/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 java.net;
import java.util.List;
/**
* A CookieStore object is a repository for cookies.
*
* CookieManager will store cookies of every incoming HTTP response into
* CookieStore, and retrieve cookies for every outgoing HTTP request.Expired
* HttpCookies should be removed from this store by themselves.
*
* @since 1.6
*/
public interface CookieStore {
/**
* Saves a HTTP cookie to this store. This is called for every incoming HTTP
* response.
*
* A cookie may or may not has an associated URI. If not, the cookie's
* domain and path attribute will show cradleland. If there is an
* associated URI and no domain and path attribute are speicifed for the
* cookie, the given URI will indicate where this cookie comes from.
*
* If a cookie corresponding to the given URI already exists, then it is
* replaced with the new one.
*
* @param uri
* the uri associated with the specified cookie. A null value
* indicates the cookie is not associated with a URI
* @param cookie
* the cookie to be stored
*/
void add(URI uri, HttpCookie cookie);
/**
* Retrieves cookies that match the specified URI. Return not expired cookies.
* For every outgoing HTTP request, this method will be called.
*
* @param uri
* the uri this cookie associated with. If null, this cookie will
* not be associated with an URI
* @return an immutable list of HttpCookies, return empty list if no cookies
* match the given URI
* @throws NullPointerException
* if uri is null
*/
List<HttpCookie> get(URI uri);
/**
* Get all cookies in cookie store which are not expired.
*
* @return an empty list if there's no http cookie in store, or an immutable
* list of cookies
*/
List<HttpCookie> getCookies();
/**
* Get a set of URIs, which is composed of associated URI with all the
* cookies in the store.
*
* @return zero-length list if no cookie in the store is associated with any
* URIs, otherwise an immutable list of URIs.
*/
List<URI> getURIs();
/**
* Remove the specified cookie from the store.
*
* @param uri
* the uri associated with the specified cookie. If the cookie is
* not associated with an URI when added, uri should be null;
* otherwise the uri should be non-null.
* @param cookie
* the cookie to be removed
* @return true if the specified cookie is contained in this store and
* removed successfully
*/
boolean remove(URI uri, HttpCookie cookie);
/**
* Clear this cookie store.
*
* @return true if any cookies were removed as a result of this call.
*/
boolean removeAll();
}