001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.util;
016    
017    import com.liferay.portal.kernel.util.GetterUtil;
018    
019    import javax.servlet.http.Cookie;
020    import javax.servlet.http.HttpServletRequest;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class CookieUtil {
026    
027            public static String get(HttpServletRequest request, String name) {
028                    Cookie[] cookies = request.getCookies();
029    
030                    if (cookies == null) {
031                            return null;
032                    }
033    
034                    for (int i = 0; i < cookies.length; i++) {
035                            Cookie cookie = cookies[i];
036    
037                            String cookieName = GetterUtil.getString(cookie.getName());
038    
039                            if (cookieName.equalsIgnoreCase(name)) {
040                                    return cookie.getValue();
041                            }
042                    }
043    
044                    return null;
045            }
046    
047    }