Java tutorial
/* * ==================================================================== * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.impl.cookie; import org.apache.http.annotation.Immutable; import org.apache.http.cookie.Cookie; import org.apache.http.cookie.CookieOrigin; import org.apache.http.cookie.CookieRestrictionViolationException; import org.apache.http.cookie.MalformedCookieException; import org.apache.http.cookie.SetCookie; import org.apache.http.util.Args; /** * * @since 4.0 */ @Immutable public class RFC2109VersionHandler extends AbstractCookieAttributeHandler { public RFC2109VersionHandler() { super(); } public void parse(final SetCookie cookie, final String value) throws MalformedCookieException { Args.notNull(cookie, "Cookie"); if (value == null) { throw new MalformedCookieException("Missing value for version attribute"); } if (value.trim().length() == 0) { throw new MalformedCookieException("Blank value for version attribute"); } try { cookie.setVersion(Integer.parseInt(value)); } catch (final NumberFormatException e) { throw new MalformedCookieException("Invalid version: " + e.getMessage()); } } @Override public void validate(final Cookie cookie, final CookieOrigin origin) throws MalformedCookieException { Args.notNull(cookie, "Cookie"); if (cookie.getVersion() < 0) { throw new CookieRestrictionViolationException("Cookie version may not be negative"); } } }