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.ejb;
022    
023    import java.io.Serializable;
024    
025    import org.granite.context.GraniteContext;
026    import org.granite.messaging.webapp.HttpGraniteContext;
027    
028    
029    /**
030     * @author William DRAI
031     */
032    public class EjbIdentity implements Serializable {
033    
034        private static final long serialVersionUID = 1L;
035        
036            
037        public String isLoggedIn() {
038            GraniteContext context = GraniteContext.getCurrentInstance();
039            if (context != null && ((HttpGraniteContext)context).getRequest().getUserPrincipal() != null)
040                    return ((HttpGraniteContext)context).getRequest().getUserPrincipal().getName();         
041            return null;
042        }
043        
044        
045        public boolean hasRole(String role) {
046            GraniteContext context = GraniteContext.getCurrentInstance();
047            if (context == null || !(context instanceof HttpGraniteContext))
048                    return false;
049            
050            return ((HttpGraniteContext)context).getRequest().isUserInRole(role);
051        }
052    }