/*
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.net;
import java.util.List;
import java.util.Map;
/**
* A CookieStore object represents a storage for cookie. Can store and retrieve
* cookies.
*
* <p>{@link CookieManager} will call <tt>CookieStore.add</tt> to save cookies
* for every incoming HTTP response, and call <tt>CookieStore.get</tt> to
* retrieve cookie for every outgoing HTTP request. A CookieStore
* is responsible for removing HttpCookie instances which have expired.
*
* @author Edward Wang
* @since 1.6
*/
public interface CookieStore {
/**
* Adds one HTTP cookie to the store. This is called for every
* incoming HTTP response.
*
* <p>A cookie to store may or may not be associated with an URI. If it
* is not associated with an URI, the cookie's domain and path attribute
* will indicate where it comes from. If it is associated with an URI and
* its domain and path attribute are not speicifed, given URI will indicate
* where this cookie comes from.
*
* <p>If a cookie corresponding to the given URI already exists,
* then it is replaced with the new one.
*
* @param uri the uri this cookie associated with.
* if <tt>null</tt>, this cookie will not be associated
* with an URI
* @param cookie the cookie to store
*
* @throws NullPointerException if <tt>cookie</tt> is <tt>null</tt>
*
* @see #get
*
*/
public void add(URI uri, HttpCookie cookie);
/**
* Retrieve cookies associated with given URI, or whose domain matches the
* given URI. Only cookies that have not expired are returned.
* This is called for every outgoing HTTP request.
*
* @return an immutable list of HttpCookie,
* return empty list if no cookies match the given URI
*
* @throws NullPointerException if <tt>uri</tt> is <tt>null</tt>
*
* @see #add
*
*/
public List<HttpCookie> get(URI uri);
/**
* Get all not-expired cookies in cookie store.
*
* @return an immutable list of http cookies;
* return empty list if there's no http cookie in store
*/
public List<HttpCookie> getCookies();
/**
* Get all URIs which identify the cookies in this cookie store.
*
* @return an immutable list of URIs;
* return empty list if no cookie in this cookie store
* is associated with an URI
*/
public List<URI> getURIs();
/**
* Remove a cookie from store.
*
* @param uri the uri this cookie associated with.
* if <tt>null</tt>, the cookie to be removed is not associated
* with an URI when added; if not <tt>null</tt>, the cookie
* to be removed is associated with the given URI when added.
* @param cookie the cookie to remove
*
* @return <tt>true</tt> if this store contained the specified cookie
*
* @throws NullPointerException if <tt>cookie</tt> is <tt>null</tt>
*/
public boolean remove(URI uri, HttpCookie cookie);
/**
* Remove all cookies in this cookie store.
*
* @return <tt>true</tt> if this store changed as a result of the call
*/
public boolean removeAll();
}