org.xbill.DNS.config

Class SunJvmResolverConfigProvider

java.lang.Object

org.xbill.DNS.config.BaseResolverConfigProvider

org.xbill.DNS.config.SunJvmResolverConfigProvider

All Implemented Interfaces:

ResolverConfigProvider

public class SunJvmResolverConfigProvider
extends BaseResolverConfigProvider

Resolver config provider that queries the traditional class sun.net.dns.ResolverConfiguration via reflection.

• As of Java 9, generates an illegal reflective access exception.
• As of Java 16, adding the JVM flag --add-opens java.base/sun.net.dns=ALL-UNNAMED is required.
• On Windows, may return invalid nameservers of disconnected NICs before Java 15, JDK-7006496.

Field Summary

Fields inherited from class org.xbill.DNS.config.BaseResolverConfigProvider

log, searchlist

Constructor Summary

Constructors

Constructor and Description
SunJvmResolverConfigProvider()

Method Summary

Modifier and Type	Method and Description
void	initialize() Initializes the servers, search paths, etc.
boolean	isEnabled() Determines if this provider is enabled.

Methods inherited from class org.xbill.DNS.config.BaseResolverConfigProvider

addNameserver, addSearchPath, parseNdots, parseSearchPathList, reset, searchPaths, servers

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xbill.DNS.config.ResolverConfigProvider

ndots

Constructor Detail

SunJvmResolverConfigProvider

public SunJvmResolverConfigProvider()

Method Detail

initialize

public void initialize()
                throws InitializationException

Description copied from interface: ResolverConfigProvider

Initializes the servers, search paths, etc.

Throws:

InitializationException

isEnabled

public boolean isEnabled()

Description copied from interface: ResolverConfigProvider

Determines if this provider is enabled.