org.stekikun.dolmen.common

Class Prompt

java.lang.Object

org.stekikun.dolmen.common.Prompt

public abstract class Prompt
extends Object

Static utility functions to interact with standard input and terminals

Author:

Stéphane Lescuyer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Prompt.Colors Enumerates basic 16 terminal colors along with their ANSI color code.
static class	Prompt.TermStream A wrapper around a PrintStream which may or may not support colored output via ANSI terminal control sequences.

Method Summary

Modifier and Type	Method and Description
static String	bg(Prompt.Colors c)
static String	blink()
static String	bold()
static String	dim()
static String	fg(Prompt.Colors c)
static @Nullable String	getInputLine(String prompt)
static String	reset()
static String	reverse()
static String	underlined()

Methods inherited from class java.lang.Object

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

Method Detail

getInputLine

public static @Nullable String getInputLine(String prompt)

Parameters:

prompt - prompt line displayed

Returns:

the next line of standard input (blocking for it) or null if there is no such line (typically standard input was closed)

reset

public static String reset()

Returns:

the ANSI control sequence to reset text attributes

bold

public static String bold()

Returns:

the ANSI control sequence to set text to bold/bright

dim

public static String dim()

Returns:

the ANSI control sequence to set text color to dim

underlined

public static String underlined()

Returns:

the ANSI control sequence to set text to underlined

blink

public static String blink()

Returns:

the ANSI control sequence to set text to blinking

reverse

public static String reverse()

Returns:

the ANSI control sequence to invert foreground and background colors

fg

public static String fg(Prompt.Colors c)

Parameters:

c -

Returns:

the ANSI control sequence to turn the text foreground color to c

bg

public static String bg(Prompt.Colors c)

Parameters:

c -

Returns:

the ANSI control sequence to turn the text background color to c