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
021package org.granite.messaging.amf.io.util.instantiator;
022
023import java.util.ArrayList;
024import java.util.Collections;
025import java.util.List;
026
027/**
028 * @author Franck WOLFF
029 */
030public 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}