org.crsh.text
Class RenderWriter

java.lang.Object
  java.io.Writer
      org.crsh.text.RenderWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, ScreenContext

public class RenderWriter
extends Writer
implements ScreenContext

Field Summary

private Closeable	closeable .
private boolean	closed .
private boolean	empty .
private ScreenContext	out .

Fields inherited from class java.io.Writer

lock

Constructor Summary

RenderWriter(ScreenContext out)

RenderWriter(ScreenContext out, Closeable closeable)

Method Summary

void	close()
void	flush()
Class<Chunk>	getConsumedType()
int	getHeight() Returns the screen height in chars.
int	getWidth() Returns the screen width in chars.
boolean	isEmpty()
void	provide(Chunk element)
void	write(char[] cbuf, int off, int len)
void	write(Chunk chunk) Write a chunk to the screen.

Methods inherited from class java.io.Writer

append, append, append, write, write, write, write

Methods inherited from class java.lang.Object

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

Field Detail

out

private final ScreenContext out

.

closeable

private final Closeable closeable

.

closed

private boolean closed

.

empty

private boolean empty

.

Constructor Detail

RenderWriter

public RenderWriter(ScreenContext out)
             throws NullPointerException

Throws:

NullPointerException

RenderWriter

public RenderWriter(ScreenContext out,
                    Closeable closeable)
             throws NullPointerException

Throws:

NullPointerException

Method Detail

isEmpty

public boolean isEmpty()

getWidth

public int getWidth()

Description copied from interface: ScreenContext

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

Specified by:

getWidth in interface ScreenContext

Returns:

the term width

getHeight

public int getHeight()

Description copied from interface: ScreenContext

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

Specified by:

getHeight in interface ScreenContext

Returns:

the term height

getConsumedType

public Class<Chunk> getConsumedType()

write

public void write(Chunk chunk)
           throws IOException

Description copied from interface: ScreenContext

Write a chunk to the screen.

Specified by:

write in interface ScreenContext

Parameters:

chunk - the chunk

Throws:

IOException - any io exception

provide

public void provide(Chunk element)
             throws IOException

Throws:

IOException

write

public void write(char[] cbuf,
                  int off,
                  int len)
           throws IOException

Specified by:

write in class Writer

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException