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

class

SubnetUtils.SubnetInfo Convenience container for subnet summary information.

Constructor Summary

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

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: