Package org.apache.hadoop.hbase.hbtop.terminal.impl

Class KeyPressGenerator

java.lang.Object

org.apache.hadoop.hbase.hbtop.terminal.impl.KeyPressGenerator

@Private
public class KeyPressGenerator
extends Object

This generates KeyPress objects from the given input stream and offers them to the given queue.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static enum	KeyPressGenerator.ParseState

Field Summary

Fields

Modifier and Type	Field	Description
private final ExecutorService	executorService
private final Reader	input
private final BlockingQueue<Character>	inputCharacterQueue
private final InputStream	inputStream
private final Queue<KeyPress>	keyPressQueue
private static final org.slf4j.Logger	LOGGER
private int	param1
private int	param2
private KeyPressGenerator.ParseState	parseState
private final AtomicBoolean	stopThreads

Constructor Summary

Constructors

Constructor	Description
KeyPressGenerator(InputStream inputStream, Queue<KeyPress> keyPressQueue)

Method Summary

Modifier and Type	Method	Description
private void	ctrlAltAndCharacter(char ch)
private void	ctrlAndCharacter(char ch)
private void	doneEscapeSequenceCharacter(char last)
private void	escapeSequenceCharacter(char ch)
private void	generatorThread()
private void	initState()
private boolean	isAlt(int param)
private boolean	isCtrl(int param)
private boolean	isPrintableChar(char ch)
private boolean	isShift(int param)
private void	offer(KeyPress keyPress)
private void	readerThread()
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

keyPressQueue

private final Queue<KeyPress> keyPressQueue

inputCharacterQueue

private final BlockingQueue<Character> inputCharacterQueue

input

private final Reader input

inputStream

private final InputStream inputStream

stopThreads

private final AtomicBoolean stopThreads

executorService

private final ExecutorService executorService

parseState

private KeyPressGenerator.ParseState parseState

param1

private int param1

param2

private int param2

Constructor Details

KeyPressGenerator

public KeyPressGenerator(InputStream inputStream,
 Queue<KeyPress> keyPressQueue)

Method Details

start

public void start()

initState

private void initState()

readerThread

private void readerThread()

generatorThread

private void generatorThread()

ctrlAndCharacter

private void ctrlAndCharacter(char ch)

isPrintableChar

private boolean isPrintableChar(char ch)

ctrlAltAndCharacter

private void ctrlAltAndCharacter(char ch)

escapeSequenceCharacter

private void escapeSequenceCharacter(char ch)

doneEscapeSequenceCharacter

private void doneEscapeSequenceCharacter(char last)

isShift

private boolean isShift(int param)

isAlt

private boolean isAlt(int param)

isCtrl

private boolean isCtrl(int param)

offer

private void offer(KeyPress keyPress)

stop

public void stop()