org.apache.mina.util.byteaccess

Class ByteArrayList

java.lang.Object

org.apache.mina.util.byteaccess.ByteArrayList

class ByteArrayList
extends java.lang.Object

A linked list that stores ByteArrays and maintains several useful invariants.

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and Description
private int	firstByte The first byte in the array list
private 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 and Description
protected	ByteArrayList() Creates a new instance of ByteArrayList.

Method Summary

Modifier and Type	Method and 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() Returns the first byte in the array list
ByteArrayList.Node	getFirst() Returns the first node in the byte array
ByteArrayList.Node	getLast() Returns the last ByteArrayList.Node in the list
boolean	isEmpty() Check to see if this is empty
int	lastByte() Returns the last byte in the array list
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 java.lang.Object

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

Field Detail

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 Detail

ByteArrayList

protected ByteArrayList()

Creates a new instance of ByteArrayList.

Method Detail

lastByte

public int lastByte()

Returns the last byte in the array list

Returns:

The last byte in the array list

firstByte

public int firstByte()

Returns the first byte in the array list

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

Returns:

getLast

public ByteArrayList.Node getLast()

Returns the last ByteArrayList.Node in the list

Returns:

The last 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