Package org.bukkit.command

Class Command

java.lang.Object
org.bukkit.command.Command
Direct Known Subclasses:
BukkitCommand, FormattedCommandAlias, MultipleCommandAlias, PluginCommand
public abstract class Command
extends Object
Represents a Command, which executes various tasks upon user input

  • Field Details

  • Constructor Details

  • Method Details

    • execute

      public abstract boolean execute​(@NotNull CommandSender sender, @NotNull String commandLabel, @NotNull String[] args)
      Executes the command, returning its success
      Parameters:
      sender - Source object which is executing this command
      commandLabel - The alias of the command used
      args - All arguments passed to the command, split via ' '
      Returns:
      true if the command was successful, otherwise false

    • tabComplete

      @NotNull public List<String> tabComplete​(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) throws IllegalArgumentException
      Executed on tab completion for this command, returning a list of options the player can tab through.
      Parameters:
      sender - Source object which is executing this command
      alias - the alias being used
      args - All arguments passed to the command, split via ' '
      Returns:
      a list of tab-completions for the specified arguments. This will never be null. List may be immutable.
      Throws:
      IllegalArgumentException - if sender, alias, or args is null

    • tabComplete

      @NotNull public List<String> tabComplete​(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args, @Nullable Location location) throws IllegalArgumentException
      Executed on tab completion for this command, returning a list of options the player can tab through.
      Parameters:
      sender - Source object which is executing this command
      alias - the alias being used
      args - All arguments passed to the command, split via ' '
      location - The position looked at by the sender, or null if none
      Returns:
      a list of tab-completions for the specified arguments. This will never be null. List may be immutable.
      Throws:
      IllegalArgumentException - if sender, alias, or args is null

    • getName

      @NotNull public String getName()
      Returns the name of this command
      Returns:
      Name of this command

    • setName

      public boolean setName​(@NotNull String name)
      Sets the name of this command.

      May only be used before registering the command. Will return true if the new name is set, and false if the command has already been registered.

      Parameters:
      name - New command name
      Returns:
      returns true if the name change happened instantly or false if the command was already registered

    • getPermission

      @Nullable public String getPermission()
      Gets the permission required by users to be able to perform this command
      Returns:
      Permission name, or null if none

    • setPermission

      public void setPermission​(@Nullable String permission)
      Sets the permission required by users to be able to perform this command
      Parameters:
      permission - Permission name or null

    • testPermission

      public boolean testPermission​(@NotNull CommandSender target)
      Tests the given CommandSender to see if they can perform this command.

      If they do not have permission, they will be informed that they cannot do this.

      Parameters:
      target - User to test
      Returns:
      true if they can use it, otherwise false

    • testPermissionSilent

      public boolean testPermissionSilent​(@NotNull CommandSender target)
      Tests the given CommandSender to see if they can perform this command.

      No error is sent to the sender.

      Parameters:
      target - User to test
      Returns:
      true if they can use it, otherwise false

    • getLabel

      @NotNull public String getLabel()
      Returns the label for this command
      Returns:
      Label of this command

    • setLabel

      public boolean setLabel​(@NotNull String name)
      Sets the label of this command.

      May only be used before registering the command. Will return true if the new name is set, and false if the command has already been registered.

      Parameters:
      name - The command's name
      Returns:
      returns true if the name change happened instantly or false if the command was already registered

    • register

      public boolean register​(@NotNull CommandMap commandMap)
      Registers this command to a CommandMap. Once called it only allows changes the registered CommandMap
      Parameters:
      commandMap - the CommandMap to register this command to
      Returns:
      true if the registration was successful (the current registered CommandMap was the passed CommandMap or null) false otherwise

    • unregister

      public boolean unregister​(@NotNull CommandMap commandMap)
      Unregisters this command from the passed CommandMap applying any outstanding changes
      Parameters:
      commandMap - the CommandMap to unregister
      Returns:
      true if the unregistration was successful (the current registered CommandMap was the passed CommandMap or null) false otherwise

    • isRegistered

      public boolean isRegistered()
      Returns the current registered state of this command
      Returns:
      true if this command is currently registered false otherwise

    • getAliases

      @NotNull public List<String> getAliases()
      Returns a list of active aliases of this command
      Returns:
      List of aliases

    • getPermissionMessage

      @Nullable public String getPermissionMessage()
      Returns a message to be displayed on a failed permission check for this command
      Returns:
      Permission check failed message

    • getDescription

      @NotNull public String getDescription()
      Gets a brief description of this command
      Returns:
      Description of this command

    • getUsage

      @NotNull public String getUsage()
      Gets an example usage of this command
      Returns:
      One or more example usages

    • setAliases

      @NotNull public Command setAliases​(@NotNull List<String> aliases)
      Sets the list of aliases to request on registration for this command. This is not effective outside of defining aliases in the PluginDescriptionFile.getCommands() (under the `aliases' node) is equivalent to this method.
      Parameters:
      aliases - aliases to register to this command
      Returns:
      this command object, for chaining

    • setDescription

      @NotNull public Command setDescription​(@NotNull String description)
      Sets a brief description of this command. Defining a description in the PluginDescriptionFile.getCommands() (under the `description' node) is equivalent to this method.
      Parameters:
      description - new command description
      Returns:
      this command object, for chaining

    • setPermissionMessage

      @NotNull public Command setPermissionMessage​(@Nullable String permissionMessage)
      Sets the message sent when a permission check fails
      Parameters:
      permissionMessage - new permission message, null to indicate default message, or an empty string to indicate no message
      Returns:
      this command object, for chaining

    • setUsage

      @NotNull public Command setUsage​(@NotNull String usage)
      Sets the example usage of this command
      Parameters:
      usage - new example usage
      Returns:
      this command object, for chaining

    • broadcastCommandMessage

      public static void broadcastCommandMessage​(@NotNull CommandSender source, @NotNull String message)

    • broadcastCommandMessage

      public static void broadcastCommandMessage​(@NotNull CommandSender source, @NotNull String message, boolean sendToSource)

    • toString

      public String toString()
      Overrides:
      toString in class Object