NoOpLdapAuthoritiesPopulator.java

/*
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License, version 2.1 as published by the Free Software Foundation. You should have received a copy of the GNU
 * Lesser General Public License along with this program; if not, you can obtain a copy at
 * http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html or from the Free Software Foundation, Inc., 51 Franklin
 * Street, Fifth Floor, Boston, MA 02110-1301 USA. 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. Copyright 2007 - 2009 Pentaho Corporation. All rights
 * reserved.
 */
package org.pentaho.platform.plugin.services.security.userrole.ldap;

import org.springframework.ldap.core.DirContextOperations;
import org.springframework.security.GrantedAuthority;
import org.springframework.security.ldap.LdapAuthoritiesPopulator;

/**
 * For use when authorities are stored in the user object (e.g. <code>objectClass=Person</code>) and therefore retrieved
 * by an <code>UserDetailsContextMapper</code> instance. This class helps since <code>LdapUserDetailsService</code>
 * requires a non-null <code>LdapAuthoritiesPopulator</code> instance.
 * <p>
 * <code>LdapAuthenticationProvider</code> actually defines a <code>NullLdapAuthoritiesPopulator</code> which does the
 * same thing as this class. Unfortunately, <code>NullLdapAuthoritiesPopulator</code> is not visible outside of
 * <code>LdapAuthenticationProvider</code>.
 * </p>
 * 
 * @author mlowery
 */
public class NoOpLdapAuthoritiesPopulator implements LdapAuthoritiesPopulator {

  public GrantedAuthority[] getGrantedAuthorities(DirContextOperations userDetails, String username) {
    return new GrantedAuthority[0];
  }

}