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.messaging.amf.io.util.instantiator;
023    
024    import java.util.ArrayList;
025    import java.util.Collections;
026    import java.util.List;
027    
028    /**
029     * @author Franck WOLFF
030     */
031    public class LongInstantiator extends AbstractInstantiator<Long> {
032    
033            private static final long serialVersionUID = 1L;
034    
035            private static final String U1 = "u1";
036            private static final String U0 = "u0";
037            
038            private static final List<String> orderedFields;
039        static {
040            List<String> of = new ArrayList<String>(1);
041            of.add(U1);
042            of.add(U0);
043            orderedFields = Collections.unmodifiableList(of);
044        }
045    
046        public LongInstantiator() {
047        }
048    
049        @Override
050        public List<String> getOrderedFieldNames() {
051            return orderedFields;
052        }
053    
054        @Override
055        public Long newInstance() {
056            int u1 = (int)((Number)get(U1)).longValue();
057            int u0 = (int)((Number)get(U0)).longValue();
058    
059            return Long.valueOf(((long)u1 << 32) | (u0 & 0xffffffffL));
060        }
061    }