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 */
022package org.granite.messaging.jmf.codec.std.impl.util;
023
024import java.io.IOException;
025import java.io.OutputStream;
026
027import org.granite.messaging.jmf.InputContext;
028import org.granite.messaging.jmf.OutputContext;
029
030/**
031 * @author Franck WOLFF
032 */
033public class FloatUtil {
034
035        // ------------------------------------------------------------------------
036        
037        public static void encodeFloat(OutputContext ctx, float v) throws IOException {
038                final OutputStream os = ctx.getOutputStream();
039                
040                int bits = Float.floatToIntBits(v);
041                os.write(bits >>> 24);
042                os.write(bits >>> 16);
043                os.write(bits >>> 8);
044                os.write(bits);
045        }
046        
047        public static float decodeFloat(InputContext ctx) throws IOException {
048                return Float.intBitsToFloat(
049                        ctx.safeRead() << 24 |
050                        ctx.safeRead() << 16 |
051                        ctx.safeRead() << 8  |
052                        ctx.safeRead()
053                );
054        }
055}