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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  package org.apache.hc.client5.http.impl;
28  
29  import org.apache.hc.client5.http.SchemePortResolver;
30  import org.apache.hc.core5.annotation.Contract;
31  import org.apache.hc.core5.annotation.ThreadingBehavior;
32  import org.apache.hc.core5.http.HttpHost;
33  import org.apache.hc.core5.http.URIScheme;
34  import org.apache.hc.core5.net.NamedEndpoint;
35  import org.apache.hc.core5.util.Args;
36  
37  /**
38   * Default {@link SchemePortResolver}.
39   *
40   * @since 4.3
41   */
42  @Contract(threading = ThreadingBehavior.STATELESS)
43  public class DefaultSchemePortResolver implements SchemePortResolver {
44  
45      /**
46       * Default instance of {@link DefaultSchemePortResolver}.
47       */
48      public static final DefaultSchemePortResolver INSTANCE = new DefaultSchemePortResolver();
49  
50      @Override
51      public int resolve(final HttpHost host) {
52          Args.notNull(host, "HTTP host");
53          return resolve(host.getSchemeName(), host);
54      }
55  
56      @Override
57      public int resolve(final String scheme, final NamedEndpoint endpoint) {
58          Args.notNull(endpoint, "Endpoint");
59          final int port = endpoint.getPort();
60          if (port > 0) {
61              return port;
62          }
63          if (URIScheme.HTTP.same(scheme)) {
64              return 80;
65          } else if (URIScheme.HTTPS.same(scheme)) {
66              return 443;
67          } else {
68              return -1;
69          }
70      }
71  
72  }