ServerCookieEncoder.java — netty Source File

Source Code

/*
 * 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:
 *
 *   https://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.cookie;

import io.netty.handler.codec.DateFormatter;
import io.netty.handler.codec.http.HttpConstants;
import io.netty.handler.codec.http.HttpResponse;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import static io.netty.handler.codec.http.cookie.CookieUtil.add;
import static io.netty.handler.codec.http.cookie.CookieUtil.addQuoted;
import static io.netty.handler.codec.http.cookie.CookieUtil.stringBuilder;
import static io.netty.handler.codec.http.cookie.CookieUtil.stripTrailingSeparator;
import static io.netty.util.internal.ObjectUtil.checkNotNull;

/**
 * A <a href="https://tools.ietf.org/html/rfc6265">RFC6265</a> compliant cookie encoder to be used server side,
 * so some fields are sent (Version is typically ignored).
 *
 * As Netty's Cookie merges Expires and MaxAge into one single field, only Max-Age field is sent.
 *
 * Note that multiple cookies must be sent as separate "Set-Cookie" headers.
 *
 * <pre>
 * // Example
 * {@link HttpResponse} res = ...;
 * res.setHeader("Set-Cookie", {@link ServerCookieEncoder}.encode("JSESSIONID", "1234"));
 * </pre>
 *
 * @see ServerCookieDecoder
 */
public final class ServerCookieEncoder extends CookieEncoder {

    /**
     * Strict encoder that validates that name and value chars are in the valid scope
     * defined in RFC6265, and (for methods that accept multiple cookies) that only
     * one cookie is encoded with any given name. (If multiple cookies have the same
     * name, the last one is the one that is encoded.)
     */
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