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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 org.apache.http.annotation.Immutable;
30  
31  import org.apache.http.cookie.Cookie;
32  import org.apache.http.cookie.CookieOrigin;
33  import org.apache.http.cookie.CookieRestrictionViolationException;
34  import org.apache.http.cookie.MalformedCookieException;
35  import org.apache.http.cookie.SetCookie;
36  
37  /**
38   *
39   * @since 4.0
40   */
41  @Immutable
42  public class RFC2109VersionHandler extends AbstractCookieAttributeHandler {
43  
44      public RFC2109VersionHandler() {
45          super();
46      }
47  
48      public void parse(final SetCookie cookie, final String value)
49              throws MalformedCookieException {
50          if (cookie == null) {
51              throw new IllegalArgumentException("Cookie may not be null");
52          }
53          if (value == null) {
54              throw new MalformedCookieException("Missing value for version attribute");
55          }
56          if (value.trim().length() == 0) {
57              throw new MalformedCookieException("Blank value for version attribute");
58          }
59          try {
60             cookie.setVersion(Integer.parseInt(value));
61          } catch (NumberFormatException e) {
62              throw new MalformedCookieException("Invalid version: "
63                  + e.getMessage());
64          }
65      }
66  
67      @Override
68      public void validate(final Cookie cookie, final CookieOrigin origin)
69              throws MalformedCookieException {
70          if (cookie == null) {
71              throw new IllegalArgumentException("Cookie may not be null");
72          }
73          if (cookie.getVersion() < 0) {
74              throw new CookieRestrictionViolationException("Cookie version may not be negative");
75          }
76      }
77  
78  }