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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.http.impl.auth;
29  
30  import java.nio.charset.Charset;
31  
32  import org.apache.http.annotation.Contract;
33  import org.apache.http.annotation.ThreadingBehavior;
34  import org.apache.http.auth.AuthScheme;
35  import org.apache.http.auth.AuthSchemeFactory;
36  import org.apache.http.auth.AuthSchemeProvider;
37  import org.apache.http.params.HttpParams;
38  import org.apache.http.protocol.HttpContext;
39  
40  /**
41   * {@link AuthSchemeProvider} implementation that creates and initializes
42   * {@link DigestScheme} instances.
43   *
44   * @since 4.0
45   */
46  @Contract(threading = ThreadingBehavior.IMMUTABLE)
47  @SuppressWarnings("deprecation")
48  public class DigestSchemeFactory implements AuthSchemeFactory, AuthSchemeProvider {
49  
50      private final Charset charset;
51  
52      /**
53       * @since 4.3
54       */
55      public DigestSchemeFactory(final Charset charset) {
56          super();
57          this.charset = charset;
58      }
59  
60      public DigestSchemeFactory() {
61          this(null);
62      }
63  
64      @Override
65      public AuthScheme newInstance(final HttpParams params) {
66          return new DigestScheme();
67      }
68  
69      @Override
70      public AuthScheme create(final HttpContext context) {
71          return new DigestScheme(this.charset);
72      }
73  
74  }