/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project 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.
 */
package io.netty.handler.codec.http;

import java.util.BitSet;

Deprecated:Duplicate of package private $CookieUtil
/** * @deprecated Duplicate of package private ${@link io.netty.handler.codec.http.cookie.CookieUtil} */
@Deprecated final class CookieUtil { private static final BitSet VALID_COOKIE_VALUE_OCTETS = validCookieValueOctets(); private static final BitSet VALID_COOKIE_NAME_OCTETS = validCookieNameOctets(VALID_COOKIE_VALUE_OCTETS); // US-ASCII characters excluding CTLs, whitespace, DQUOTE, comma, semicolon, and backslash private static BitSet validCookieValueOctets() { BitSet bits = new BitSet(8); for (int i = 35; i < 127; i++) { // US-ASCII characters excluding CTLs (%x00-1F / %x7F) bits.set(i); } bits.set('"', false); // exclude DQUOTE = %x22 bits.set(',', false); // exclude comma = %x2C bits.set(';', false); // exclude semicolon = %x3B bits.set('\\', false); // exclude backslash = %x5C return bits; } // token = 1*<any CHAR except CTLs or separators> // separators = "(" | ")" | "<" | ">" | "@" // | "," | ";" | ":" | "\" | <"> // | "/" | "[" | "]" | "?" | "=" // | "{" | "}" | SP | HT private static BitSet validCookieNameOctets(BitSet validCookieValueOctets) { BitSet bits = new BitSet(8); bits.or(validCookieValueOctets); bits.set('(', false); bits.set(')', false); bits.set('<', false); bits.set('>', false); bits.set('@', false); bits.set(':', false); bits.set('/', false); bits.set('[', false); bits.set(']', false); bits.set('?', false); bits.set('=', false); bits.set('{', false); bits.set('}', false); bits.set(' ', false); bits.set('\t', false); return bits; } static int firstInvalidCookieNameOctet(CharSequence cs) { return firstInvalidOctet(cs, VALID_COOKIE_NAME_OCTETS); } static int firstInvalidCookieValueOctet(CharSequence cs) { return firstInvalidOctet(cs, VALID_COOKIE_VALUE_OCTETS); } static int firstInvalidOctet(CharSequence cs, BitSet bits) { for (int i = 0; i < cs.length(); i++) { char c = cs.charAt(i); if (!bits.get(c)) { return i; } } return -1; } static CharSequence unwrapValue(CharSequence cs) { final int len = cs.length(); if (len > 0 && cs.charAt(0) == '"') { if (len >= 2 && cs.charAt(len - 1) == '"') { // properly balanced return len == 2 ? "" : cs.subSequence(1, len - 1); } else { return null; } } return cs; } private CookieUtil() { // Unused } }