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.CookieAttributeHandler; 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; import org.apache.http.util.TextUtils; /** * * @since 4.0 */ @Immutable public class BasicPathHandler implements CookieAttributeHandler { public BasicPathHandler() { super(); } public void parse(final SetCookie cookie, final String value) throws MalformedCookieException { Args.notNull(cookie, "Cookie"); cookie.setPath(!TextUtils.isBlank(value) ? value : "/"); } public void validate(final Cookie cookie, final CookieOrigin origin) throws MalformedCookieException { if (!match(cookie, origin)) { throw new CookieRestrictionViolationException("Illegal path attribute \"" + cookie.getPath() + "\". Path of origin: \"" + origin.getPath() + "\""); } } public boolean match(final Cookie cookie, final CookieOrigin origin) { Args.notNull(cookie, "Cookie"); Args.notNull(origin, "Cookie origin"); final String targetpath = origin.getPath(); String topmostPath = cookie.getPath(); if (topmostPath == null) { topmostPath = "/"; } if (topmostPath.length() > 1 && topmostPath.endsWith("/")) { topmostPath = topmostPath.substring(0, topmostPath.length() - 1); } boolean match = targetpath.startsWith(topmostPath); // if there is a match and these values are not exactly the same we have // to make sure we're not matcing "/foobar" and "/foo" if (match && targetpath.length() != topmostPath.length()) { if (!topmostPath.endsWith("/")) { match = (targetpath.charAt(topmostPath.length()) == '/'); } } return match; } }