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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http.impl;
29  
30  import java.net.InetSocketAddress;
31  
32  import org.apache.hc.core5.function.Resolver;
33  import org.apache.hc.core5.http.HttpHost;
34  import org.apache.hc.core5.http.URIScheme;
35  
36  /**
37   * Default {@link HttpHost} to {@link InetSocketAddress} resolver.
38   *
39   * @since 5.0
40   */
41  public final class DefaultAddressResolver implements Resolver<HttpHost, InetSocketAddress> {
42  
43      public static final DefaultAddressResolver INSTANCE = new DefaultAddressResolver();
44  
45      @Override
46      public InetSocketAddress resolve(final HttpHost host) {
47          if (host == null) {
48              return null;
49          }
50          int port = host.getPort();
51          if (port < 0) {
52              final String scheme = host.getSchemeName();
53              if (URIScheme.HTTP.same(scheme)) {
54                  port = 80;
55              } else if (URIScheme.HTTPS.same(scheme)) {
56                  port = 443;
57              }
58          }
59          final String hostName = host.getHostName();
60          return new InetSocketAddress(hostName, port);
61      }
62  
63  }