001    /**
002     * $RCSfile: MCRUserFacade.java,v $
003     * $Revision: 1.0 $ $Date: 01.09.2008 10:16:52 $
004     *
005     * This file is part of ** M y C o R e **
006     * Visit our homepage at http://www.mycore.de/ for details.
007     *
008     * This program is free software; you can use it, redistribute it
009     * and / or modify it under the terms of the GNU General Public License
010     * (GPL) as published by the Free Software Foundation; either version 2
011     * of the License or (at your option) any later version.
012     *
013     * This program is distributed in the hope that it will be useful, but
014     * WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016     * GNU General Public License for more details.
017     *
018     * You should have received a copy of the GNU General Public License
019     * along with this program, normally in the file license.txt.
020     * If not, write to the Free Software Foundation Inc.,
021     * 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
022     *
023     **/
024    package org.mycore.user;
025    
026    import java.security.Principal;
027    
028    import org.mycore.common.MCRConfiguration;
029    import org.mycore.common.MCRSessionMgr;
030    
031    public class MCRUserFacade {
032    
033        public static String getCurrentUser() {
034            if (MCRConfiguration.instance().getBoolean("MCR.User.UseWebServer", false)) {
035                Principal p = MCRSessionMgr.getCurrentSession().getUserPrincipal();
036                if (p != null)
037                    return p.getName();
038            }
039            return MCRSessionMgr.getCurrentSession().getCurrentUserID();
040        }
041    
042        public static boolean isUserInGroup(String role) {
043            if (MCRConfiguration.instance().getBoolean("MCR.User.UseWebServer", false)) {
044                Principal p = MCRSessionMgr.getCurrentSession().getUserPrincipal();
045                if (p != null)
046                    return MCRSessionMgr.getCurrentSession().isPrincipalInRole(role);
047            }
048            return MCRUserMgr.instance().getCurrentUser().isMemberOf(new MCRGroup(role));
049        }
050    
051    }