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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.cookie;
29  
30  import org.apache.http.annotation.Contract;
31  import org.apache.http.annotation.Obsolete;
32  import org.apache.http.annotation.ThreadingBehavior;
33  import org.apache.http.cookie.CookieSpec;
34  import org.apache.http.cookie.CookieSpecProvider;
35  import org.apache.http.protocol.HttpContext;
36  
37  /**
38   * {@link org.apache.http.cookie.CookieSpecProvider} implementation that provides an instance of
39   * {@link NetscapeDraftSpec}. The instance returned by this factory
40   * can be shared by multiple threads.
41   * <p>
42   * Rendered obsolete by {@link org.apache.http.impl.cookie.RFC6265CookieSpecProvider}
43   *
44   * @since 4.4
45   * @see org.apache.http.impl.cookie.RFC6265CookieSpecProvider
46   */
47  @Obsolete
48  @Contract(threading = ThreadingBehavior.IMMUTABLE)
49  public class NetscapeDraftSpecProvider implements CookieSpecProvider {
50  
51      private final String[] datepatterns;
52  
53      private volatile CookieSpec cookieSpec;
54  
55      public NetscapeDraftSpecProvider(final String[] datepatterns) {
56          super();
57          this.datepatterns = datepatterns;
58      }
59  
60      public NetscapeDraftSpecProvider() {
61          this(null);
62      }
63  
64      @Override
65      public CookieSpec create(final HttpContext context) {
66          if (cookieSpec == null) {
67              synchronized (this) {
68                  if (cookieSpec == null) {
69                      this.cookieSpec = new NetscapeDraftSpec(this.datepatterns);
70                  }
71              }
72          }
73          return this.cookieSpec;
74      }
75  
76  }