001/* 002 * Copyright 2006 - 2013 003 * Stefan Balev <stefan.balev@graphstream-project.org> 004 * Julien Baudry <julien.baudry@graphstream-project.org> 005 * Antoine Dutot <antoine.dutot@graphstream-project.org> 006 * Yoann Pigné <yoann.pigne@graphstream-project.org> 007 * Guilhelm Savin <guilhelm.savin@graphstream-project.org> 008 * 009 * This file is part of GraphStream <http://graphstream-project.org>. 010 * 011 * GraphStream is a library whose purpose is to handle static or dynamic 012 * graph, create them from scratch, file or any source and display them. 013 * 014 * This program is free software distributed under the terms of two licenses, the 015 * CeCILL-C license that fits European law, and the GNU Lesser General Public 016 * License. You can use, modify and/ or redistribute the software under the terms 017 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following 018 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by 019 * the Free Software Foundation, either version 3 of the License, or (at your 020 * option) any later version. 021 * 022 * This program is distributed in the hope that it will be useful, but WITHOUT ANY 023 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 024 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 025 * 026 * You should have received a copy of the GNU Lesser General Public License 027 * along with this program. If not, see <http://www.gnu.org/licenses/>. 028 * 029 * The fact that you are presently reading this means that you have had 030 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms. 031 */ 032package org.graphstream.stream.netstream.packing; 033 034/** 035* 036* @file Base64Packer.java 037* @date Dec 14, 2011 038* 039* @author Yoann Pigné 040* 041*/ 042 043import java.nio.ByteBuffer; 044 045 046public class Base64Packer extends NetStreamPacker { 047 048 049 050 /* (non-Javadoc) 051 * @see org.graphstream.stream.netstream.packing.NetStreamPacker#packMessage(java.nio.ByteBuffer, int, int) 052 */ 053 @Override 054 public ByteBuffer packMessage(ByteBuffer buffer, int startIndex, 055 int endIndex) { 056 String encoded = Base64.encodeBytes(buffer.array(),startIndex,endIndex-startIndex); 057 return ByteBuffer.wrap(encoded.getBytes()); 058 } 059 060 /* (non-Javadoc) 061 * @see org.graphstream.stream.netstream.packing.NetStreamPacker#packMessageSize(int) 062 */ 063 @Override 064 public ByteBuffer packMessageSize(int capacity) { 065 ByteBuffer sizeBuffer = ByteBuffer.allocate(4); 066 sizeBuffer.putInt(capacity); 067 String encoded = Base64.encodeBytes(sizeBuffer.array()); 068 return ByteBuffer.wrap(encoded.getBytes()); 069 } 070}