001/*
002  GRANITE DATA SERVICES
003  Copyright (C) 2013 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.jmf.codec.std.impl;
022
023import java.io.IOException;
024import java.io.OutputStream;
025import java.util.Date;
026
027import org.granite.messaging.jmf.DumpContext;
028import org.granite.messaging.jmf.InputContext;
029import org.granite.messaging.jmf.JMFEncodingException;
030import org.granite.messaging.jmf.OutputContext;
031import org.granite.messaging.jmf.codec.std.DateCodec;
032
033/**
034 * @author Franck WOLFF
035 */
036public class DateCodecImpl extends AbstractStandardCodec<Date> implements DateCodec {
037
038        public int getObjectType() {
039                return JMF_DATE;
040        }
041
042        public Class<?> getObjectClass() {
043                return Date.class;
044        }
045
046        public void encode(OutputContext ctx, Date v) throws IOException {
047                if (v == null)
048                        throw new JMFEncodingException("Date value must be null");
049                
050                final OutputStream os = ctx.getOutputStream();
051                
052                os.write(JMF_DATE);
053                
054                long t = v.getTime();
055                
056                os.write((int)(t >> 56));
057                os.write((int)(t >> 48));
058                os.write((int)(t >> 40));
059                os.write((int)(t >> 32));
060                os.write((int)(t >> 24));
061                os.write((int)(t >> 16));
062                os.write((int)(t >> 8));
063                os.write((int)t);
064        }
065
066        public Date decode(InputContext ctx, int parameterizedJmfType) throws IOException {
067                int jmfType = ctx.getSharedContext().getCodecRegistry().extractJmfType(parameterizedJmfType);
068                
069                if (jmfType != JMF_DATE)
070                        throw newBadTypeJMFEncodingException(jmfType, parameterizedJmfType);
071                
072                long t = ((long)ctx.safeRead()) << 56;
073                t |= ((long)ctx.safeRead()) << 48;
074                t |= ((long)ctx.safeRead()) << 40;
075                t |= ((long)ctx.safeRead()) << 32;
076                t |= ((long)ctx.safeRead()) << 24;
077                t |= ((long)ctx.safeRead()) << 16;
078                t |= ((long)ctx.safeRead()) << 8;
079                t |= ctx.safeRead();
080                return new Date(t);
081        }
082        
083        public void dump(DumpContext ctx, int parameterizedJmfType) throws IOException {
084                int jmfType = ctx.getSharedContext().getCodecRegistry().extractJmfType(parameterizedJmfType);
085                
086                switch (jmfType) {
087                case JMF_DATE:
088                        ctx.indentPrintLn(Date.class.getName() + ": " + decode(ctx, parameterizedJmfType));
089                        break;
090                default:
091                        throw newBadTypeJMFEncodingException(jmfType, parameterizedJmfType);
092                }
093        }
094}