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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.cookie;
28  
29  import java.util.Date;
30  
31  import org.apache.http.annotation.Immutable;
32  import org.apache.http.client.utils.DateUtils;
33  import org.apache.http.cookie.ClientCookie;
34  import org.apache.http.cookie.CommonCookieAttributeHandler;
35  import org.apache.http.cookie.MalformedCookieException;
36  import org.apache.http.cookie.SetCookie;
37  import org.apache.http.util.Args;
38  
39  /**
40   *
41   * @since 4.0
42   */
43  @Immutable
44  public class BasicExpiresHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler {
45  
46      /** Valid date patterns */
47      private final String[] datepatterns;
48  
49      public BasicExpiresHandler(final String[] datepatterns) {
50          Args.notNull(datepatterns, "Array of date patterns");
51          this.datepatterns = datepatterns;
52      }
53  
54      @Override
55      public void parse(final SetCookie cookie, final String value)
56              throws MalformedCookieException {
57          Args.notNull(cookie, "Cookie");
58          if (value == null) {
59              throw new MalformedCookieException("Missing value for expires attribute");
60          }
61          final Date expiry = DateUtils.parseDate(value, this.datepatterns);
62          if (expiry == null) {
63              throw new MalformedCookieException("Unable to parse expires attribute: "
64                      + value);
65          }
66          cookie.setExpiryDate(expiry);
67      }
68  
69      @Override
70      public String getAttributeName() {
71          return ClientCookie.EXPIRES_ATTR;
72      }
73  
74  }