org.crsh.shell

Interface ScreenContext

All Superinterfaces:

java.io.Flushable

All Known Subinterfaces:

CommandContext<P>, InteractionContext, InvocationContext<P>, ShellProcessContext, Term

All Known Implementing Classes:

AbstractPipe, ChunkAdapter, ConsoleTerm, ConvertingPipe, InvocationContextImpl, RenderAppendable, RenderWriter, ToChunkPipe

public interface ScreenContext
extends java.io.Flushable

The screen context extends the consumer and add information about the screen.

Method Summary

Methods

Modifier and Type	Method and Description
int	getHeight() Returns the screen height in chars.
int	getWidth() Returns the screen width in chars.
void	write(Chunk chunk) Write a chunk to the screen.

Methods inherited from interface java.io.Flushable

flush

Method Detail

getWidth

int getWidth()

Returns the screen width in chars. When the value is not positive it means the value could not be determined.

Returns:

the term width

getHeight

int getHeight()

Returns the screen height in chars. When the value is not positive it means the value could not be determined.

Returns:

the term height

write

void write(Chunk chunk)
           throws java.io.IOException

Write a chunk to the screen.

Parameters:

chunk - the chunk

Throws:

java.io.IOException - any io exception