Package com.realtime.crossfire.jxclient.settings

Class CommandHistory

java.lang.Object

com.realtime.crossfire.jxclient.settings.CommandHistory

public class CommandHistory
extends Object

Manages a list of previously entered commands.

Constructor Summary

Constructors

Constructor	Description
CommandHistory(@NotNull String ident)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	addCommand(@NotNull String command)	Adds a new command.
@Nullable String	down()	Returns the next command.
@Nullable String	last(int index)	Returns the last executed command.
@Nullable String	up()	Returns the previous command.

Methods inherited from class java.lang.Object

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

Constructor Details

CommandHistory

public CommandHistory(@NotNull
 @NotNull String ident)

Creates a new instance.

Parameters:

ident - the identification string for backing up to file

Method Details

addCommand

public void addCommand(@NotNull
 @NotNull String command)

Adds a new command.

Parameters:

command - the command to add

up

@Nullable
public @Nullable String up()

Returns the previous command.

Returns:

the previous command or null if no previous command exists

down

@Nullable
public @Nullable String down()

Returns the next command.

Returns:

the next command or null if no previous command exists

last

@Nullable
public @Nullable String last(int index)

Returns the last executed command.

Parameters:

index - the index of the command; 0=last command, 1=second to last, etc.

Returns:

the last executed command or null if the index is invalid