org.bukkit.inventory

Class ItemStack

java.lang.Object

org.bukkit.inventory.ItemStack

All Implemented Interfaces:

Cloneable, ConfigurationSerializable

public class ItemStack
extends Object
implements Cloneable, ConfigurationSerializable

Represents a stack of item

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ItemStack()
	ItemStack(ItemStack stack) Creates a new item stack derived from the specified stack
	ItemStack(Material type) Defaults stack size to 1, with no extra data
	ItemStack(Material type, int amount) An item stack with no extra data
	ItemStack(Material type, int amount, short damage) Deprecated. see setDurability(short)
	ItemStack(Material type, int amount, short damage, Byte data) Deprecated. this method uses an ambiguous data byte object

Method Summary

Modifier and Type	Method and Description
ItemStack	add() Adds 1 to this itemstack.
ItemStack	add(int qty) Adds quantity to this itemstack.
void	addEnchantment(Enchantment ench, int level) Adds the specified Enchantment to this item stack.
void	addEnchantments(Map<Enchantment,Integer> enchantments) Adds the specified enchantments to this item stack.
void	addItemFlags(ItemFlag... itemFlags) Set itemflags which should be ignored when rendering a ItemStack in the Client.
void	addUnsafeEnchantment(Enchantment ench, int level) Adds the specified Enchantment to this item stack.
void	addUnsafeEnchantments(Map<Enchantment,Integer> enchantments) Adds the specified enchantments to this item stack in an unsafe manner.
ItemStack	asOne() Clones the itemstack and returns it a single quantity.
ItemStack	asQuantity(int qty) Clones the itemstack and returns it as the specified quantity
ItemStack	clone()
boolean	containsEnchantment(Enchantment ench) Checks if this ItemStack contains the given Enchantment
static ItemStack	deserialize(Map<String,Object> args) Required method for configuration serialization
ItemStack	ensureServerConversions() Minecart updates are converting simple item stacks into more complex NBT oriented Item Stacks.
boolean	equals(Object obj)
int	getAmount() Gets the amount of items in this stack
MaterialData	getData() Gets the MaterialData for this stack of items
short	getDurability() Deprecated. see setDurability(short)
int	getEnchantmentLevel(Enchantment ench) Gets the level of the specified enchantment on this item stack
Map<Enchantment,Integer>	getEnchantments() Gets a map containing all enchantments and their levels on this item.
String	getI18NDisplayName() Gets the Display name as seen in the Client.
Set<ItemFlag>	getItemFlags() Get current set itemFlags.
ItemMeta	getItemMeta() Get a copy of this ItemStack's ItemMeta.
List<String>	getLore() If the item has lore, returns it, else it will return null
int	getMaxItemUseDuration()
int	getMaxStackSize() Get the maximum stacksize for the material hold in this ItemStack.
Material	getType() Gets the type of this item
int	hashCode()
boolean	hasItemFlag(ItemFlag flag) Check if the specified flag is present on this item.
boolean	hasItemMeta() Checks to see if any meta data has been defined.
boolean	isSimilar(ItemStack stack) This method is the same as equals, but does not consider stack size (amount).
int	removeEnchantment(Enchantment ench) Removes the specified Enchantment if it exists on this ItemStack
void	removeItemFlags(ItemFlag... itemFlags) Remove specific set of itemFlags.
Map<String,Object>	serialize() Creates a Map representation of this class.
void	setAmount(int amount) Sets the amount of items in this stack
void	setData(MaterialData data) Sets the MaterialData for this stack of items
void	setDurability(short durability) Deprecated. durability is now part of ItemMeta. To avoid confusion and misuse, getItemMeta(), setItemMeta(ItemMeta) and Damageable.setDamage(int) should be used instead. This is because any call to this method will be overwritten by subsequent setting of ItemMeta which was created before this call.
boolean	setItemMeta(ItemMeta itemMeta) Set the ItemMeta of this ItemStack.
void	setLore(List<String> lore) Sets the lore for this item.
void	setType(Material type) Sets the type of this item
ItemStack	subtract() Subtracts 1 to this itemstack.
ItemStack	subtract(int qty) Subtracts quantity to this itemstack.
String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ItemStack

protected ItemStack()

ItemStack

public ItemStack(@NotNull
                 Material type)

Defaults stack size to 1, with no extra data

Parameters:

type - item material

ItemStack

public ItemStack(@NotNull
                 Material type,
                 int amount)

An item stack with no extra data

Parameters:

type - item material

amount - stack size

ItemStack

public ItemStack(@NotNull
                 Material type,
                 int amount,
                 short damage)

Deprecated. see setDurability(short)

An item stack with the specified damage / durability

Parameters:

type - item material

amount - stack size

damage - durability / damage

ItemStack

@Deprecated
public ItemStack(@NotNull
                             Material type,
                             int amount,
                             short damage,
                             @Nullable
                             Byte data)

Deprecated. this method uses an ambiguous data byte object

Parameters:

type - the type

amount - the amount in the stack

damage - the damage value of the item

data - the data value or null

ItemStack

public ItemStack(@NotNull
                 ItemStack stack)
          throws IllegalArgumentException

Creates a new item stack derived from the specified stack

Parameters:

stack - the stack to copy

Throws:

IllegalArgumentException - if the specified stack is null or returns an item meta not created by the item factory

Method Detail

getType

@NotNull
public Material getType()

Gets the type of this item

Returns:

Type of the items in this stack

setType

public void setType(@NotNull
                    Material type)

Sets the type of this item

Note that in doing so you will reset the MaterialData for this stack

Parameters:

type - New type to set the items in this stack to

getAmount

public int getAmount()

Gets the amount of items in this stack

Returns:

Amount of items in this stack

setAmount

public void setAmount(int amount)

Sets the amount of items in this stack

Parameters:

amount - New amount of items in this stack

getData

@Nullable
public MaterialData getData()

Gets the MaterialData for this stack of items

Returns:

MaterialData for this item

setData

public void setData(@Nullable
                    MaterialData data)

Sets the MaterialData for this stack of items

Parameters:

data - New MaterialData for this item

setDurability

@Deprecated
public void setDurability(short durability)

Deprecated. durability is now part of ItemMeta. To avoid confusion and misuse, getItemMeta(), setItemMeta(ItemMeta) and Damageable.setDamage(int) should be used instead. This is because any call to this method will be overwritten by subsequent setting of ItemMeta which was created before this call.

Sets the durability of this item

Parameters:

durability - Durability of this item

getDurability

@Deprecated
public short getDurability()

Deprecated. see setDurability(short)

Gets the durability of this item

Returns:

Durability of this item

getMaxStackSize

public int getMaxStackSize()

Get the maximum stacksize for the material hold in this ItemStack. (Returns -1 if it has no idea)

Returns:

The maximum you can stack this material to.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

isSimilar

public boolean isSimilar(@Nullable
                         ItemStack stack)

This method is the same as equals, but does not consider stack size (amount).

Parameters:

stack - the item stack to compare to

Returns:

true if the two stacks are equal, ignoring the amount

clone

@NotNull
public ItemStack clone()

Overrides:

clone in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

containsEnchantment

public boolean containsEnchantment(@NotNull
                                   Enchantment ench)

Checks if this ItemStack contains the given Enchantment

Parameters:

ench - Enchantment to test

Returns:

True if this has the given enchantment

getEnchantmentLevel

public int getEnchantmentLevel(@NotNull
                               Enchantment ench)

Gets the level of the specified enchantment on this item stack

Parameters:

ench - Enchantment to check

Returns:

Level of the enchantment, or 0

getEnchantments

@NotNull
public Map<Enchantment,Integer> getEnchantments()

Gets a map containing all enchantments and their levels on this item.

Returns:

Map of enchantments.

addEnchantments

public void addEnchantments(@NotNull
                            Map<Enchantment,Integer> enchantments)

Adds the specified enchantments to this item stack.

This method is the same as calling addEnchantment(org.bukkit.enchantments.Enchantment, int) for each element of the map.

Parameters:

enchantments - Enchantments to add

Throws:

IllegalArgumentException - if the specified enchantments is null

IllegalArgumentException - if any specific enchantment or level is null. Warning: Some enchantments may be added before this exception is thrown.

addEnchantment

public void addEnchantment(@NotNull
                           Enchantment ench,
                           int level)

Adds the specified Enchantment to this item stack.

If this item stack already contained the given enchantment (at any level), it will be replaced.

