001/* 002 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Jean-Marc Orliaguet, Chalmers 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.theme.jsf.negotiation; 023 024import java.util.Map; 025 026import javax.faces.context.ExternalContext; 027import javax.servlet.http.Cookie; 028import javax.servlet.http.HttpServletResponse; 029 030public final class CookieManager { 031 032 public static String getCookie(final String name, final ExternalContext context) { 033 if (context == null) { 034 return null; 035 } 036 final Map<String, Object> cookies = context.getRequestCookieMap(); 037 final Cookie cookie = (Cookie) cookies.get(name); 038 if (cookie == null) { 039 return null; 040 } 041 return cookie.getValue(); 042 } 043 044 public static void setCookie(String name, String value, final ExternalContext context) { 045 if (context == null) { 046 return; 047 } 048 HttpServletResponse response = (HttpServletResponse) context.getResponse(); 049 final Cookie cookie = new Cookie(name, value); 050 response.addCookie(cookie); 051 } 052 053 public static void expireCookie(String name, final ExternalContext context) { 054 if (context == null) { 055 return; 056 } 057 HttpServletResponse response = (HttpServletResponse) context.getResponse(); 058 final Cookie cookie = new Cookie(name, ""); 059 cookie.setMaxAge(0); 060 response.addCookie(cookie); 061 } 062 063}