ClientCookieDecoder.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.cookie.CookieHeaderNames.SameSite;

import java.util.Date;

import static io.netty.util.internal.ObjectUtil.checkNotNull;

/**
 * A <a href="https://tools.ietf.org/html/rfc6265">RFC6265</a> compliant cookie decoder to be used client side.
 *
 * It will store the way the raw value was wrapped in {@link Cookie#setWrap(boolean)} so it can be
 * eventually sent back to the Origin server as is.
 *
 * @see ClientCookieEncoder
 */
public final class ClientCookieDecoder extends CookieDecoder {

    /**
     * Strict encoder that validates that name and value chars are in the valid scope
     * defined in RFC6265
     */
    public static final ClientCookieDecoder STRICT = new ClientCookieDecoder(true);

    /**
     * Lax instance that doesn't validate name and value
     */
    public static final ClientCookieDecoder LAX = new ClientCookieDecoder(false);

    private ClientCookieDecoder(boolean strict) {
        super(strict);
    }

    /**
     * Decodes the specified Set-Cookie HTTP header value into a {@link Cookie}.
     *
     * @return the decoded {@link Cookie}
     */
    public Cookie decode(String header) {
        final int headerLen = checkNotNull(header, "header").length();

        if (headerLen == 0) {
            return null;
        }
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