/*
* 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.core.authority.mapping;
import org.springframework.security.core.GrantedAuthority;
import java.util.*;
/**
* Mapping interface which can be injected into the authentication layer to convert the
* authorities loaded from storage into those which will be used in the
* {@code Authentication} object.
*
* @author Luke Taylor
*/
public interface GrantedAuthoritiesMapper {
Collection<? extends GrantedAuthority> mapAuthorities(
Collection<? extends GrantedAuthority> authorities);
}