Package org.apache.juneau.http.remote

Interface RemoteUrlPolicy.AddressResolver

Enclosing class:

RemoteUrlPolicy

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface RemoteUrlPolicy.AddressResolver

Resolves the InetAddress candidates for a hostname. Injectable so pin-on-connect tests can simulate DNS rebinding / mixed A+AAAA / blocked-address resolution without depending on live (and flaky) DNS.

Field Summary

Fields

Modifier and Type	Field	Description
static final RemoteUrlPolicy.AddressResolver	DEFAULT	The production resolver: real DNS resolution via InetAddress.getAllByName(String).

Method Summary

Modifier and Type	Method	Description
InetAddress[]	resolve(String host)	Resolves host to its candidate addresses.

Field Details

DEFAULT

static final RemoteUrlPolicy.AddressResolver DEFAULT

The production resolver: real DNS resolution via InetAddress.getAllByName(String).

Method Details

resolve

InetAddress[] resolve(String host)
               throws UnknownHostException

Resolves host to its candidate addresses.

Parameters:

host - The hostname (or IP literal) to resolve.

Returns:

The resolved candidate addresses. Never null or empty on success.

Throws:

UnknownHostException - If the host cannot be resolved.