001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.tide.cdi;
022    
023    import org.granite.context.GraniteContext;
024    import org.granite.messaging.webapp.HttpGraniteContext;
025    
026    
027    /**
028     * @author William DRAI
029     */
030    public class Identity  {
031    
032        private static final long serialVersionUID = 1L;
033        
034            
035        public String isLoggedIn() {
036            GraniteContext context = GraniteContext.getCurrentInstance();
037            if (context != null && ((HttpGraniteContext)context).getRequest().getUserPrincipal() != null)
038                    return ((HttpGraniteContext)context).getRequest().getUserPrincipal().getName();         
039            return null;
040        }
041        
042        
043        public boolean hasRole(String role) {
044            GraniteContext context = GraniteContext.getCurrentInstance();
045            if (context == null || !(context instanceof HttpGraniteContext))
046                    return false;
047            
048            return ((HttpGraniteContext)context).getRequest().isUserInRole(role);
049        }
050    }