001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027package org.apache.http.impl.cookie; 028 029import org.apache.http.annotation.Contract; 030import org.apache.http.annotation.ThreadingBehavior; 031import org.apache.http.cookie.ClientCookie; 032import org.apache.http.cookie.CommonCookieAttributeHandler; 033import org.apache.http.cookie.Cookie; 034import org.apache.http.cookie.CookieOrigin; 035import org.apache.http.cookie.CookieRestrictionViolationException; 036import org.apache.http.cookie.MalformedCookieException; 037import org.apache.http.cookie.SetCookie; 038import org.apache.http.util.Args; 039 040/** 041 * 042 * @since 4.0 043 */ 044@Contract(threading = ThreadingBehavior.IMMUTABLE) 045public class RFC2109VersionHandler extends AbstractCookieAttributeHandler implements CommonCookieAttributeHandler { 046 047 public RFC2109VersionHandler() { 048 super(); 049 } 050 051 @Override 052 public void parse(final SetCookie cookie, final String value) 053 throws MalformedCookieException { 054 Args.notNull(cookie, "Cookie"); 055 if (value == null) { 056 throw new MalformedCookieException("Missing value for version attribute"); 057 } 058 if (value.trim().isEmpty()) { 059 throw new MalformedCookieException("Blank value for version attribute"); 060 } 061 try { 062 cookie.setVersion(Integer.parseInt(value)); 063 } catch (final NumberFormatException e) { 064 throw new MalformedCookieException("Invalid version: " 065 + e.getMessage()); 066 } 067 } 068 069 @Override 070 public void validate(final Cookie cookie, final CookieOrigin origin) 071 throws MalformedCookieException { 072 Args.notNull(cookie, "Cookie"); 073 if (cookie.getVersion() < 0) { 074 throw new CookieRestrictionViolationException("Cookie version may not be negative"); 075 } 076 } 077 078 @Override 079 public String getAttributeName() { 080 return ClientCookie.VERSION_ATTR; 081 } 082 083}