VT100Attribs

java.lang.Object
- vona.terminal.VT100Attribs

```
public class VT100Attribs
extends java.lang.Object
```
Vona's utils: VT100 terminal attribute codes.

From ANSI/VT100 Terminal Control (local copy):
Set Display Attributes
```
Set Attribute Mode     <ESC>[{attr1};...;{attrn}m
```
Sets multiple display attribute settings. The following lists standard attributes:
```
 0      Reset all attributes
 1      Bright
 2      Dim
 4      Underscore      
 5      Blink
 7      Reverse
 8      Hidden
 
 Foreground Colours
 30     Black
 31     Red
 32     Green
 33     Yellow
 34     Blue
 35     Magenta
 36     Cyan
 37     White
 
 Background Colours
 40     Black
 41     Red
 42     Green
 43     Yellow
 44     Blue
 45     Magenta
 46     Cyan
 47     White
 
```
Also see VT100 escape codes (local copy).

Copyright (C) 2004 Marsette A. Vona, III

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Author:

Marsette (Marty) A. Vona, III

Field Summary

Fields
Modifier and Type	Field and Description
`static VT100Attribs`	`BLACK` The foreground black code.
`static VT100Attribs`	`BLUE` The foreground blue code.
`private static java.lang.String`	`cvsid` CVS id.
`static VT100Attribs`	`CYAN` The foreground cyan code.
`static char`	`ESC` The VT100 escape character, ASCII 27(dec), 033(oct), 1B(hex).
`static VT100Attribs`	`GREEN` The foreground green code.
`static VT100Attribs`	`MAGENTA` The foreground magenta code.
`static VT100Attribs`	`RED` The foreground red code.
`static VT100Attribs`	`RESET` The VT100 reset code.
`private java.lang.String`	`s` The escape sequence.
`static java.lang.String`	`TERMINAL_TYPE_PROPERTY` terminal type property, see `getTermType()`
`static VT100Attribs`	`WHITE` The foreground white code.
`static VT100Attribs`	`YELLOW` The foreground yellow code.

Constructor Summary

Constructors
Constructor and Description

VT100Attribs(int[] attrs)
Create a new VT100 attributes code.

Constructors
Constructor and Description
`VT100Attribs(int[] attrs)` Create a new VT100 attributes code.

Method Summary

Methods
Modifier and Type	Method and Description
`static void`	`dump(java.io.PrintStream s)` dump terminal type and whether we guess it's VT100 compatible
`static java.lang.String`	`getTermType()` Try to get the terminal type associated with the invocation environment of the JVM.
`static java.lang.String`	`getTermTypeSafely()` covers `getTermType()`, eats AccessControlException
`static boolean`	`guessVT100()` `guessVT100(String)` with `getTermType()`
`static boolean`	`guessVT100(java.lang.String term)` Try to guess wether the indicated terminal type accepts VT100 codes.
`static boolean`	`guessVT100Safely()` `guessVT100(String)` with `getTermTypeSafely()`
`static void`	`main(java.lang.String[] arg)` test driver
`java.lang.String`	`toString()` Return the VT100 escape string corresponding to the attribute code sequence that was passed to the constructor.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - cvsid
```
private static final java.lang.String cvsid
```
    CVS id.
    
    See Also:
    Constant Field Values
  - TERMINAL_TYPE_PROPERTY
```
public static final java.lang.String TERMINAL_TYPE_PROPERTY
```
    terminal type property, see getTermType()
    
    See Also:
    Constant Field Values
  - ESC
```
public static final char ESC
```
    The VT100 escape character, ASCII 27(dec), 033(oct), 1B(hex).
    
    See Also:
    Constant Field Values
  - RESET
```
public static final VT100Attribs RESET
```
    The VT100 reset code.
  - BLACK
```
public static final VT100Attribs BLACK
```
    The foreground black code.
  - RED
```
public static final VT100Attribs RED
```
    The foreground red code.
  - GREEN
```
public static final VT100Attribs GREEN
```
    The foreground green code.
  - YELLOW
```
public static final VT100Attribs YELLOW
```
    The foreground yellow code.
  - BLUE
```
public static final VT100Attribs BLUE
```
    The foreground blue code.
  - MAGENTA
```
public static final VT100Attribs MAGENTA
```
    The foreground magenta code.
  - CYAN
```
public static final VT100Attribs CYAN
```
    The foreground cyan code.
  - WHITE
```
public static final VT100Attribs WHITE
```
    The foreground white code.
  - s
```
private java.lang.String s
```
    The escape sequence.
- Constructor Detail
  - VT100Attribs
```
public VT100Attribs(int[] attrs)
```
    Create a new VT100 attributes code.
    
    The string version of the resulting object will be a VT100 escape string corresponding to the specified attribute code sequence.
    
    Parameters:
    attrs - a sequence of attribute codes
- Method Detail
  - toString
```
public java.lang.String toString()
```
    Return the VT100 escape string corresponding to the attribute code sequence that was passed to the constructor.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    the VT100 escape string corresponding to the attribute code sequence that was passed to the constructor
  - getTermType
```
public static java.lang.String getTermType()
```
    Try to get the terminal type associated with the invocation environment of the JVM.
    
    Returns:
    the terminal type string, as in the TERM environment variable, or null if there is no such variable
    
    Throws:
    
    AccessControlException - if there is a security manager that won't let us get system properties or environment variables
  - getTermTypeSafely
```
public static java.lang.String getTermTypeSafely()
```
    covers getTermType(), eats AccessControlException
  - guessVT100
```
public static boolean guessVT100(java.lang.String term)
```
    Try to guess wether the indicated terminal type accepts VT100 codes.
  - guessVT100
```
public static boolean guessVT100()
```
    guessVT100(String) with getTermType()
  - guessVT100Safely
```
public static boolean guessVT100Safely()
```
    guessVT100(String) with getTermTypeSafely()
  - dump
```
public static void dump(java.io.PrintStream s)
```
    dump terminal type and whether we guess it's VT100 compatible
  - main
```
public static void main(java.lang.String[] arg)
```
    test driver

Class VT100Attribs

Set Display Attributes

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

cvsid

TERMINAL_TYPE_PROPERTY

ESC

RESET

BLACK

RED

GREEN

YELLOW

BLUE

MAGENTA

CYAN

WHITE

s

Constructor Detail

VT100Attribs

Method Detail

toString

getTermType

getTermTypeSafely

guessVT100

guessVT100

guessVT100Safely

dump

main