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.messaging.amf.io.util.instantiator;
022    
023    import java.util.ArrayList;
024    import java.util.Collections;
025    import java.util.List;
026    
027    /**
028     * @author Franck WOLFF
029     */
030    public class LongInstantiator extends AbstractInstantiator<Long> {
031    
032            private static final long serialVersionUID = 1L;
033    
034            private static final String U1 = "u1";
035            private static final String U0 = "u0";
036            
037            private static final List<String> orderedFields;
038        static {
039            List<String> of = new ArrayList<String>(1);
040            of.add(U1);
041            of.add(U0);
042            orderedFields = Collections.unmodifiableList(of);
043        }
044    
045        public LongInstantiator() {
046        }
047    
048        @Override
049        public List<String> getOrderedFieldNames() {
050            return orderedFields;
051        }
052    
053        @Override
054        public Long newInstance() {
055            int u1 = (int)((Number)get(U1)).longValue();
056            int u0 = (int)((Number)get(U0)).longValue();
057    
058            return Long.valueOf(((long)u1 << 32) | (u0 & 0xffffffffL));
059        }
060    }