org.apache.commons.net.util

Class SubnetUtils

java.lang.Object

org.apache.commons.net.util.SubnetUtils

public class SubnetUtils
extends Object

A class that performs some subnet calculations given a network address and a subnet mask.

Since:

2.0

Author:

See Also:

http://www.faqs.org/rfcs/rfc1519.html

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	SubnetUtils.SubnetInfo Convenience container for subnet summary information.

Constructor Summary

Constructors

Constructor and Description
SubnetUtils(String cidrNotation) Constructor that takes a CIDR-notation string, e.g.
SubnetUtils(String address, String mask) Constructor that takes two dotted decimal addresses.

Method Summary

Methods

Modifier and Type	Method and Description
SubnetUtils.SubnetInfo	getInfo() Return a SubnetUtils.SubnetInfo instance that contains subnet-specific statistics

Methods inherited from class java.lang.Object

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

Constructor Detail

SubnetUtils

public SubnetUtils(String cidrNotation)

Constructor that takes a CIDR-notation string, e.g. "192.168.0.1/16"

Parameters:

cidrNotation - A CIDR-notation string, e.g. "192.168.0.1/16"

SubnetUtils

public SubnetUtils(String address,
           String mask)

Constructor that takes two dotted decimal addresses.

Parameters:

address - An IP address, e.g. "192.168.0.1"

mask - A dotted decimal netmask e.g. "255.255.0.0"

Method Detail

getInfo

public final SubnetUtils.SubnetInfo getInfo()

Return a SubnetUtils.SubnetInfo instance that contains subnet-specific statistics

Returns: