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/*
 * Copyright (C) 2015 Square, Inc.
 *
 * Licensed 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 okhttp3;

import java.util.Collections;
import java.util.List;

/**
 * Provides policy and persistence for HTTP cookies.
 *
 * 

As policy, implementations of this interface are responsible for selecting which cookies to * accept and which to reject. A reasonable policy is to reject all cookies, though that may * interfere with session-based authentication schemes that require cookies. * *

As persistence, implementations of this interface must also provide storage of cookies. Simple * implementations may store cookies in memory; sophisticated ones may use the file system or * database to hold accepted cookies. The cookie storage model specifies * policies for updating and expiring cookies. */ public interface CookieJar { /** A cookie jar that never accepts any cookies. */ CookieJar NO_COOKIES = new CookieJar() { @Override public void saveFromResponse(HttpUrl url, List cookies) { } @Override public List loadForRequest(HttpUrl url) { return Collections.emptyList(); } }; /** * Saves {@code cookies} from an HTTP response to this store according to this jar's policy. * *

Note that this method may be called a second time for a single HTTP response if the response * includes a trailer. For this obscure HTTP feature, {@code cookies} contains only the trailer's * cookies. */ void saveFromResponse(HttpUrl url, List cookies); /** * Load cookies from the jar for an HTTP request to {@code url}. This method returns a possibly * empty list of cookies for the network request. * *

Simple implementations will return the accepted cookies that have not yet expired and that * {@linkplain Cookie#matches match} {@code url}. */ List loadForRequest(HttpUrl url); }





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