/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.web.security;
import org.gatein.wci.security.Credentials;
/**
* The token store is a place where temporary tokens are held.
*
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public interface TokenStore {
/**
* Create a token and returns it. The store state is modified as it retains the token until it is removed either explicitely
* or because the token validity is expired.
*
* @param credentials the credentials
* @return the token key
* @throws IllegalArgumentException if the validity is not greater than zero
* @throws NullPointerException if the payload is null
*/
String createToken(Credentials credentials) throws IllegalArgumentException, NullPointerException;
/**
* Validates a token. If the token is valid it returns the attached credentials. The store state may be modified by the
* removal of the token. The token is removed either if the remove argument is set to true of if the token is not anymore
* valid.
*
* @param tokenKey the token key
* @param remove true if the token must be removed regardless its validity
* @return the attached credentials or null
* @throws NullPointerException if the token key argument is null
*/
Credentials validateToken(String tokenKey, boolean remove) throws NullPointerException;
}