Package marauroa.common.net

Class Decoder

java.lang.Object

marauroa.common.net.Decoder

public class Decoder
extends Object

This class decodes a stream of bytes and builds a Marauroa message with it. Decoder follows singleton pattern.

Author:

miguel, hendrik

Method Summary

Modifier and Type	Method	Description
void	clear(SocketChannel channel)	Removes any pending data from a connection
List<Message>	decode(Object channel, byte[] data)	Decodes a message from a stream of bytes received from channel
static Decoder	get()	Returns an unique instance of decoder

Methods inherited from class java.lang.Object

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

Method Details

get

public static Decoder get()

Returns an unique instance of decoder

Returns:

an unique instance of decoder

clear

public void clear(SocketChannel channel)

Removes any pending data from a connection

Parameters:

channel - the channel to clear data from.

decode

public List<Message> decode(Object channel,
 byte[] data)
                     throws IOException,
InvalidVersionException

Decodes a message from a stream of bytes received from channel

Parameters:

channel - the socket from where data was received

data - the data received

Returns:

a message or null if it was not possible

Throws:

IOException - if there is a problem building the message

InvalidVersionException - if the message version mismatch the expected version