org.apache.hc.client5.http

类 SystemDefaultDnsResolver

java.lang.Object

org.apache.hc.client5.http.SystemDefaultDnsResolver

所有已实现的接口:

DnsResolver

public class SystemDefaultDnsResolver
extends Object
implements DnsResolver

DNS resolver that uses the default OS implementation for resolving host names.

从以下版本开始:

4.2

字段概要

字段

限定符和类型	字段和说明
static SystemDefaultDnsResolver	INSTANCE

构造器概要

构造器

构造器和说明
SystemDefaultDnsResolver()

方法概要

限定符和类型	方法和说明
InetAddress[]	resolve(String host) Returns the IP address for the specified host name, or null if the given host is not recognized or the associated IP address cannot be used to build an InetAddress instance.
String	resolveCanonicalHostname(String host) Gets the fully qualified domain name for given host name.

从类继承的方法 java.lang.Object

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

字段详细资料

INSTANCE

public static final SystemDefaultDnsResolver INSTANCE

构造器详细资料

SystemDefaultDnsResolver

public SystemDefaultDnsResolver()

方法详细资料

resolve

public InetAddress[] resolve(String host)
                      throws UnknownHostException

从接口复制的说明: DnsResolver

Returns the IP address for the specified host name, or null if the given host is not recognized or the associated IP address cannot be used to build an InetAddress instance.

指定者:

resolve 在接口中 DnsResolver

参数:

host - The host name to be resolved by this resolver.

返回:

The IP address associated to the given host name, or null if the host name is not known by the implementation class.

抛出:

UnknownHostException

另请参阅:

InetAddress

resolveCanonicalHostname

public String resolveCanonicalHostname(String host)
                                throws UnknownHostException

从接口复制的说明: DnsResolver

Gets the fully qualified domain name for given host name.

指定者:

resolveCanonicalHostname 在接口中 DnsResolver

抛出:

UnknownHostException