Package io.netty.resolver.dns.macos

Class MacOSDnsServerAddressStreamProvider

java.lang.Object

io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider

All Implemented Interfaces:

DnsServerAddressStreamProvider

public final class MacOSDnsServerAddressStreamProvider
extends java.lang.Object
implements DnsServerAddressStreamProvider

DnsServerAddressStreamProvider implementation which makes use of the same mechanism as Apple's open source mDNSResponder to retrieve the current nameserver configuration of the system.

Constructor Summary

Constructors

Constructor	Description
MacOSDnsServerAddressStreamProvider()

Method Summary

Modifier and Type	Method	Description
static void	ensureAvailability()
static boolean	isAvailable()
DnsServerAddressStream	nameServerAddressStream(java.lang.String hostname)	Ask this provider for the name servers to query for hostname.
static java.lang.Throwable	unavailabilityCause()

Methods inherited from class java.lang.Object

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

Constructor Detail

MacOSDnsServerAddressStreamProvider

public MacOSDnsServerAddressStreamProvider()

Method Detail

isAvailable

public static boolean isAvailable()

ensureAvailability

public static void ensureAvailability()

unavailabilityCause

public static java.lang.Throwable unavailabilityCause()

nameServerAddressStream

public DnsServerAddressStream nameServerAddressStream(java.lang.String hostname)

Description copied from interface: DnsServerAddressStreamProvider

Ask this provider for the name servers to query for hostname.

Specified by:

nameServerAddressStream in interface DnsServerAddressStreamProvider

Parameters:

hostname - The hostname for which to lookup the DNS server addressed to use. If this is the final DnsServerAddressStreamProvider to be queried then generally empty string or '.' correspond to the default DnsServerAddressStream.

Returns:

The DnsServerAddressStream which should be used to resolve hostname.