Package cloud.commandframework.context

Class CommandContext<C>

java.lang.Object

cloud.commandframework.context.CommandContext<C>

Type Parameters:

C - Command sender type

public final class CommandContext<C>
extends Object

Command context used to assist in the parsing of commands

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CommandContext.ArgumentTiming	Used to track performance metrics related to command parsing.

Constructor Summary

Constructors

Constructor	Description
CommandContext(boolean suggestions, @NonNull C commandSender, @NonNull CaptionRegistry<C> captionRegistry)	Deprecated. Provide a command manager instead of a caption registry
CommandContext(boolean suggestions, @NonNull C commandSender, @NonNull CommandManager<C> commandManager)	Create a new command context instance
CommandContext(@NonNull C commandSender, @NonNull CaptionRegistry<C> captionRegistry)	Deprecated. Provide a command manager instead of a caption registry
CommandContext(@NonNull C commandSender, @NonNull CommandManager<C> commandManager)	Create a new command context instance

Method Summary

Modifier and Type	Method	Description
@NonNull Map<@NonNull String,@Nullable ?>	asMap()	Get the current state of this command context as a map of String to context value.
boolean	contains(@NonNull CloudKey<?> key)	Check if the context has a value stored for a key
boolean	contains(@NonNull String key)	Check if the context has a value stored for a key
@NonNull CommandContext.ArgumentTiming	createTiming(@NonNull CommandArgument<C,?> argument)	Create an argument timing for a specific argument
@NonNull FlagContext	flags()	Get the associated FlagContext instance
@NonNull String	formatMessage(@NonNull Caption caption, @NonNull CaptionVariable... variables)	Format a caption
<T> @NonNull T	get(@NonNull CommandArgument<C,T> keyHolder)	Get a required argument from the context.
<T> @NonNull T	get(@NonNull CloudKey<T> key)	Get a required argument from the context.
<T> @NonNull T	get(@NonNull CloudKeyHolder<T> keyHolder)	Get a required argument from the context.
<T> @NonNull T	get(@NonNull String key)	Get a required argument from the context.
@NonNull Map<CommandArgument<@NonNull C,@NonNull ?>,CommandContext.ArgumentTiming>	getArgumentTimings()	Get an immutable view of the argument timings map
@Nullable CommandArgument<C,?>	getCurrentArgument()	Get the argument that is currently being parsed for this command context.
<T> @NonNull Optional<T>	getOptional(@NonNull CommandArgument<C,T> keyHolder)	Get a value from its key.
<T> @NonNull Optional<T>	getOptional(@NonNull CloudKey<T> key)	Get a value from its key.
<T> @NonNull Optional<T>	getOptional(@NonNull CloudKeyHolder<T> keyHolder)	Get a value from its key.
<T> @NonNull Optional<T>	getOptional(@NonNull String key)	Get a value from its key.
<T> @Nullable T	getOrDefault(@NonNull CommandArgument<C,T> argument, @Nullable T defaultValue)	Get a value if it exists, else return the provided default value
<T> @Nullable T	getOrDefault(@NonNull CloudKey<T> key, @Nullable T defaultValue)	Get a value if it exists, else return the provided default value
<T> @Nullable T	getOrDefault(@NonNull String key, @Nullable T defaultValue)	Get a value if it exists, else return the provided default value
<T> @Nullable T	getOrSupplyDefault(@NonNull CloudKey<T> key, @NonNull Supplier<@Nullable T> defaultSupplier)	Get a value if it exists, else return the value supplied by the given supplier
<T> @Nullable T	getOrSupplyDefault(@NonNull String key, @NonNull Supplier<@Nullable T> defaultSupplier)	Get a value if it exists, else return the value supplied by the given supplier
@NonNull LinkedList<@NonNull String>	getRawInput()	Get the raw input.
@NonNull String	getRawInputJoined()	Get the raw input as a joined string
@NonNull C	getSender()	Get the sender that executed the command
<@NonNull T> @NonNull Optional<T>	inject(@NonNull Class<@NonNull T> clazz)	Attempt to retrieve a value that has been registered to the associated command manager's ParameterInjectorRegistry
boolean	isSuggestions()	Check if this context was created for tab completion purposes
void	remove(@NonNull CloudKey<?> key)	Remove a stored value from the context
void	remove(@NonNull String key)	Remove a stored value from the context
<T> void	set(@NonNull CloudKey<T> key, @Nullable T value)	Store or remove a value in the context map.
<T> void	set(@NonNull String key, @Nullable T value)	Store or remove a value in the context map.
void	setCurrentArgument(@Nullable CommandArgument<C,?> argument)	Set the argument that is currently being parsed for this command context.
<T> void	store(@NonNull CommandArgument<C,T> keyHolder, @NonNull T value)	Store a value in the context map.
<T> void	store(@NonNull CloudKey<T> key, @NonNull T value)	Store a value in the context map.
<T> void	store(@NonNull CloudKeyHolder<T> keyHolder, @NonNull T value)	Store a value in the context map.
<T> void	store(@NonNull String key, @NonNull T value)	Store a value in the context map.

