org.xbill.DNS.spi
public class DNSJavaNameService extends java.lang.Object implements java.lang.reflect.InvocationHandler
This Name Service Provider uses dnsjava.
To use this provider, you must set the following system property: sun.net.spi.nameservice.provider.1=dns,dnsjava
Modifier | Constructor and Description |
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protected |
DNSJavaNameService()
Creates a DNSJavaNameService instance.
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Modifier and Type | Method and Description |
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java.lang.String |
getHostByAddr(byte[] addr)
Performs a reverse DNS lookup.
|
java.lang.Object |
invoke(java.lang.Object proxy,
java.lang.reflect.Method method,
java.lang.Object[] args) |
java.net.InetAddress[] |
lookupAllHostAddr(java.lang.String host)
Performs a forward DNS lookup for the host name.
|
protected DNSJavaNameService()
Uses the sun.net.spi.nameservice.nameservers, sun.net.spi.nameservice.domain, and java.net.preferIPv6Addresses properties for configuration.
public java.lang.Object invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) throws java.lang.Throwable
invoke
in interface java.lang.reflect.InvocationHandler
java.lang.Throwable
public java.net.InetAddress[] lookupAllHostAddr(java.lang.String host) throws java.net.UnknownHostException
host
- The host name to resolve.java.net.UnknownHostException
public java.lang.String getHostByAddr(byte[] addr) throws java.net.UnknownHostException
addr
- The ip address to lookup.java.net.UnknownHostException