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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.http.impl.client;
28  
29  import java.util.HashMap;
30  
31  import org.apache.http.HttpHost;
32  import org.apache.http.annotation.NotThreadSafe;
33  import org.apache.http.auth.AuthScheme;
34  import org.apache.http.client.AuthCache;
35  import org.apache.http.conn.SchemePortResolver;
36  import org.apache.http.conn.UnsupportedSchemeException;
37  import org.apache.http.impl.conn.DefaultSchemePortResolver;
38  import org.apache.http.util.Args;
39  
40  /**
41   * Default implementation of {@link AuthCache}.
42   *
43   * @since 4.0
44   */
45  @NotThreadSafe
46  public class BasicAuthCache implements AuthCache {
47  
48      private final HashMap<HttpHost, AuthScheme> map;
49      private final SchemePortResolver schemePortResolver;
50  
51      /**
52       * Default constructor.
53       *
54       * @since 4.3
55       */
56      public BasicAuthCache(final SchemePortResolver schemePortResolver) {
57          super();
58          this.map = new HashMap<HttpHost, AuthScheme>();
59          this.schemePortResolver = schemePortResolver != null ? schemePortResolver :
60              DefaultSchemePortResolver.INSTANCE;
61      }
62  
63      public BasicAuthCache() {
64          this(null);
65      }
66  
67      protected HttpHost getKey(final HttpHost host) {
68          if (host.getPort() <= 0) {
69              final int port;
70              try {
71                  port = schemePortResolver.resolve(host);
72              } catch (final UnsupportedSchemeException ignore) {
73                  return host;
74              }
75              return new HttpHost(host.getHostName(), port, host.getSchemeName());
76          } else {
77              return host;
78          }
79      }
80  
81      public void put(final HttpHost host, final AuthScheme authScheme) {
82          Args.notNull(host, "HTTP host");
83          this.map.put(getKey(host), authScheme);
84      }
85  
86      public AuthScheme get(final HttpHost host) {
87          Args.notNull(host, "HTTP host");
88          return this.map.get(getKey(host));
89      }
90  
91      public void remove(final HttpHost host) {
92          Args.notNull(host, "HTTP host");
93          this.map.remove(getKey(host));
94      }
95  
96      public void clear() {
97          this.map.clear();
98      }
99  
100     @Override
101     public String toString() {
102         return this.map.toString();
103     }
104 
105 }