1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.jme3.network.serializing.serializers; 34 35 import com.jme3.network.serializing.Serializer; 36 import com.jme3.network.serializing.SerializerException; 37 import java.io.IOException; 38 import java.nio.ByteBuffer; 39 40 /** 41 * Enum serializer. 42 * 43 * @author Lars Wesselius 44 */ 45 public class EnumSerializer extends Serializer { readObject(ByteBuffer data, Class<T> c)46 public <T> T readObject(ByteBuffer data, Class<T> c) throws IOException { 47 try { 48 int ordinal = data.getInt(); 49 50 if (ordinal == -1) return null; 51 T[] enumConstants = c.getEnumConstants(); 52 if (enumConstants == null) 53 throw new SerializerException( "Class has no enum constants:" + c ); 54 return enumConstants[ordinal]; 55 } catch (IndexOutOfBoundsException ex) { 56 return null; 57 } 58 } 59 writeObject(ByteBuffer buffer, Object object)60 public void writeObject(ByteBuffer buffer, Object object) throws IOException { 61 if (object == null) { 62 buffer.putInt(-1); 63 } else { 64 buffer.putInt(((Enum)object).ordinal()); 65 } 66 } 67 } 68