jcontrol.comm
Class DisplayConsole

java.lang.Object
  jcontrol.comm.DisplayConsole

All Implemented Interfaces:

ConsoleOutputStream, BasicOutputStream

public class DisplayConsole
extends Object
implements ConsoleOutputStream

Implements a ConsoleOutputStream on the JControl Display.

Author:

boehme

Available on JControl Devices:

lib

Field Summary

int	pos Contains the current pixel position in the current line

Fields inherited from interface jcontrol.comm.ConsoleOutputStream

STD_LF

Constructor Summary

DisplayConsole()
Constructs a new DisplayConsole using the default Display.

DisplayConsole(Display lcd)
Constructs a new DisplayConsole using a specified Display.

Method Summary

void	close() Closes the DisplayConsole
void	print(String buffer) Writes a String to the Display.
void	println() Moves the cursor to the beginning of the next line.
void	println(String buffer) Writes a String to the Display.
int	write(byte[] b, int start, int length) Writes a character sequence to the Display.
void	write(char c) Writes a single charater to the Display.

Methods inherited from class java.lang.Object

clone, equals, notifyAll, wait

Field Detail

pos

public int pos

Contains the current pixel position in the current line

Constructor Detail

DisplayConsole

public DisplayConsole()

Constructs a new DisplayConsole using the default Display.

DisplayConsole

public DisplayConsole(Display lcd)

Constructs a new DisplayConsole using a specified Display.

Parameters:

lcd - Display to use (full screen)

Method Detail

close

public void close()

Closes the DisplayConsole

Specified by:

close in interface BasicOutputStream

print

public void print(String buffer)

Writes a String to the Display. The cursor is moved to the end of the characters drawn.

Specified by:

print in interface ConsoleOutputStream

Parameters:

buffer - the String to write

See Also:

String

println

public void println()

Moves the cursor to the beginning of the next line. If needed, the display contents is scrolled up.

Specified by:

println in interface ConsoleOutputStream

println

public void println(String buffer)

Writes a String to the Display. The cursor is moved to the beginning of the next line. If needed, the display contents is scrolled up.

Specified by:

println in interface ConsoleOutputStream

Parameters:

buffer - the String to write

See Also:

String

write

public int write(byte[] b,
                 int start,
                 int length)

Writes a character sequence to the Display. (Not implemented)

Specified by:

write in interface BasicOutputStream

Parameters:

b - a byte array containing charaters to write (using 8859-1 encoding)

start - index in b

length - number of bytes

Returns:

the number of sent bytes

write

public void write(char c)
           throws IOException

Writes a single charater to the Display. The cursor is moved one character to the right.

Specified by:

write in interface BasicOutputStream

Parameters:

c - the character to write (8859-1 encoding)

Throws:

IOException - if an error occurs