protocolP2P

Class SizeRequest

java.lang.Object

protocolP2P.Payload

protocolP2P.SizeRequest

public class SizeRequest
extends Payload

Representation of payload for load request.

Version:

1.0

Author:

Louis Royer, Flavien Haas, JS Auge

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	filename

Fields inherited from class protocolP2P.Payload

PAYLOAD_SIZE_POSITION, PAYLOAD_START_POSITION, requestResponseCode

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SizeRequest(byte[] packet) Constructor (typically used by server) with a byte[] parameter containing the Packet received.
	SizeRequest(java.lang.String filename) Constructor (typically used by the client) with a filename parameter.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getFilename() filename getter.
protected byte[]	toPacket() Returns a byte[] containing Packet with padding.

Methods inherited from class protocolP2P.Payload

getPayloadSize, getRequestResponseCode, setPayloadSize

Methods inherited from class java.lang.Object

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

Field Detail

filename

private java.lang.String filename

Constructor Detail

SizeRequest

public SizeRequest(java.lang.String filename)
            throws InternalError

Constructor (typically used by the client) with a filename parameter.

Parameters:

filename - name of the file to download. Must not be empty.

Throws:

InternalError

SizeRequest

protected SizeRequest(byte[] packet)
               throws TransmissionError,
                      SizeError,
                      ProtocolError,
                      InternalError

Constructor (typically used by server) with a byte[] parameter containing the Packet received.

Parameters:

packet - the full Packet received

Throws:

SizeError

InternalError

ProtocolError

TransmissionError

Method Detail

toPacket

protected byte[] toPacket()
                   throws InternalError

Returns a byte[] containing Packet with padding. This Packet is still incomplete and should not be send directly. ProtocolP2PPacket will use this method to generate the complete Packet.

Overrides:

toPacket in class Payload

Returns:

Packet with padding

Throws:

InternalError

getFilename

public java.lang.String getFilename()

filename getter.

Returns:

filename