acg.blocks
Class PrincipalAO

java.lang.Object
  |
  +--acg.blocks.PrincipalAO

public class PrincipalAO

extends java.lang.Object

implements ACGObject

The PrincipalAO object represents principals in our protocol. Right now it is using strings.

Constructor Summary

PrincipalAO()
Constructs a new PrincipalAO object.

PrincipalAO(java.lang.String id)
Construts a PrincipalAO object with the given string.

Method Summary

boolean	equals(PrincipalAO pao)
java.lang.String	getPrincipal()
byte	getTypeID()
int	inputBytes(byte[] input, int start) Deserializes this PrincipalAO object from the given input.
static void	main(java.lang.String[] args)
byte[]	outputBytes() Serializes this PrincipalAO object.
boolean	selfTest()
void	setAny(boolean any) A do-nothing method.

Methods inherited from class java.lang.Object

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

Constructor Detail

PrincipalAO

public PrincipalAO()

Constructs a new PrincipalAO object.

PrincipalAO

public PrincipalAO(java.lang.String id)

Construts a PrincipalAO object with the given string.

Method Detail

getPrincipal

public java.lang.String getPrincipal()

Returns:

the string that represents this principal.

equals

public boolean equals(PrincipalAO pao)

Parameters:

pao - the PrincipalAO object to compare this with.

Returns:

true if this object is equal to pao

setAny

public void setAny(boolean any)

A do-nothing method. Here for compatibility with the interface.

Specified by:

setAny in interface ACGObject

Tags copied from interface: ACGObject

Parameters:

any - True if the ACGObject should just return its data byte array.

See Also:

EncryptedAO

getTypeID

public byte getTypeID()

Specified by:

getTypeID in interface ACGObject

Returns:

a byte indicating this object is of type Principal

outputBytes

public byte[] outputBytes()

Serializes this PrincipalAO object. The format is as follows: 1 Type ID byte, 1 length byte followed by data
Pos 0: TYPE_PRINCIPAL //type
Pos 1: 12 //length
Pos 2 to 13: Doantam Phan //sample content

Specified by:

outputBytes in interface ACGObject

Returns:

a byte array containing the serialized version of this PrincipalAO object.

inputBytes

public int inputBytes(byte[] input,
                      int start)
               throws ACGException

Deserializes this PrincipalAO object from the given input.

Specified by:

inputBytes in interface ACGObject

Parameters:

input - a byte array from which we deserialize the object.

start - the index at which to start deserializing this object.

Returns:

the number of bytes that this PrincipalAO object took up.

Throws:

ACGException - if the input is of length less than 2.

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

selfTest

public boolean selfTest()
                 throws ACGException