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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.hc.client5.http.cookie;
29  
30  import java.util.Date;
31  
32  /**
33   * Cookie interface represents a token or short packet of state information
34   * (also referred to as "magic-cookie") that the HTTP agent and the target
35   * server can exchange to maintain a session. In its simples form an HTTP
36   * cookie is merely a name / value pair.
37   *
38   * @since 4.0
39   */
40  public interface Cookie {
41  
42      String PATH_ATTR       = "path";
43      String DOMAIN_ATTR     = "domain";
44      String MAX_AGE_ATTR    = "max-age";
45      String SECURE_ATTR     = "secure";
46      String EXPIRES_ATTR    = "expires";
47  
48      /**
49       * @since 5.0
50       */
51      String getAttribute(String name);
52  
53      /**
54       * @since 5.0
55       */
56      boolean containsAttribute(String name);
57  
58      /**
59       * Returns the name.
60       *
61       * @return String name The name
62       */
63      String getName();
64  
65      /**
66       * Returns the value.
67       *
68       * @return String value The current value.
69       */
70      String getValue();
71  
72      /**
73       * Returns the expiration {@link Date} of the cookie, or {@code null}
74       * if none exists.
75       * <p><strong>Note:</strong> the object returned by this method is
76       * considered immutable. Changing it (e.g. using setTime()) could result
77       * in undefined behaviour. Do so at your peril. </p>
78       * @return Expiration {@link Date}, or {@code null}.
79       */
80      Date getExpiryDate();
81  
82      /**
83       * Returns {@code false} if the cookie should be discarded at the end
84       * of the "session"; {@code true} otherwise.
85       *
86       * @return {@code false} if the cookie should be discarded at the end
87       *         of the "session"; {@code true} otherwise
88       */
89      boolean isPersistent();
90  
91      /**
92       * Returns domain attribute of the cookie. The value of the Domain
93       * attribute specifies the domain for which the cookie is valid.
94       *
95       * @return the value of the domain attribute.
96       */
97      String getDomain();
98  
99      /**
100      * Returns the path attribute of the cookie. The value of the Path
101      * attribute specifies the subset of URLs on the origin server to which
102      * this cookie applies.
103      *
104      * @return The value of the path attribute.
105      */
106     String getPath();
107 
108     /**
109      * Indicates whether this cookie requires a secure connection.
110      *
111      * @return  {@code true} if this cookie should only be sent
112      *          over secure connections, {@code false} otherwise.
113      */
114     boolean isSecure();
115 
116     /**
117      * Returns true if this cookie has expired.
118      * @param date Current time
119      *
120      * @return {@code true} if the cookie has expired.
121      */
122     boolean isExpired(final Date date);
123 
124     /**
125      * Returns creation time of the cookie.
126      */
127     Date getCreationDate();
128 
129 }
130