1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.util;
24  
25  import com.liferay.portal.kernel.util.GetterUtil;
26  
27  import javax.servlet.http.Cookie;
28  import javax.servlet.http.HttpServletRequest;
29  
30  /**
31   * <a href="CookieUtil.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class CookieUtil {
37  
38      public static String get(HttpServletRequest request, String name) {
39          Cookie[] cookies = request.getCookies();
40  
41          if (cookies == null) {
42              return null;
43          }
44  
45          for (int i = 0; i < cookies.length; i++) {
46              Cookie cookie = cookies[i];
47  
48              String cookieName = GetterUtil.getString(cookie.getName());
49  
50              if (cookieName.equalsIgnoreCase(name)) {
51                  return cookie.getValue();
52              }
53          }
54  
55          return null;
56      }
57  
58  }