edu.virginia.cs.mng.hypercast
Class Extension

java.lang.Object
  |
  +--edu.virginia.cs.mng.hypercast.Extension

class Extension

extends java.lang.Object

This class defines the OL_Message extension header. It contains all the functions needed to maintain the Extension header.

Field Summary

private byte	Header Extension header (8 bits)
private byte[]	Payload payload bytes array
private int	PayloadLength the payload length (2 bytes)

Constructor Summary

(package private)	Extension() Constructs an empty Extension header
(package private)	Extension(byte header, byte[] payload, int payloadlength) Constructs an Extension header object with all the parameters
(package private)	Extension(Extension e) Construcs an Extension header from an existing one

Method Summary

(package private) int	getADUPayloadLength() Returns the payload length
(package private) byte	getHeader() Returns the extension header
(package private) byte[]	getPayload() Returns the payload
(package private) void	setADUPayloadLength(int length) Sets the payload length
(package private) void	setHeader(byte head) Sets the extension hearder
(package private) void	setPayload(byte[] payload) Sets the payload

Methods inherited from class java.lang.Object

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

Field Detail

Header

private byte Header

Extension header (8 bits)

PayloadLength

private int PayloadLength

the payload length (2 bytes)

Payload

private byte[] Payload

payload bytes array

Constructor Detail

Extension

Extension(byte header,
          byte[] payload,
          int payloadlength)

Constructs an Extension header object with all the parameters

Extension

Extension(Extension e)

Construcs an Extension header from an existing one

Extension

Extension()

Constructs an empty Extension header

Method Detail

getHeader

byte getHeader()

Returns the extension header

getADUPayloadLength

int getADUPayloadLength()

Returns the payload length

getPayload

byte[] getPayload()

Returns the payload

setHeader

void setHeader(byte head)

Sets the extension hearder

setADUPayloadLength

void setADUPayloadLength(int length)

Sets the payload length

setPayload

void setPayload(byte[] payload)

Sets the payload