001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.tide.cdi;
023    
024    import org.granite.context.GraniteContext;
025    import org.granite.messaging.webapp.HttpGraniteContext;
026    
027    
028    /**
029     * @author William DRAI
030     */
031    public class Identity  {
032            
033        public String isLoggedIn() {
034            GraniteContext context = GraniteContext.getCurrentInstance();
035            if (context != null && ((HttpGraniteContext)context).getRequest().getUserPrincipal() != null)
036                    return ((HttpGraniteContext)context).getRequest().getUserPrincipal().getName();         
037            return null;
038        }
039        
040        
041        public boolean hasRole(String role) {
042            GraniteContext context = GraniteContext.getCurrentInstance();
043            if (context == null || !(context instanceof HttpGraniteContext))
044                    return false;
045            
046            return ((HttpGraniteContext)context).getRequest().isUserInRole(role);
047        }
048    }