1 /*
2 * Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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 * A copy of the License is located at
7 *
8 * http://aws.amazon.com/apache2.0
9 *
10 * or in the "license" file accompanying this file. This file is distributed
11 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
12 * express or implied. See the License for the specific language governing
13 * permissions and limitations under the License.
14 */
15 package com.amazonaws.http;
16
17 import java.net.InetAddress;
18 import java.net.UnknownHostException;
19
20 import org.apache.http.conn.DnsResolver;
21
22 /**
23 * Implements the {@link org.apache.http.conn.DnsResolver} interface,
24 * taking in a {@link com.amazonaws.DnsResolver} implementation and executing its
25 * {@link com.amazonaws.DnsResolver#resolve(String)} method to perform the
26 * actual DNS resolution.
27 */
28 public class DelegatingDnsResolver implements DnsResolver {
29
30 private final com.amazonaws.DnsResolver delegate;
31
32 public DelegatingDnsResolver(com.amazonaws.DnsResolver delegate) {
33 this.delegate = delegate;
34 }
35
36 @Override
37 public InetAddress[] resolve(String host) throws UnknownHostException {
38 return delegate.resolve(host);
39 }
40 }
41