Class L3Address

java.lang.Object

L3Address

public class L3Address
extends java.lang.Object

An L3Address represents a L3 source or destination address, with its two parts: the network part and host part, each 1 octet long.

Field Summary

Fields

Modifier and Type	Field and Description
static int	BCAST BCAST is defined to be an octet of all 1s, in each part of the address.

Constructor Summary

Constructors

Constructor and Description
L3Address(int net, int host) Create an address from the net part and host part.
L3Address(java.lang.String bits) Create an address from a 16-long string of 1s and 0s.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(L3Address other) return true of this address is identical to the given one.
void	fromDottedDecimal(java.lang.String in) Convert from dotted-decimal form.
int	getHost()
int	getNetwork() getters
boolean	isBcast() return true if this address is the bcast address, 255.255.
java.lang.String	toDottedDecimal() Convert to dotted-decimal form: net.host
java.lang.String	toString() Convert to a string of 0s and 1s for transmission over a network.

Methods inherited from class java.lang.Object

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

Field Detail

BCAST

public static final int BCAST

BCAST is defined to be an octet of all 1s, in each part of the address.

See Also:

Constant Field Values

Constructor Detail

L3Address

public L3Address(int net,
         int host)

Create an address from the net part and host part.

L3Address

public L3Address(java.lang.String bits)

Create an address from a 16-long string of 1s and 0s.

Method Detail

toString

public java.lang.String toString()

Convert to a string of 0s and 1s for transmission over a network.

Overrides:

toString in class java.lang.Object

toDottedDecimal

public java.lang.String toDottedDecimal()

Convert to dotted-decimal form: net.host

fromDottedDecimal

public void fromDottedDecimal(java.lang.String in)

Convert from dotted-decimal form.

equals

public boolean equals(L3Address other)

return true of this address is identical to the given one.

isBcast

public boolean isBcast()

return true if this address is the bcast address, 255.255.

getNetwork

public int getNetwork()

getters

getHost

public int getHost()