1 /* 2 * Copyright 2015 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.resolver; 17 18 import java.net.InetAddress; 19 20 /** 21 * Resolves a hostname against the hosts file entries. 22 */ 23 public interface HostsFileEntriesResolver { 24 25 /** 26 * Default instance: a {@link DefaultHostsFileEntriesResolver}. 27 */ 28 HostsFileEntriesResolver DEFAULT = new DefaultHostsFileEntriesResolver(); 29 30 /** 31 * Resolve the address of a hostname against the entries in a hosts file, depending on some address types. 32 * @param inetHost the hostname to resolve 33 * @param resolvedAddressTypes the address types to resolve 34 * @return the first matching address 35 */ 36 InetAddress address(String inetHost, ResolvedAddressTypes resolvedAddressTypes); 37 }