Package de.mhus.lib.core.console

Class Console

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

java.io.PrintStream

de.mhus.lib.core.console.Console

All Implemented Interfaces:

Adaptable, IBase, Closeable, Flushable, Appendable, AutoCloseable

Direct Known Subclasses:

ANSIConsole, SimpleConsole, VirtualConsole

public abstract class Console
extends PrintStream
implements IBase, Adaptable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Console.COLOR

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_HEIGHT
static int	DEFAULT_WIDTH
protected LinkedList<String>	history

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
Console()
Console(PrintStream out)
Console(PrintStream out, boolean flush, String charset)

Method Summary

Modifier and Type	Method	Description
<T> T	adaptTo(Class<? extends T> clazz)
static char	askQuestion(String question, char[] answers, boolean toLower, boolean acceptEnter)
abstract void	cleanup()
void	cr()
static Console	create()	Factory to return the correct implementation of console.
ConsoleProgressBar	createProgressBar()
static Console	get()
abstract Console.COLOR	getBackgroundColor()
abstract int	getCursorX()
abstract int	getCursorY()
abstract Console.COLOR	getForegroundColor()
abstract int	getHeight()
abstract int	getWidth()
boolean	isAnsi()
abstract boolean	isBlink()
abstract boolean	isBold()
static boolean	isInitialized()
abstract boolean	isSupportBlink()
abstract boolean	isSupportBold()
abstract boolean	isSupportColor()
abstract boolean	isSupportCursor()
abstract boolean	isSupportSize()	Return true if the console knows about the current size of the terminal.
void	printLine()
void	printLine(char c)
abstract int	read()	Returns the next character from input stream of the console.
abstract ConsoleKey	readKey()
String	readLine()
abstract String	readLine(LinkedList<String> history)
String	readPassword()
static void	resetConsole()
void	resetTerminal()
static void	set(Console console)
abstract void	setBlink(boolean blink)
abstract void	setBold(boolean bold)
abstract void	setColor(Console.COLOR foreground, Console.COLOR background)
abstract void	setCursor(int x, int y)
void	setHeight(int h)
void	setWidth(int w)

Methods inherited from class java.io.PrintStream

append, append, append, checkError, clearError, close, flush, format, format, print, print, print, print, print, print, print, print, print, printf, printf, println, println, println, println, println, println, println, println, println, println, setError, write, write

Methods inherited from class java.io.FilterOutputStream

write

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_WIDTH

public static int DEFAULT_WIDTH

DEFAULT_HEIGHT

public static int DEFAULT_HEIGHT

history

protected LinkedList<String> history

Constructor Detail

Console

public Console()

Console

public Console(PrintStream out)

Console

public Console(PrintStream out,
               boolean flush,
               String charset)
        throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

Method Detail

create

public static Console create()

Factory to return the correct implementation of console.

Returns:

a new console object

readLine

public String readLine()

readLine

public abstract String readLine(LinkedList<String> history)

read

public abstract int read()

Returns the next character from input stream of the console. In some cases check for ALT key pressed and return character + 1000, see JLine ConsoleReader In case of error a value lesser 0 will be returned.

Returns:

pressed key

readKey

public abstract ConsoleKey readKey()

readPassword

public String readPassword()
                    throws IOException

Throws:

IOException

cr

public void cr()

isSupportSize

public abstract boolean isSupportSize()

Return true if the console knows about the current size of the terminal.

Returns:

True if support size

getWidth

public abstract int getWidth()

getHeight

public abstract int getHeight()

isSupportCursor

public abstract boolean isSupportCursor()

setCursor

public abstract void setCursor(int x,
                               int y)

getCursorX

public abstract int getCursorX()

getCursorY

public abstract int getCursorY()

createProgressBar

public ConsoleProgressBar createProgressBar()

isSupportColor

public abstract boolean isSupportColor()

setColor

public abstract void setColor(Console.COLOR foreground,
                              Console.COLOR background)

getForegroundColor

public abstract Console.COLOR getForegroundColor()

getBackgroundColor

public abstract Console.COLOR getBackgroundColor()

isSupportBlink

public abstract boolean isSupportBlink()

setBlink

public abstract void setBlink(boolean blink)

isBlink

public abstract boolean isBlink()

isSupportBold

public abstract boolean isSupportBold()

setBold

public abstract void setBold(boolean bold)

isBold

public abstract boolean isBold()

cleanup

public abstract void cleanup()

printLine

public void printLine()

adaptTo

public <T> T adaptTo(Class<? extends T> clazz)

Specified by:

adaptTo in interface Adaptable

printLine

public void printLine(char c)

resetTerminal

public void resetTerminal()

resetConsole

public static void resetConsole()

get

public static Console get()

set

public static void set(Console console)

isInitialized

public static boolean isInitialized()

isAnsi

public boolean isAnsi()

setWidth

public void setWidth(int w)

setHeight

public void setHeight(int h)

askQuestion

public static char askQuestion(String question,
                               char[] answers,
                               boolean toLower,
                               boolean acceptEnter)
                        throws IOException

Throws:

IOException