org.bukkit.command.defaults

Class HelpCommand

java.lang.Object

org.bukkit.command.Command

org.bukkit.command.defaults.BukkitCommand

org.bukkit.command.defaults.HelpCommand

public class HelpCommand
extends BukkitCommand

Field Summary

Fields inherited from class org.bukkit.command.Command

description, timings, usageMessage

Constructor Summary

Constructors

Constructor and Description
HelpCommand()

Method Summary

Modifier and Type	Method and Description
protected static int	damerauLevenshteinDistance(@Nullable String s1, @Nullable String s2) Computes the Dameraur-Levenshtein Distance between two strings.
boolean	execute(@NotNull CommandSender sender, @NotNull String currentAlias, @NotNull String[] args) Executes the command, returning its success
protected @Nullable HelpTopic	findPossibleMatches(@NotNull String searchString)
@NotNull List<String>	tabComplete(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) Executed on tab completion for this command, returning a list of options the player can tab through.

Methods inherited from class org.bukkit.command.Command

broadcastCommandMessage, broadcastCommandMessage, getAliases, getDescription, getLabel, getName, getPermission, getPermissionMessage, getTimingName, getUsage, isRegistered, register, setAliases, setDescription, setLabel, setName, setPermission, setPermissionMessage, setUsage, tabComplete, testPermission, testPermissionSilent, toString, unregister

Methods inherited from class java.lang.Object

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

Constructor Detail

HelpCommand

public HelpCommand()

Method Detail

execute

public boolean execute(@NotNull
                       @NotNull CommandSender sender,
                       @NotNull
                       @NotNull String currentAlias,
                       @NotNull
                       @NotNull String[] args)

Description copied from class: Command

Executes the command, returning its success

Specified by:

execute in class Command

Parameters:

sender - Source object which is executing this command

currentAlias - 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 @NotNull List<String> tabComplete(@NotNull
                                                  @NotNull CommandSender sender,
                                                  @NotNull
                                                  @NotNull String alias,
                                                  @NotNull
                                                  @NotNull String[] args)

Description copied from class: Command

Executed on tab completion for this command, returning a list of options the player can tab through.

Overrides:

tabComplete in class Command

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.

findPossibleMatches

@Nullable
protected @Nullable HelpTopic findPossibleMatches(@NotNull
                                                            @NotNull String searchString)

damerauLevenshteinDistance

protected static int damerauLevenshteinDistance(@Nullable
                                                @Nullable String s1,
                                                @Nullable
                                                @Nullable String s2)

Computes the Dameraur-Levenshtein Distance between two strings. Adapted from the algorithm at Wikipedia: Damerau–Levenshtein distance

Parameters:

s1 - The first string being compared.

s2 - The second string being compared.

Returns:

The number of substitutions, deletions, insertions, and transpositions required to get from s1 to s2.