org.jboss.aesh.terminal

Class POSIXTerminal

java.lang.Object

org.jboss.aesh.terminal.AbstractTerminal

org.jboss.aesh.terminal.POSIXTerminal

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, Shell, Terminal

public class POSIXTerminal
extends AbstractTerminal

Terminal that should work on most POSIX systems

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	echoEnabled
private ConsoleInputSession	input
private static java.util.logging.Logger	LOGGER
private boolean	restored
private TerminalSize	size
private java.io.PrintStream	stdErr
private java.io.PrintStream	stdOut
private static long	TIMEOUT_PERIOD
private java.lang.String	ttyConfig
private java.lang.String	ttyProps
private long	ttyPropsLastFetched

Fields inherited from class org.jboss.aesh.terminal.AbstractTerminal

settings

Constructor Summary

Constructors

Constructor and Description
POSIXTerminal()

Method Summary

Modifier and Type	Method and Description
void	changeOutputStream(java.io.PrintStream output) During runtime, change the output stream
void	close()
java.io.PrintStream	err() Returns the PrintStream associated with the std err
private static java.lang.String	exec(java.lang.String cmd) Run a command and return the output
private static java.lang.String	exec(java.lang.String[] cmd) Run a command and return the output
private int	getHeight()
TerminalSize	getSize()
private int	getTerminalProperty(java.lang.String prop)
private int	getWidth()
boolean	hasInput() Check if the terminal has input waiting to be read.
void	init(Settings settings) Initialize the Terminal with which input/output stream it should use
boolean	isEchoEnabled()
java.io.PrintStream	out() Returns the PrintStream associated with the std out
private boolean	propertiesTimedOut()
int[]	read() Read from the input stream (char by char)
void	reset() Set it back to normal when we exit
protected static java.lang.String	stty(java.lang.String args) Run stty with arguments on the active terminal
void	writeToInputStream(java.lang.String data)

Methods inherited from class org.jboss.aesh.terminal.AbstractTerminal

clear, enableAlternateBuffer, enableMainBuffer, getCursor, getShell, in, isMainBuffer, moveCursor, setCursor

Methods inherited from class java.lang.Object

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

Field Detail

size

private TerminalSize size

echoEnabled

private boolean echoEnabled

ttyConfig

private java.lang.String ttyConfig

ttyProps

private java.lang.String ttyProps

ttyPropsLastFetched

private long ttyPropsLastFetched

restored

private boolean restored

input

private ConsoleInputSession input

stdOut

private java.io.PrintStream stdOut

stdErr

private java.io.PrintStream stdErr

TIMEOUT_PERIOD

private static final long TIMEOUT_PERIOD

See Also:

Constant Field Values

LOGGER

private static final java.util.logging.Logger LOGGER

Constructor Detail

POSIXTerminal

public POSIXTerminal()

Method Detail

init

public void init(Settings settings)

Description copied from interface: Terminal

Initialize the Terminal with which input/output stream it should use

read

public int[] read()
           throws java.io.IOException

Description copied from interface: Terminal

Read from the input stream (char by char)

Returns:

whats read

Throws:

java.io.IOException

See Also:

Terminal

hasInput

public boolean hasInput()

Description copied from interface: Terminal

Check if the terminal has input waiting to be read.

Returns:

getSize

public TerminalSize getSize()

Returns:

terminal size

getHeight

private int getHeight()

getWidth

private int getWidth()

isEchoEnabled

public boolean isEchoEnabled()

See Also:

Terminal

reset

public void reset()
           throws java.io.IOException

Description copied from interface: Terminal

Set it back to normal when we exit

Throws:

java.io.IOException - stream

See Also:

Terminal

writeToInputStream

public void writeToInputStream(java.lang.String data)

changeOutputStream

public void changeOutputStream(java.io.PrintStream output)

Description copied from interface: Terminal

During runtime, change the output stream

Parameters:

output - stream

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

propertiesTimedOut

private boolean propertiesTimedOut()

getTerminalProperty

private int getTerminalProperty(java.lang.String prop)
                         throws java.io.IOException,
                                java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

stty

protected static java.lang.String stty(java.lang.String args)
                                throws java.io.IOException,
                                       java.lang.InterruptedException

Run stty with arguments on the active terminal

Parameters:

args - arguments

Returns:

output

Throws:

java.io.IOException - stream

java.lang.InterruptedException - stream

exec

private static java.lang.String exec(java.lang.String cmd)
                              throws java.io.IOException,
                                     java.lang.InterruptedException

Run a command and return the output

Parameters:

cmd - what to execute

Returns:

output

Throws:

java.io.IOException - stream

java.lang.InterruptedException - stream

exec

private static java.lang.String exec(java.lang.String[] cmd)
                              throws java.io.IOException,
                                     java.lang.InterruptedException

Run a command and return the output

Parameters:

cmd - the command

Returns:

output

Throws:

java.io.IOException - stream

java.lang.InterruptedException - stream

err

public java.io.PrintStream err()

Description copied from interface: Shell

Returns the PrintStream associated with the std err

out

public java.io.PrintStream out()

Description copied from interface: Shell

Returns the PrintStream associated with the std out