org.apache.directory.api.asn1.util

Class Asn1Buffer

java.lang.Object

org.apache.directory.api.asn1.util.Asn1Buffer

public class Asn1Buffer
extends Object

A buffer used to store an encoding PDU. It's auto-extended, and filled by the end.

Author:

Apache Directory Project

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	buffer A buffer to store the encoded PDU
private static int	DEFAULT_SIZE The buffer default size
private int	pos The current position in the buffer

Constructor Summary

Constructors

Constructor and Description
Asn1Buffer() Creates a new Asn1Buffer instance

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the position, emptying the buffer.
private void	extend(int size) Extend the buffer
ByteBuffer	getBytes()
int	getPos()
int	getSize()
void	put(byte b) Store a byte at the current position in the buffer
void	put(byte[] bytes) Store some bytes at the current position in the buffer
void	setPos(int pos) Set the current position in the buffer
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SIZE

private static final int DEFAULT_SIZE

The buffer default size

See Also:

Constant Field Values

pos

private int pos

The current position in the buffer

buffer

private byte[] buffer

A buffer to store the encoded PDU

Constructor Detail

Asn1Buffer

public Asn1Buffer()

Creates a new Asn1Buffer instance

Method Detail

getPos

public int getPos()

Returns:

The current position in the buffer

setPos

public void setPos(int pos)

Set the current position in the buffer

Parameters:

pos - The position to move the buffer to

put

public void put(byte b)

Store a byte at the current position in the buffer

Parameters:

b - The byte to store

put

public void put(byte[] bytes)

Store some bytes at the current position in the buffer

Parameters:

bytes - The bytes to store

extend

private void extend(int size)

Extend the buffer

Parameters:

size - The new buffer size

getBytes

public ByteBuffer getBytes()

Returns:

The stored encoded PDU.

getSize

public int getSize()

Returns:

The buffer size (ie the maximum number of bytes that can be added to this bffder before it gets extended).

clear

public void clear()

Clear the position, emptying the buffer. If it has grown, reallocate it to its initial size.

toString

public String toString()

Overrides:

toString in class Object