net.minecraftforge.common

Class UsernameCache

java.lang.Object

net.minecraftforge.common.UsernameCache

public final class UsernameCache
extends java.lang.Object

Caches player's last known usernames

Modders should use getLastKnownUsername(UUID) to determine a players last known username.
For convenience, getMap() is provided to get an immutable copy of the caches underlying map.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	UsernameCache.SaveThread Used for saving the Gson representation of the cache to disk

Field Summary

Fields

Modifier and Type	Field and Description
private static java.nio.charset.Charset	charset
private static com.google.gson.Gson	gson
private static org.apache.logging.log4j.Logger	log
private static java.util.Map<java.util.UUID,java.lang.String>	map
private static java.io.File	saveFile

Constructor Summary

Constructors

Modifier	Constructor and Description
private	UsernameCache()

Method Summary

Modifier and Type	Method and Description
static boolean	containsUUID(java.util.UUID uuid) Check if the cache contains the given player's username
static java.lang.String	getLastKnownUsername(java.util.UUID uuid) Get the player's last known username
static java.util.Map<java.util.UUID,java.lang.String>	getMap() Get an immutable copy of the cache's underlying map
protected static void	load() Load the cache from file
protected static boolean	removeUsername(java.util.UUID uuid) Remove a player's username from the cache
protected static void	save() Save the cache to file
protected static void	setUsername(java.util.UUID uuid, java.lang.String username) Set a player's current username

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

map

private static java.util.Map<java.util.UUID,java.lang.String> map

charset

private static final java.nio.charset.Charset charset

saveFile

private static final java.io.File saveFile

gson

private static final com.google.gson.Gson gson

log

private static final org.apache.logging.log4j.Logger log

Constructor Detail

UsernameCache

private UsernameCache()

Method Detail

setUsername

protected static void setUsername(java.util.UUID uuid,
                                  java.lang.String username)

Set a player's current username

Parameters:

uuid - the player's UUID

username - the player's username

removeUsername

protected static boolean removeUsername(java.util.UUID uuid)

Remove a player's username from the cache

Parameters:

uuid - the player's UUID

Returns:

if the cache contained the user

getLastKnownUsername

@Nullable
public static java.lang.String getLastKnownUsername(java.util.UUID uuid)

Get the player's last known username

May be null

Parameters:

uuid - the player's UUID

Returns:

the player's last known username, or null if the cache doesn't have a record of the last username

containsUUID

public static boolean containsUUID(java.util.UUID uuid)

Check if the cache contains the given player's username

Parameters:

uuid - the player's UUID

Returns:

if the cache contains a username for the given player

getMap

public static java.util.Map<java.util.UUID,java.lang.String> getMap()

Get an immutable copy of the cache's underlying map

Returns:

the map

save

protected static void save()

Save the cache to file

load

protected static void load()

Load the cache from file