org.apache.activeio.packet

Class FilterPacket

java.lang.Object

org.apache.activeio.packet.FilterPacket

All Implemented Interfaces:

Packet

Direct Known Subclasses:

PacketPool.PooledPacket

public abstract class FilterPacket
extends Object
implements Packet

Provides a Packet implementation that filters operations to another packet. Used to make it easier to augment the #narrow(Class)method.

Version:

$Revision$

Field Summary

Fields

Modifier and Type	Field and Description
protected Packet	next

Constructor Summary

Constructors

Constructor and Description
FilterPacket(Packet next)

Method Summary

Modifier and Type	Method and Description
ByteSequence	asByteSequence()
int	capacity()
void	clear()
void	dispose()
Packet	duplicate()
Object	duplicate(ClassLoader cl)
abstract Packet	filter(Packet packet)
void	flip()
Object	getAdapter(Class target)
boolean	hasRemaining()
int	limit()
void	limit(int limit)
int	position()
void	position(int position)
int	read()
int	read(byte[] data, int offset, int length)
int	read(Packet dest)
int	remaining()
void	rewind()
Packet	slice()
byte[]	sliceAsBytes()
int	write(byte[] data, int offset, int length)
boolean	write(int data)
void	writeTo(DataOutput out)
void	writeTo(OutputStream out) Writes the remaing bytes in the packet to the output stream.

Methods inherited from class java.lang.Object

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

Field Detail

next

protected final Packet next

Constructor Detail

FilterPacket

public FilterPacket(Packet next)

Method Detail

asByteSequence

public ByteSequence asByteSequence()

Specified by:

asByteSequence in interface Packet

capacity

public int capacity()

Specified by:

capacity in interface Packet

clear

public void clear()

Specified by:

clear in interface Packet

flip

public void flip()

Specified by:

flip in interface Packet

hasRemaining

public boolean hasRemaining()

Specified by:

hasRemaining in interface Packet

limit

public int limit()

Specified by:

limit in interface Packet

limit

public void limit(int limit)

Specified by:

limit in interface Packet

getAdapter

public Object getAdapter(Class target)

Specified by:

getAdapter in interface Packet

position

public int position()

Specified by:

position in interface Packet

position

public void position(int position)

Specified by:

position in interface Packet

read

public int read()

Specified by:

read in interface Packet

read

public int read(byte[] data,
                int offset,
                int length)

Specified by:

read in interface Packet

read

public int read(Packet dest)

Specified by:

read in interface Packet

remaining

public int remaining()

Specified by:

remaining in interface Packet

rewind

public void rewind()

Specified by:

rewind in interface Packet

sliceAsBytes

public byte[] sliceAsBytes()

Specified by:

sliceAsBytes in interface Packet

write

public int write(byte[] data,
                 int offset,
                 int length)

Specified by:

write in interface Packet

write

public boolean write(int data)

Specified by:

write in interface Packet

writeTo

public void writeTo(OutputStream out)
             throws IOException

Description copied from interface: Packet

Writes the remaing bytes in the packet to the output stream.

Specified by:

writeTo in interface Packet

Throws:

IOException

writeTo

public void writeTo(DataOutput out)
             throws IOException

Specified by:

writeTo in interface Packet

Throws:

IOException

duplicate

public Object duplicate(ClassLoader cl)
                 throws IOException

Specified by:

duplicate in interface Packet

Throws:

IOException

duplicate

public Packet duplicate()

Specified by:

duplicate in interface Packet

slice

public Packet slice()

Specified by:

slice in interface Packet

dispose

public void dispose()

Specified by:

dispose in interface Packet

filter

public abstract Packet filter(Packet packet)