buildcraft.core.network.serializers.SerializerObject.java Source code

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Here is the source code for buildcraft.core.network.serializers.SerializerObject.java

Source

/**
 * Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 *
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
package buildcraft.core.network.serializers;

import io.netty.buffer.ByteBuf;

import buildcraft.core.utils.Utils;

public class SerializerObject extends ClassSerializer {

    @Override
    public void write(ByteBuf data, Object o, SerializationContext context)
            throws IllegalArgumentException, IllegalAccessException {

        if (o == null) {
            data.writeBoolean(false);
        } else {
            data.writeBoolean(true);
            Class realClass = o.getClass();

            ClassSerializer delegateMapping;

            if (context.classToId.containsKey(realClass.getCanonicalName())) {
                int index = context.classToId.get(realClass.getCanonicalName()) + 1;
                data.writeByte(index);
                delegateMapping = context.idToClass.get(index - 1);
            } else {
                int index = context.classToId.size() + 1;
                delegateMapping = ClassMapping.get(realClass);
                data.writeByte(index);
                Utils.writeUTF(data, realClass.getCanonicalName());
                context.classToId.put(realClass.getCanonicalName(), context.classToId.size());
                context.idToClass.add(delegateMapping);
            }

            if (delegateMapping instanceof ClassMapping) {
                ((ClassMapping) delegateMapping).writeClass(o, data, context);
            } else {
                delegateMapping.write(data, o, context);
            }
        }
    }

    @Override
    public Object read(ByteBuf data, Object o, SerializationContext context) throws IllegalArgumentException,
            IllegalAccessException, InstantiationException, ClassNotFoundException {

        if (!data.readBoolean()) {
            return null;
        } else {
            int index = data.readByte();

            ClassSerializer delegateMapping;

            if (context.idToClass.size() < index) {
                String className = Utils.readUTF(data);

                Class cls = Class.forName(className);
                delegateMapping = ClassMapping.get(cls);

                context.idToClass.add(ClassMapping.get(cls));
            } else {
                delegateMapping = context.idToClass.get(index - 1);
            }

            if (delegateMapping instanceof ClassMapping) {
                return ((ClassMapping) delegateMapping).readClass(o, data, context);
            } else {
                return delegateMapping.read(data, o, context);
            }
        }
    }

}