org.eclipse.rdf4j.console.command

Class ConsoleCommand

java.lang.Object

org.eclipse.rdf4j.console.command.ConsoleCommand

All Implemented Interfaces:

Command, Help

Direct Known Subclasses:

Clear, Close, Connect, Convert, Create, Disconnect, Drop, Export, Federate, Load, Open, PrintHelp, PrintInfo, QueryEvaluator, SetParameters, Show, Verify

public abstract class ConsoleCommand
extends Object
implements Command, Help

Abstract command

Author:

Bart Hanssens

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor and Description
ConsoleCommand(ConsoleIO consoleIO) Constructor
ConsoleCommand(ConsoleIO consoleIO, ConsoleState state) Constructor
ConsoleCommand(ConsoleIO consoleIO, ConsoleState state, Map<String,ConsoleSetting> settings) Constructor

Method Summary

Modifier and Type	Method and Description
protected boolean	askProceed(String str, boolean defVal) Ask user to proceed
void	execute(String... parameters) Execute the given parameters.
ConsoleIO	getConsoleIO() Get console IO
Map<String,ConsoleSetting>	getConsoleSettings() Get console settings map
ConsoleState	getConsoleState() Get console state
String	getHelpLong() Get long description
String	getHelpShort() Get short description, small enough to fit on one console row
String[]	usesSettings() Return the names of the settings used.
protected void	write(String str) Write a string to the console
protected void	writeError(String str) Write a string + newline to the console and to the log as an error
protected void	writeError(String str, Exception e) Write a string + message of exception + newline to the console and to the log as an error
protected void	writeInfo(String str) Write a string + newline to the console and to the log at level INFO
protected void	writeln(String str) Write a string + newline to the console
protected void	writeUnopenedError() Write repository not opened error

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.rdf4j.console.Help

getName

Field Detail

LOGGER

protected final org.slf4j.Logger LOGGER

Constructor Detail

ConsoleCommand

public ConsoleCommand(ConsoleIO consoleIO)

Constructor

Parameters:

consoleIO -

ConsoleCommand

public ConsoleCommand(ConsoleIO consoleIO,
                      ConsoleState state)

Constructor

Parameters:

consoleIO -

state -

ConsoleCommand

public ConsoleCommand(ConsoleIO consoleIO,
                      ConsoleState state,
                      Map<String,ConsoleSetting> settings)

Constructor

Parameters:

consoleIO - console IO

state - console state

settings - console settings

Method Detail

getConsoleIO

public ConsoleIO getConsoleIO()

Get console IO

Returns:

console IO

getConsoleState

public ConsoleState getConsoleState()

Get console state

Returns:

console state

getConsoleSettings

public Map<String,ConsoleSetting> getConsoleSettings()

Get console settings map

Returns:

map of console settings

getHelpShort

public String getHelpShort()

Get short description, small enough to fit on one console row

Specified by:

getHelpShort in interface Help

Returns:

help string

getHelpLong

public String getHelpLong()

Get long description

Specified by:

getHelpLong in interface Help

Returns:

string, can be multiple lines

usesSettings

public String[] usesSettings()

Description copied from interface: Command

Return the names of the settings used.

Specified by:

usesSettings in interface Command

Returns:

string array of settings

execute

public void execute(String... parameters)
             throws IOException

Description copied from interface: Command

Execute the given parameters.

Specified by:

execute in interface Command

Parameters:

parameters - parameters typed by user

Throws:

IOException - if a problem occurs reading or writing

write

protected void write(String str)

Write a string to the console

Parameters:

str - text

writeln

protected void writeln(String str)

Write a string + newline to the console

Parameters:

str - text

writeInfo

protected void writeInfo(String str)

Write a string + newline to the console and to the log at level INFO

Parameters:

str - text

writeError

protected void writeError(String str)

Write a string + newline to the console and to the log as an error

Parameters:

str - text

writeError

protected void writeError(String str,
                          Exception e)

Write a string + message of exception + newline to the console and to the log as an error

Parameters:

str - text

e - exception

writeUnopenedError

protected void writeUnopenedError()

Write repository not opened error

askProceed

protected boolean askProceed(String str,
                             boolean defVal)

Ask user to proceed

Parameters:

str - question to ask

defVal - default value

Returns:

true