Package org.eclipse.rdf4j.console

Class ConsoleIO

java.lang.Object

org.eclipse.rdf4j.console.ConsoleIO

public class ConsoleIO
extends Object

Author:

Dale Visser

Constructor Summary

Constructors

Constructor	Description
ConsoleIO(InputStream input, OutputStream out, ConsoleState info)	Constructor
ConsoleIO(ConsoleState info)	Constructor

Method Summary

Modifier and Type	Method	Description
boolean	askProceed(String msg, boolean defaultValue)	Ask if the user wants to continue
org.jline.reader.LineReader	getLineReader()	Get the JLine line reader
OutputStream	getOutputStream()	Get JLine terminal output stream
protected String	readCommand()	Read a command from input
String	readln(String... message)	Read message from input
String	readMultiLineInput()	Reads multiple lines from the input until a line that with a '.' on its own is read.
String	readMultiLineInput(String prompt)	Reads multiple lines from the input until a line that with a '.' on its own is read.
String	readPassword(String prompt)	Read password from input
void	setCautious()	Be cautious when executing commands, opposite of force
protected void	setEcho(boolean echo)	Whether to echo user input to output stream
void	setForce()	Force commands to proceed
void	setQuiet(boolean quiet)	Whether to suppress printing of prompts to output
boolean	wasErrorWritten()	Check if an error was written to the console
void	write(String string)	Write a string
void	writeError(String errMsg)	Write an error message
void	writeln()	Write a newline
void	writeln(String string)	Write a string, followed by a newline
void	writeParseError(String prefix, long lineNo, long colNo, String msg)	Write parser error
void	writeUnopenedError()	Write a "please open first" error message

Methods inherited from class java.lang.Object

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

Constructor Details

ConsoleIO

public ConsoleIO(InputStream input,
 OutputStream out,
 ConsoleState info)
          throws IOException

Constructor

Parameters:

input -

out -

info -

Throws:

IOException

ConsoleIO

public ConsoleIO(ConsoleState info)
          throws IOException

Constructor

Parameters:

info -

Throws:

IOException

Method Details

getLineReader

public org.jline.reader.LineReader getLineReader()

Get the JLine line reader

Returns:

line reader

getOutputStream

public OutputStream getOutputStream()

Get JLine terminal output stream

Returns:

output stream

readCommand

protected String readCommand()
                      throws IOException

Read a command from input

Returns:

one line of input, or null on error

Throws:

IOException

readMultiLineInput

public String readMultiLineInput()
                          throws IOException

Reads multiple lines from the input until a line that with a '.' on its own is read.

Returns:

input string

Throws:

IOException

readMultiLineInput

public String readMultiLineInput(String prompt)
                          throws IOException

Reads multiple lines from the input until a line that with a '.' on its own is read.

Parameters:

prompt -

Returns:

input string

Throws:

IOException

readln

public String readln(String... message)
              throws IOException

Read message from input

Parameters:

message - one or multiple messages

Returns:

input string

Throws:

IOException

readPassword

public String readPassword(String prompt)
                    throws IOException

Read password from input

Parameters:

prompt - prompt to display

Returns:

password string

Throws:

IOException

write

public void write(String string)

Write a string

Parameters:

string - string to write

writeln

public void writeln()

Write a newline

writeln

public void writeln(String string)

Write a string, followed by a newline

Parameters:

string - string to write

writeError

public void writeError(String errMsg)

Write an error message

Parameters:

errMsg - error message

writeUnopenedError

public void writeUnopenedError()

Write a "please open first" error message

writeParseError

public void writeParseError(String prefix,
 long lineNo,
 long colNo,
 String msg)

Write parser error

Parameters:

prefix -

lineNo - line number

colNo - column number

msg - message to write

askProceed

public boolean askProceed(String msg,
 boolean defaultValue)
                   throws IOException

Ask if the user wants to continue

Parameters:

msg - confirmation question

defaultValue - true when default is yes

Returns:

true when continue

Throws:

IOException

setEcho

protected void setEcho(boolean echo)

Whether to echo user input to output stream

Parameters:

echo - true to echo input

setQuiet

public void setQuiet(boolean quiet)

Whether to suppress printing of prompts to output

Parameters:

quiet - true to suppress printing

setForce

public void setForce()

Force commands to proceed

setCautious

public void setCautious()

Be cautious when executing commands, opposite of force

wasErrorWritten

public boolean wasErrorWritten()

Check if an error was written to the console

Returns:

true when error was written