jadex.commons.transformation.binaryserializer

Class GrowableByteBuffer

java.lang.Object

jadex.commons.transformation.binaryserializer.GrowableByteBuffer

public class GrowableByteBuffer
extends java.lang.Object

A growable byte buffer similar to ByteArrayOutputStream but allowing access to all written parts of the array.

Field Summary

Fields

Modifier and Type	Field and Description
protected byte[]	buffer The buffer
protected static int	GROWTH_EXPONENT Buffer growth aggressiveness.
protected static int	INITIAL_SIZE Initial buffer size.
protected int	pos Current position
static byte[]	ZERO_BYTE Constant for a single zero byte.

Constructor Summary

Constructors

Constructor and Description
GrowableByteBuffer() Creates an empty buffer.

Method Summary

Modifier and Type	Method and Description
protected void	allocateSpace(int length) Allocates a minimum amount of free space in the buffer.
byte[]	getBufferAccess() Direct buffer access, handle with care.
java.nio.ByteBuffer	getByteBuffer(int length) Reserves a byte buffer.
int	getPosition() Returns the position in the buffer that is next written to.
protected void	reserveSpace(int length) Reserves a minimum amount of free space in the buffer and shifts the position past it.
byte[]	toByteArray()
void	write(byte b) Writes a byte, appending it to the buffer.
void	write(byte[] b) Writes a byte array, appending it to the buffer.
void	writeTo(int p, byte b) Writes a single byte to a position in the buffer.

Methods inherited from class java.lang.Object

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

Field Detail

INITIAL_SIZE

protected static final int INITIAL_SIZE

Initial buffer size.

See Also:

Constant Field Values

GROWTH_EXPONENT

protected static final int GROWTH_EXPONENT

Buffer growth aggressiveness.

See Also:

Constant Field Values

ZERO_BYTE

public static final byte[] ZERO_BYTE

Constant for a single zero byte.

buffer

protected byte[] buffer

The buffer

pos

protected int pos

Current position

Constructor Detail

GrowableByteBuffer

public GrowableByteBuffer()

Creates an empty buffer.

Method Detail

write

public void write(byte b)

Writes a byte, appending it to the buffer.

Parameters:

b - The byte.

write

public void write(byte[] b)

Writes a byte array, appending it to the buffer.

Parameters:

b - The byte array.

getByteBuffer

public java.nio.ByteBuffer getByteBuffer(int length)

Reserves a byte buffer.

writeTo

public void writeTo(int p,
                    byte b)

Writes a single byte to a position in the buffer.

Parameters:

p - The position.

b - The byte.

getPosition

public int getPosition()

Returns the position in the buffer that is next written to.

Returns:

The position.

getBufferAccess

public byte[] getBufferAccess()

Direct buffer access, handle with care.

Returns:

The internal buffer.

reserveSpace

protected void reserveSpace(int length)

Reserves a minimum amount of free space in the buffer and shifts the position past it.

toByteArray

public byte[] toByteArray()

allocateSpace

protected void allocateSpace(int length)

Allocates a minimum amount of free space in the buffer.