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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.Immutable;
31  import org.apache.http.cookie.MalformedCookieException;
32  import org.apache.http.cookie.SetCookie;
33  import org.apache.http.util.Args;
34  
35  /**
36   * <tt>"Version"</tt> cookie attribute handler for BrowserCompat cookie spec.
37   *
38   * @since 4.3
39   */
40  @Immutable
41  public class BrowserCompatVersionAttributeHandler extends
42          AbstractCookieAttributeHandler {
43  
44      public BrowserCompatVersionAttributeHandler() {
45          super();
46      }
47  
48      /**
49       * Parse cookie version attribute.
50       */
51      public void parse(final SetCookie cookie, final String value)
52              throws MalformedCookieException {
53          Args.notNull(cookie, "Cookie");
54          if (value == null) {
55              throw new MalformedCookieException("Missing value for version attribute");
56          }
57          int version = 0;
58          try {
59              version = Integer.parseInt(value);
60          } catch (final NumberFormatException e) {
61              // Just ignore invalid versions
62          }
63          cookie.setVersion(version);
64      }
65  
66  }