Class ByteArrayList

java.lang.Object

org.apache.mina.util.byteaccess.ByteArrayList

class ByteArrayList
extends Object

A linked list that stores ByteArrays and maintains several useful invariants. Note : this class is *not* thread safe.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	ByteArrayList.Node	A node within the linked list.

Field Summary

Fields

Modifier and Type	Field	Description
private int	firstByte	The first byte in the array list
private final ByteArrayList.Node	header	A ByteArrayList.Node which indicates the start and end of the list and does not hold a value.
private int	lastByte	The last byte in the array list

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ByteArrayList()	Creates a new instance of ByteArrayList.

Method Summary

Modifier and Type	Method	Description
void	addFirst(ByteArray ba)	Adds the specified ByteArray to the beginning of the list
void	addLast(ByteArray ba)	Add the specified ByteArray to the end of the list
protected void	addNode(ByteArrayList.Node nodeToInsert, ByteArrayList.Node insertBeforeNode)	Inserts a new node into the list.
int	firstByte()
ByteArrayList.Node	getFirst()
ByteArrayList.Node	getLast()
boolean	isEmpty()	Check to see if this is empty
int	lastByte()
ByteArrayList.Node	removeFirst()	Removes the first node from this list
ByteArrayList.Node	removeLast()	Removes the last node in this list
protected ByteArrayList.Node	removeNode(ByteArrayList.Node node)	Removes the specified node from the list.

Methods inherited from class Object

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

Field Details

header

private final ByteArrayList.Node header

A ByteArrayList.Node which indicates the start and end of the list and does not hold a value. The value of next is the first item in the list. The value of of previous is the last item in the list.

firstByte

private int firstByte

The first byte in the array list

lastByte

private int lastByte

The last byte in the array list

Constructor Details

ByteArrayList

protected ByteArrayList()

Creates a new instance of ByteArrayList.

Method Details

lastByte

public int lastByte()

Returns:

The last byte in the array list

firstByte

public int firstByte()

Returns:

The first byte in the array list

isEmpty

public boolean isEmpty()

Check to see if this is empty

Returns:

True if empty, otherwise false

getFirst

public ByteArrayList.Node getFirst()

Returns:

the first node in the byte array

getLast

public ByteArrayList.Node getLast()

Returns:

the last ByteArrayList.Node in the list

addFirst

public void addFirst(ByteArray ba)

Adds the specified ByteArray to the beginning of the list

Parameters:

ba - The ByteArray to be added to the list

addLast

public void addLast(ByteArray ba)

Add the specified ByteArray to the end of the list

Parameters:

ba - The ByteArray to be added to the list

removeFirst

public ByteArrayList.Node removeFirst()

Removes the first node from this list

Returns:

The node that was removed

removeLast

public ByteArrayList.Node removeLast()

Removes the last node in this list

Returns:

The node that was taken off of the list

addNode

protected void addNode(ByteArrayList.Node nodeToInsert,
 ByteArrayList.Node insertBeforeNode)

Inserts a new node into the list.

Parameters:

nodeToInsert - new node to insert

insertBeforeNode - node to insert before

removeNode

protected ByteArrayList.Node removeNode(ByteArrayList.Node node)

Removes the specified node from the list.

Parameters:

node - the node to remove