/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * This program 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.exoplatform.services.security;

import java.util.Set;

/**
 * Strategy of extraction J2EE roles from given group names
 */
public interface RolesExtractor
{

   /**
    * Extracts J2EE roles from userId and|or groups the user belongs to both
    * parameters may be null
    * 
    * @param userId the user's identifier
    * @param memberships the membership type
    * @return  the list of roles associated to the membership type and the user identifier
    */
   Set<String> extractRoles(String userId, Set<MembershipEntry> memberships);
}
