1/*
2 * Copyright (C) 2012 Square, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://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,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.squareup.okhttp.internal;
17
18import java.net.InetAddress;
19import java.net.UnknownHostException;
20
21/**
22 * Domain name service. Prefer this over {@link InetAddress#getAllByName} to
23 * make code more testable.
24 */
25public interface Dns {
26  Dns DEFAULT = new Dns() {
27    @Override public InetAddress[] getAllByName(String host) throws UnknownHostException {
28      return InetAddress.getAllByName(host);
29    }
30  };
31
32  InetAddress[] getAllByName(String host) throws UnknownHostException;
33}
34