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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.network.serializing.serializers;
import com.jme3.network.serializing.Serializer;
import com.jme3.network.serializing.SerializerException;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* Enum serializer.
*
* @author Lars Wesselius
*/
public class EnumSerializer extends Serializer {
public <T> T readObject(ByteBuffer data, Class<T> c) throws IOException {
try {
int ordinal = data.getInt();
if (ordinal == -1) return null;
T[] enumConstants = c.getEnumConstants();
if (enumConstants == null)
throw new SerializerException( "Class has no enum constants:" + c );
return enumConstants[ordinal];
} catch (IndexOutOfBoundsException ex) {
return null;
}
}
public void writeObject(ByteBuffer buffer, Object object) throws IOException {
if (object == null) {
buffer.putInt(-1);
} else {
buffer.putInt(((Enum)object).ordinal());
}
}
}
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