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

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Here is the source code for buildcraft.core.network.serializers.SerializerHashMap.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 java.util.HashMap;
import java.util.Map;
import java.util.Set;

import io.netty.buffer.ByteBuf;

public class SerializerHashMap extends ClassSerializer {

    private static SerializerObject anonymousSerializer = new SerializerObject();

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

        HashMap map = (HashMap) o;

        if (o == null) {
            data.writeBoolean(false);
        } else {
            data.writeBoolean(true);
            data.writeShort(map.size());

            Set<Map.Entry> s = map.entrySet();

            for (Map.Entry e : s) {
                anonymousSerializer.write(data, e.getKey(), context);
                anonymousSerializer.write(data, e.getValue(), context);
            }
        }
    }

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

        if (!data.readBoolean()) {
            return null;
        } else {
            int size = data.readShort();

            HashMap map = new HashMap();

            for (int i = 0; i < size; ++i) {
                Object key = anonymousSerializer.read(data, null, context);
                Object value = anonymousSerializer.read(data, null, context);

                map.put(key, value);
            }

            return map;
        }
    }

}