Class InMemoryDnsResolver

java.lang.Object
org.apache.hc.client5.http.impl.InMemoryDnsResolver
All Implemented Interfaces:
DnsResolver
@Contract(threading=STATELESS) public class InMemoryDnsResolver extends Object implements DnsResolver
In-memory DnsResolver implementation.
Since:
4.2

  • Constructor Details

    • InMemoryDnsResolver

      public InMemoryDnsResolver()
      Builds a DNS resolver that will resolve the host names against a collection held in-memory.

  • Method Details

    • add

      public void add(String host, InetAddress... ips)
      Associates the given array of IP addresses to the given host in this DNS overrider. The IP addresses are assumed to be already resolved.
      Parameters:
      host - The host name to be associated with the given IP.
      ips - array of IP addresses to be resolved by this DNS overrider to the given host name.

    • resolve

      public InetAddress[] resolve(String host) throws UnknownHostException
      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.
      Specified by:
      resolve in interface DnsResolver
      Parameters:
      host - The host name to be resolved by this resolver.
      Returns:
      The IP address associated to the given host name, or null if the host name is not known by the implementation class.
      Throws:
      UnknownHostException
      See Also:

    • resolveCanonicalHostname

      public String resolveCanonicalHostname(String host) throws UnknownHostException
      Description copied from interface: DnsResolver
      Gets the fully qualified domain name for given host name.
      Specified by:
      resolveCanonicalHostname in interface DnsResolver
      Throws:
      UnknownHostException