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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  
34  /**
35   * <tt>"Version"</tt> cookie attribute handler for BrowserCompat cookie spec.
36   *
37   * @since 4.3
38   */
39  @Immutable
40  class BrowserCompatVersionAttributeHandler extends
41  		AbstractCookieAttributeHandler {
42  
43  	public BrowserCompatVersionAttributeHandler() {
44  		super();
45  	}
46  
47  	/**
48  	 * Parse cookie version attribute.
49  	 */
50  	public void parse(final SetCookie cookie, final String value)
51  			throws MalformedCookieException {
52  		if (cookie == null) {
53  			throw new IllegalArgumentException("Cookie may not be null");
54  		}
55  		if (value == null) {
56  			throw new MalformedCookieException("Missing value for version attribute");
57  		}
58  		int version = 0;
59  		try {
60  			version = Integer.parseInt(value);
61  		} catch (NumberFormatException e) {
62  			// Just ignore invalid versions
63  		}
64  		cookie.setVersion(version);
65  	}
66  
67  }