org.crsh.shell.concurrent
Class AsyncShell.Process

java.lang.Object
  org.crsh.shell.concurrent.AsyncShell.Process

All Implemented Interfaces:

Runnable, ShellProcess, ShellProcessContext

Enclosing class:

AsyncShell

private class AsyncShell.Process
extends Object
implements ShellProcessContext, Runnable, ShellProcess

Field Summary

private ShellProcess	callee .
private ShellProcessContext	caller .
private String	request .

Constructor Summary

private

AsyncShell.Process(String request)

Method Summary

void	cancel() Attempt to cancel the shell process.
void	end(ShellResponse response) This method is invoked when the process ends.
void	execute(ShellProcessContext processContext) Begin the process.
int	getWidth() Returns the term width in chars.
String	readLine(String msg, boolean echo) A callback made by the process when it needs to read a line of text on the term.
void	run()

Methods inherited from class java.lang.Object

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

Field Detail

request

private final String request

.

caller

private ShellProcessContext caller

.

callee

private ShellProcess callee

.

Constructor Detail

AsyncShell.Process

private AsyncShell.Process(String request)

Method Detail

getWidth

public int getWidth()

Description copied from interface: ShellProcessContext

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 ShellProcessContext

Returns:

the term width

readLine

public String readLine(String msg,
                       boolean echo)

Description copied from interface: ShellProcessContext

A callback made by the process when it needs to read a line of text on the term.

Specified by:

readLine in interface ShellProcessContext

Parameters:

msg - the message to display prior reading the term

echo - whether the input line should be echoed or not

Returns:

the line read or null if no line was possible to be read

end

public void end(ShellResponse response)

Description copied from interface: ShellProcessContext

This method is invoked when the process ends.

Specified by:

end in interface ShellProcessContext

Parameters:

response - the shell response

execute

public void execute(ShellProcessContext processContext)

Description copied from interface: ShellProcess

Begin the process.

Specified by:

execute in interface ShellProcess

Parameters:

processContext - the process context

cancel

public void cancel()

Description copied from interface: ShellProcess

Attempt to cancel the shell process.

Specified by:

cancel in interface ShellProcess

run

public void run()

Specified by:

run in interface Runnable