Parameters:

ench - Enchantment to add

level - Level of the enchantment

Throws:

IllegalArgumentException - if enchantment null, or enchantment is not applicable

addUnsafeEnchantments

public void addUnsafeEnchantments(@NotNull
                                  Map<Enchantment,Integer> enchantments)

Adds the specified enchantments to this item stack in an unsafe manner.

This method is the same as calling addUnsafeEnchantment(org.bukkit.enchantments.Enchantment, int) for each element of the map.

Parameters:

enchantments - Enchantments to add

addUnsafeEnchantment

public void addUnsafeEnchantment(@NotNull
                                 Enchantment ench,
                                 int level)

Adds the specified Enchantment to this item stack.

If this item stack already contained the given enchantment (at any level), it will be replaced.

This method is unsafe and will ignore level restrictions or item type. Use at your own discretion.

Parameters:

ench - Enchantment to add

level - Level of the enchantment

removeEnchantment

public int removeEnchantment(@NotNull
                             Enchantment ench)

Removes the specified Enchantment if it exists on this ItemStack

Parameters:

ench - Enchantment to remove

Returns:

Previous level, or 0

serialize

@NotNull
public Map<String,Object> serialize()

Description copied from interface: ConfigurationSerializable

Creates a Map representation of this class.

This class must provide a method to restore this class, as defined in the ConfigurationSerializable interface javadocs.

Specified by:

serialize in interface ConfigurationSerializable

Returns:

Map containing the current state of this class

deserialize

@NotNull
public static ItemStack deserialize(@NotNull
                                             Map<String,Object> args)

Required method for configuration serialization

Parameters:

args - map to deserialize

Returns:

deserialized item stack

See Also:

ConfigurationSerializable

getItemMeta

public ItemMeta getItemMeta()

Get a copy of this ItemStack's ItemMeta.

Returns:

a copy of the current ItemStack's ItemData

hasItemMeta

public boolean hasItemMeta()

Checks to see if any meta data has been defined.

Returns:

Returns true if some meta data has been set for this item

setItemMeta

public boolean setItemMeta(@Nullable
                           ItemMeta itemMeta)

Set the ItemMeta of this ItemStack.

Parameters:

itemMeta - new ItemMeta, or null to indicate meta data be cleared.

Returns:

True if successfully applied ItemMeta, see ItemFactory.isApplicable(ItemMeta, ItemStack)

Throws:

IllegalArgumentException - if the item meta was not created by the ItemFactory

ensureServerConversions

@NotNull
public ItemStack ensureServerConversions()

Minecart updates are converting simple item stacks into more complex NBT oriented Item Stacks. Use this method to to ensure any desired data conversions are processed. The input itemstack will not be the same as the returned itemstack.

Returns:

A potentially Data Converted ItemStack

getI18NDisplayName

@Nullable
public String getI18NDisplayName()

Gets the Display name as seen in the Client. Currently the server only supports the English language. To override this, You must replace the language file embedded in the server jar.

Returns:

Display name of Item

getMaxItemUseDuration

public int getMaxItemUseDuration()

asOne

@NotNull
public ItemStack asOne()

Clones the itemstack and returns it a single quantity.

Returns:

The new itemstack with 1 quantity

asQuantity

@NotNull
public ItemStack asQuantity(int qty)

Clones the itemstack and returns it as the specified quantity

Parameters:

qty - The quantity of the cloned item

Returns:

The new itemstack with specified quantity

add

@NotNull
public ItemStack add()

Adds 1 to this itemstack. Will not go over the items max stack size.

Returns:

The same item (not a clone)

add

@NotNull
public ItemStack add(int qty)

Adds quantity to this itemstack. Will not go over the items max stack size.

Parameters:

qty - The amount to add

Returns:

The same item (not a clone)

subtract

@NotNull
public ItemStack subtract()

Subtracts 1 to this itemstack. Going to 0 or less will invalidate the item.

Returns:

The same item (not a clone)

subtract

@NotNull
public ItemStack subtract(int qty)

Subtracts quantity to this itemstack. Going to 0 or less will invalidate the item.

Parameters:

qty - The amount to add

Returns:

The same item (not a clone)

getLore

@Nullable
public List<String> getLore()

If the item has lore, returns it, else it will return null

Returns:

The lore, or null

setLore

public 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

addItemFlags

public 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

public 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
public Set<ItemFlag> getItemFlags()

Get current set itemFlags. The collection returned is unmodifiable.

Returns:

A set of all itemFlags set

hasItemFlag

public 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