org.apereo.cas.support.spnego.util

Class ReverseDNSRunnable

java.lang.Object

org.apereo.cas.support.spnego.util.ReverseDNSRunnable

All Implemented Interfaces:

java.lang.Runnable

public class ReverseDNSRunnable
extends java.lang.Object
implements java.lang.Runnable

Utility class to perform DNS work in a threaded, timeout-able way Adapted from: http://thushw.blogspot.com/2009/11/resolving-domain-names-quickly-with.html.

Since:

4.1

Constructor Summary

Constructors

Constructor and Description
ReverseDNSRunnable(java.lang.String ipAddress) Simple constructor which also pre-sets hostName attribute for failover situations.

Method Summary

Modifier and Type	Method and Description
java.lang.String	get() Getter method to buildIdentifier result of lookup.
void	run() Runnable implementation to thread the work done in this class, allowing the implementer to set a thread timeout and thereby short-circuit the lookup.
void	set(java.lang.String hostName) Glorified setter with logging.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReverseDNSRunnable

public ReverseDNSRunnable(java.lang.String ipAddress)

Simple constructor which also pre-sets hostName attribute for failover situations.

Parameters:

ipAddress - the ip address on which reverse DNS will be done.

Method Detail

run

public void run()

Runnable implementation to thread the work done in this class, allowing the implementer to set a thread timeout and thereby short-circuit the lookup.

Specified by:

run in interface java.lang.Runnable

set

public void set(java.lang.String hostName)

Glorified setter with logging.

Parameters:

hostName - the resolved hostname

get

public java.lang.String get()

Getter method to buildIdentifier result of lookup.

Returns:

the remote host name, or the IP address if name not found

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object