159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.network.serializing.serializers; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.network.serializing.Serializer; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.BufferOverflowException; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.ByteBuffer; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * String serializer. 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Lars Wesselius 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta@SuppressWarnings("unchecked") 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class StringSerializer extends Serializer { 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public String readObject(ByteBuffer data, Class c) throws IOException { 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int length = -1; 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta byte type = data.get(); 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (type == (byte)0) { 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return null; 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else if (type == (byte)1) { 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Byte 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta length = data.get(); 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else if (type == (byte)2) { 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Short 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta length = data.getShort(); 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else if (type == (byte)3) { 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Int 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta length = data.getInt(); 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (length == -1) throw new IOException("Could not read String: Invalid length identifier."); 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta byte[] buffer = new byte[length]; 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data.get(buffer); 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return new String(buffer, "UTF-8"); 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void writeObject(ByteBuffer buffer, Object object) throws IOException { 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta String string = (String)object; 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (string == null) { 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Write that it's 0. 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put((byte)0); 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return; 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta byte[] stringBytes = string.getBytes("UTF-8"); 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int bufferLength = stringBytes.length; 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta try { 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (bufferLength <= Byte.MAX_VALUE) { 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put((byte)1); 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put((byte)bufferLength); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else if (bufferLength <= Short.MAX_VALUE) { 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put((byte)2); 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.putShort((short)bufferLength); 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put((byte)3); 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.putInt(bufferLength); 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta buffer.put(stringBytes); 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta catch (BufferOverflowException e) { 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta e.printStackTrace(); 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 100