org.crsh.console.jline
Class JLineProcessor

java.lang.Object
  org.crsh.console.jline.JLineProcessor

All Implemented Interfaces:

Closeable, Runnable, ConsoleDriver

public class JLineProcessor
extends Object
implements Runnable, ConsoleDriver

Field Summary

private Console	console .
(package private) CountDownLatch	done
(package private) String	lineSeparator
(package private) jline.console.ConsoleReader	reader
(package private) jline.Terminal	terminal
(package private) boolean	useAlternate Whether or not we switched on the alternate screen.
(package private) PrintStream	writer

Constructor Summary

JLineProcessor(Shell shell, jline.console.ConsoleReader reader, PrintStream out)

JLineProcessor(Shell shell, jline.console.ConsoleReader reader, PrintStream out, String lineSeparator)

Method Summary

void	close()
void	closed()
void	cls() Clear screen.
void	flush() Flush output.
int	getHeight() Returns the term height in chars.
String	getProperty(String name) Retrieves the value of a property specified by this TermIO
int	getWidth() Returns the term width in chars.
void	interrupt()
boolean	moveLeft() Move the cursor left.
boolean	moveRight(char c) Move the cursor right.
boolean	releaseAlternateBuffer() Release control of the alternate buffer.
void	run()
boolean	takeAlternateBuffer() Take control of the alternate buffer.
void	write(CharSequence s) Write a string.
void	write(int c) Write a char.
void	write(Style d) Write a style.
void	writeCRLF() Write a CRLF.
void	writeDel() Delete the char under the cursor.

Methods inherited from class java.lang.Object

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

Field Detail

console

private final Console console

.

useAlternate

boolean useAlternate

Whether or not we switched on the alternate screen.

done

final CountDownLatch done

terminal

final jline.Terminal terminal

writer

final PrintStream writer

reader

final jline.console.ConsoleReader reader

lineSeparator

final String lineSeparator

Constructor Detail

JLineProcessor

public JLineProcessor(Shell shell,
                      jline.console.ConsoleReader reader,
                      PrintStream out)

JLineProcessor

public JLineProcessor(Shell shell,
                      jline.console.ConsoleReader reader,
                      PrintStream out,
                      String lineSeparator)

Method Detail

interrupt

public void interrupt()

closed

public void closed()
            throws InterruptedException

Throws:

InterruptedException

run

public void run()

Specified by:

run in interface Runnable

getWidth

public int getWidth()

Description copied from interface: ConsoleDriver

Returns the term width in chars. When the value is not positive it means the value could not be determined.

Specified by:

getWidth in interface ConsoleDriver

Returns:

the term width

getHeight

public int getHeight()

Description copied from interface: ConsoleDriver

Returns the term height in chars. When the value is not positive it means the value could not be determined.

Specified by:

getHeight in interface ConsoleDriver

Returns:

the term height

getProperty

public String getProperty(String name)

Description copied from interface: ConsoleDriver

Retrieves the value of a property specified by this TermIO

Specified by:

getProperty in interface ConsoleDriver

Parameters:

name - the name of the property

Returns:

value of the property

takeAlternateBuffer

public boolean takeAlternateBuffer()
                            throws IOException

Description copied from interface: ConsoleDriver

Take control of the alternate buffer. When the alternate buffer is already used nothing happens. The buffer switch should occur when then ConsoleDriver.flush() method is invoked.

Specified by:

takeAlternateBuffer in interface ConsoleDriver

Returns:

true if the alternate buffer is shown

Throws:

IOException

releaseAlternateBuffer

public boolean releaseAlternateBuffer()
                               throws IOException

Description copied from interface: ConsoleDriver

Release control of the alternate buffer. When the normal buffer is already used nothing happens. The buffer switch should occur when then ConsoleDriver.flush() method is invoked.

Specified by:

releaseAlternateBuffer in interface ConsoleDriver

Returns:

true if the usual buffer is shown

Throws:

IOException

flush

public void flush()
           throws IOException

Description copied from interface: ConsoleDriver

Flush output.

Specified by:

flush in interface ConsoleDriver

Throws:

IOException - any io exception

write

public void write(CharSequence s)
           throws IOException

Description copied from interface: ConsoleDriver

Write a string.

Specified by:

write in interface ConsoleDriver

Parameters:

s - the string to write

Throws:

IOException - any io exception

write

public void write(int c)
           throws IOException

Description copied from interface: ConsoleDriver

Write a char.

Specified by:

write in interface ConsoleDriver

Parameters:

c - the char to write

Throws:

IOException - any io exception

write

public void write(Style d)
           throws IOException

Description copied from interface: ConsoleDriver

Write a style.

Specified by:

write in interface ConsoleDriver

Parameters:

d - the data to write

Throws:

IOException - any io exception

writeDel

public void writeDel()
              throws IOException

Description copied from interface: ConsoleDriver

Delete the char under the cursor.

Specified by:

writeDel in interface ConsoleDriver

Throws:

IOException - any io exception

writeCRLF

public void writeCRLF()
               throws IOException

Description copied from interface: ConsoleDriver

Write a CRLF.

Specified by:

writeCRLF in interface ConsoleDriver

Throws:

IOException - any io exception

cls

public void cls()
         throws IOException

Description copied from interface: ConsoleDriver

Clear screen.

Specified by:

cls in interface ConsoleDriver

Throws:

IOException - any io exception

moveRight

public boolean moveRight(char c)
                  throws IOException

Description copied from interface: ConsoleDriver

Move the cursor right.

Specified by:

moveRight in interface ConsoleDriver

Parameters:

c - the char skipped over

Returns:

true if the cursor moved.

Throws:

IOException - any io exception

moveLeft

public boolean moveLeft()
                 throws IOException

Description copied from interface: ConsoleDriver

Move the cursor left.

Specified by:

moveLeft in interface ConsoleDriver

Returns:

true if the cursor moved

Throws:

IOException - any io exception

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Throws:

IOException