/*
* Copyright 2002-2016 the original author or authors.
*
* 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 org.springframework.security.openid;
import java.util.List;
/**
* A strategy which can be used by an OpenID consumer implementation, to dynamically
* determine the attribute exchange information based on the OpenID identifier.
* <p>
* This allows the list of attributes for a fetch request to be tailored for different
* OpenID providers, since they do not all support the same attributes.
*
* @author Luke Taylor
* @since 3.1
*/
public interface AxFetchListFactory {
/**
* Builds the list of attributes which should be added to the fetch request for the
* supplied OpenID identifier.
*
* @param identifier the claimed_identity
* @return the attributes to fetch for this identifier
*/
List<OpenIDAttribute> createAttributeList(String identifier);
}