Methods inherited from class java.lang.Object

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

Constructor Details

CommandContext

@Deprecated
public CommandContext(@NonNull C commandSender,
 @NonNull CaptionRegistry<C> captionRegistry)

Deprecated.

Provide a command manager instead of a caption registry

Create a new command context instance

Parameters:

commandSender - Sender of the command

captionRegistry - Caption registry

CommandContext

public CommandContext(@NonNull C commandSender,
 @NonNull CommandManager<C> commandManager)

Create a new command context instance

Parameters:

commandSender - Sender of the command

commandManager - Command manager

Since:

1.3.0

CommandContext

@Deprecated
public CommandContext(boolean suggestions,
 @NonNull C commandSender,
 @NonNull CaptionRegistry<C> captionRegistry)

Deprecated.

Provide a command manager instead of a caption registry

Create a new command context instance

Parameters:

suggestions - Whether or not the context is created for command suggestions

commandSender - Sender of the command

captionRegistry - Caption registry

CommandContext

public CommandContext(boolean suggestions,
 @NonNull C commandSender,
 @NonNull CommandManager<C> commandManager)

Create a new command context instance

Parameters:

suggestions - Whether or not the context is created for command suggestions

commandSender - Sender of the command

commandManager - Command manager

Since:

1.3.0

Method Details

formatMessage

public @NonNull String formatMessage(@NonNull Caption caption,
 @NonNull CaptionVariable... variables)

Format a caption

Parameters:

caption - Caption key

variables - Replacements

Returns:

Formatted message

getSender

public @NonNull C getSender()

Get the sender that executed the command

Returns:

Command sender

isSuggestions

public boolean isSuggestions()

Check if this context was created for tab completion purposes

Returns:

true if this context is requesting suggestions, else false

store

public <T> void store(@NonNull String key,
 @NonNull T value)

Store a value in the context map. This will overwrite any existing value stored with the same key

Type Parameters:

T - Value type

Parameters:

key - Key

value - Value

store

public <T> void store(@NonNull CloudKey<T> key,
 @NonNull T value)

Store a value in the context map. This will overwrite any existing value stored with the same key

Type Parameters:

T - Value type

Parameters:

key - Key

value - Value

store

public <T> void store(@NonNull CommandArgument<C,T> keyHolder,
 @NonNull T value)

Store a value in the context map. This will overwrite any existing value stored with the same key

Type Parameters:

T - Value type

Parameters:

keyHolder - Holder of the identifying key

value - Value

store

public <T> void store(@NonNull CloudKeyHolder<T> keyHolder,
 @NonNull T value)

Store a value in the context map. This will overwrite any existing value stored with the same key

Type Parameters:

T - Value type

Parameters:

keyHolder - Holder of the identifying key

value - Value

Since:

1.4.0

set

public <T> void set(@NonNull String key,
 @Nullable T value)

Store or remove a value in the context map. This will overwrite any existing value stored with the same key.

If the provided value is null, any current value stored for the provided key will be removed.

Type Parameters:

T - Value type

Parameters:

key - Key

value - Value

Since:

1.3.0

set

public <T> void set(@NonNull CloudKey<T> key,
 @Nullable T value)

Store or remove a value in the context map. This will overwrite any existing value stored with the same key.

If the provided value is null, any current value stored for the provided key will be removed.

Type Parameters:

T - Value type

Parameters:

key - Key

value - Value

Since:

1.4.0

contains

public boolean contains(@NonNull String key)

Check if the context has a value stored for a key

Parameters:

key - Key

Returns:

Whether the context has a value for the provided key

Since:

1.3.0

contains

public boolean contains(@NonNull CloudKey<?> key)

Check if the context has a value stored for a key

Parameters:

key - Key

Returns:

Whether the context has a value for the provided key

Since:

1.4.0

asMap

public @NonNull Map<@NonNull String,@Nullable ?> asMap()

Get the current state of this command context as a map of String to context value.

Returns:

An immutable copy of this command context as a map

Since:

1.3.0

getOptional

public <T> @NonNull Optional<T> getOptional(@NonNull String key)

Get a value from its key. Will return Optional.empty() if no value is stored with the given key

Type Parameters:

T - Value type

Parameters:

key - Key

Returns:

Value

getOptional

public <T> @NonNull Optional<T> getOptional(@NonNull CloudKey<T> key)

Get a value from its key. Will return Optional.empty() if no value is stored with the given key

Type Parameters:

T - Value type

Parameters:

key - Key

Returns:

Value

Since:

1.4.0

getOptional

public <T> @NonNull Optional<T> getOptional(@NonNull CommandArgument<C,T> keyHolder)

Get a value from its key. Will return Optional.empty() if no value is stored with the given key

Type Parameters:

T - Value type

Parameters:

keyHolder - Holder of the key

Returns:

Value

getOptional

public <T> @NonNull Optional<T> getOptional(@NonNull CloudKeyHolder<T> keyHolder)

Get a value from its key. Will return Optional.empty() if no value is stored with the given key

Type Parameters:

T - Value type

Parameters:

keyHolder - Holder of the key

Returns:

Value

Since:

1.4.0

remove

public void remove(@NonNull String key)

Remove a stored value from the context

Parameters:

key - Key to remove

remove

public void remove(@NonNull CloudKey<?> key)

Remove a stored value from the context

Parameters:

key - Key to remove

Since:

1.4.0

get

public <T> @NonNull T get(@NonNull String key)

Get a required argument from the context. This will thrown an exception if there's no value associated with the given key

Type Parameters:

T - Argument type

Parameters:

key - Argument key

Returns:

Argument

Throws:

NullPointerException - If no such argument is stored

get

public <T> @NonNull T get(@NonNull CloudKey<T> key)

Get a required argument from the context. This will thrown an exception if there's no value associated with the given key

Type Parameters:

T - Argument type

Parameters:

key - Argument key

Returns:

Argument

Throws:

NullPointerException - If no such argument is stored

Since:

1.4.0

get

public <T> @NonNull T get(@NonNull CommandArgument<C,T> keyHolder)

Get a required argument from the context. This will thrown an exception if there's no value associated with the given argument

Type Parameters:

T - Argument type

Parameters:

keyHolder - Holder of the identifying key

Returns:

Stored value

Throws:

NullPointerException - If no such value is stored

get

public <T> @NonNull T get(@NonNull CloudKeyHolder<T> keyHolder)

Get a required argument from the context. This will thrown an exception if there's no value associated with the given argument

Type Parameters:

T - Argument type

Parameters:

keyHolder - Holder of the identifying key

Returns:

Stored value

Throws:

NullPointerException - If no such value is stored

Since:

1.4.0

getOrDefault

public <T> @Nullable T getOrDefault(@NonNull CommandArgument<C,T> argument,
 @Nullable T defaultValue)

Get a value if it exists, else return the provided default value

Type Parameters:

T - Argument type

Parameters:

argument - Argument

defaultValue - Default value

Returns:

Stored value, or supplied default value

getOrDefault

public <T> @Nullable T getOrDefault(@NonNull String key,
 @Nullable T defaultValue)

Get a value if it exists, else return the provided default value

Type Parameters:

T - Argument type

Parameters:

key - Argument key

defaultValue - Default value

Returns:

Argument, or supplied default value

getOrDefault

public <T> @Nullable T getOrDefault(@NonNull CloudKey<T> key,
 @Nullable T defaultValue)

Get a value if it exists, else return the provided default value

Type Parameters:

T - Argument type

Parameters:

key - Argument key

defaultValue - Default value

Returns:

Argument, or supplied default value

Since:

1.4.0

getOrSupplyDefault

public <T> @Nullable T getOrSupplyDefault(@NonNull String key,
 @NonNull Supplier<@Nullable T> defaultSupplier)

Get a value if it exists, else return the value supplied by the given supplier

Type Parameters:

T - Argument type

Parameters:

key - Argument key

defaultSupplier - Supplier of default value

Returns:

Argument, or supplied default value

Since:

1.2.0

getOrSupplyDefault

public <T> @Nullable T getOrSupplyDefault(@NonNull CloudKey<T> key,
 @NonNull Supplier<@Nullable T> defaultSupplier)

Get a value if it exists, else return the value supplied by the given supplier

Type Parameters:

T - Argument type

Parameters:

key - Argument key

defaultSupplier - Supplier of default value

Returns:

Argument, or supplied default value

Since:

1.4.0

getRawInput

public @NonNull LinkedList<@NonNull String> getRawInput()

Get the raw input. This should only be used when isSuggestions() is true

Returns:

Raw input in token form

getRawInputJoined

public @NonNull String getRawInputJoined()

Get the raw input as a joined string

Returns:

getRawInput() joined with " " as the delimiter

Since:

1.1.0

createTiming

public @NonNull CommandContext.ArgumentTiming createTiming(@NonNull CommandArgument<C,?> argument)

Create an argument timing for a specific argument

Parameters:

argument - Argument

Returns:

Created timing instance

getArgumentTimings

public @NonNull Map<CommandArgument<@NonNull C,@NonNull ?>,CommandContext.ArgumentTiming> getArgumentTimings()

Get an immutable view of the argument timings map

Returns:

Argument timings

flags

public @NonNull FlagContext flags()

Get the associated FlagContext instance

Returns:

Flag context

getCurrentArgument

public @Nullable CommandArgument<C,?> getCurrentArgument()

Get the argument that is currently being parsed for this command context. This value will be updated whenever the context is used to provide new suggestions or parse a new command argument

Returns:

Currently parsing CommandArgument or null

Since:

1.2.0

setCurrentArgument

public void setCurrentArgument(@Nullable CommandArgument<C,?> argument)

Set the argument that is currently being parsed for this command context. This value should be updated whenever the context is used to provide new suggestions or parse a new command argument

Parameters:

argument - Currently parsing CommandArgument or null

Since:

1.2.0

inject

public <@NonNull T> @NonNull Optional<T> inject(@NonNull Class<@NonNull T> clazz)

Attempt to retrieve a value that has been registered to the associated command manager's ParameterInjectorRegistry

Type Parameters:

T - Type to inject

Parameters:

clazz - Class of type to inject

Returns:

Optional that may contain the created value

Since:

1.3.0