set<Material> canDestroy)

Deprecated.

Minecraft does not limit this to the material enum, Use setDestroyableKeys(Collection) as a replacement

Sets set of materials what given item can destroy in GameMode.ADVENTURE

Parameters:

canDestroy - Set of materials

getCanPlaceOn

@Deprecated
Set<Material> getCanPlaceOn()

Deprecated.

Minecraft does not limit this to the material enum, Use getPlaceableKeys() as a replacement

Gets set of materials where given item can be placed on in GameMode.ADVENTURE

Returns:

Set of materials

setCanPlaceOn

@Deprecated
void setCanPlaceOn(Set<Material> canPlaceOn)

Deprecated.

Minecraft does not limit this to the material enum, Use setPlaceableKeys(Collection) as a replacement

Sets set of materials where given item can be placed on in GameMode.ADVENTURE

Parameters:

canPlaceOn - Set of materials

getDestroyableKeys

@NotNull
Set<Namespaced> getDestroyableKeys()

Gets the collection of namespaced keys that the item can destroy in GameMode.ADVENTURE

Returns:

Set of Namespaced

setDestroyableKeys

void setDestroyableKeys(@NotNull
                        Collection<Namespaced> canDestroy)

Sets the collection of namespaced keys that the item can destroy in GameMode.ADVENTURE

Parameters:

canDestroy - Collection of Namespaced

getPlaceableKeys

@NotNull
Set<Namespaced> getPlaceableKeys()

Gets the collection of namespaced keys that the item can be placed on in GameMode.ADVENTURE

Returns:

Set of Namespaced

setPlaceableKeys

@NotNull
void setPlaceableKeys(@NotNull
                      Collection<Namespaced> canPlaceOn)

Sets the set of namespaced keys that the item can be placed on in GameMode.ADVENTURE

Parameters:

canPlaceOn - Collection of Namespaced

hasPlaceableKeys

boolean hasPlaceableKeys()

Checks for the existence of any keys that the item can be placed on

Returns:

true if this item has placeable keys

hasDestroyableKeys

boolean hasDestroyableKeys()

Checks for the existence of any keys that the item can destroy

Returns:

true if this item has destroyable keys