1/* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/RFC2965VersionAttributeHandler.java $ 3 * $Revision: 590695 $ 4 * $Date: 2007-10-31 07:55:41 -0700 (Wed, 31 Oct 2007) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 32package org.apache.http.impl.cookie; 33 34import org.apache.http.cookie.ClientCookie; 35import org.apache.http.cookie.Cookie; 36import org.apache.http.cookie.CookieAttributeHandler; 37import org.apache.http.cookie.CookieOrigin; 38import org.apache.http.cookie.MalformedCookieException; 39import org.apache.http.cookie.SetCookie; 40import org.apache.http.cookie.SetCookie2; 41 42/** 43 * <tt>"Version"</tt> cookie attribute handler for RFC 2965 cookie spec. 44 */ 45public class RFC2965VersionAttributeHandler implements CookieAttributeHandler { 46 47 public RFC2965VersionAttributeHandler() { 48 super(); 49 } 50 51 /** 52 * Parse cookie version attribute. 53 */ 54 public void parse(final SetCookie cookie, final String value) 55 throws MalformedCookieException { 56 if (cookie == null) { 57 throw new IllegalArgumentException("Cookie may not be null"); 58 } 59 if (value == null) { 60 throw new MalformedCookieException( 61 "Missing value for version attribute"); 62 } 63 int version = -1; 64 try { 65 version = Integer.parseInt(value); 66 } catch (NumberFormatException e) { 67 version = -1; 68 } 69 if (version < 0) { 70 throw new MalformedCookieException("Invalid cookie version."); 71 } 72 cookie.setVersion(version); 73 } 74 75 /** 76 * validate cookie version attribute. Version attribute is REQUIRED. 77 */ 78 public void validate(final Cookie cookie, final CookieOrigin origin) 79 throws MalformedCookieException { 80 if (cookie == null) { 81 throw new IllegalArgumentException("Cookie may not be null"); 82 } 83 if (cookie instanceof SetCookie2) { 84 if (cookie instanceof ClientCookie 85 && !((ClientCookie) cookie).containsAttribute(ClientCookie.VERSION_ATTR)) { 86 throw new MalformedCookieException( 87 "Violates RFC 2965. Version attribute is required."); 88 } 89 } 90 } 91 92 public boolean match(final Cookie cookie, final CookieOrigin origin) { 93 return true; 94 } 95 96}