net.mcsproject.daemon.network.PacketDecoder.java Source code

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Here is the source code for net.mcsproject.daemon.network.PacketDecoder.java

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/*
 *     MCS - Minecraft Cloud System
 *     Copyright (C) 2016
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Affero General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Affero General Public License for more details.
 *
 *     You should have received a copy of the GNU Affero General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.mcsproject.daemon.network;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufInputStream;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
import lombok.AllArgsConstructor;
import net.mcsproject.daemon.network.packet.Packet;
import net.mcsproject.daemon.network.packet.PacketRegistry;

import java.util.List;

@AllArgsConstructor
public class PacketDecoder extends ByteToMessageDecoder {

    private PacketRegistry packetRegistry;

    @Override
    protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list)
            throws Exception {
        byte id = byteBuf.readByte();

        Packet packet = packetRegistry.getPacketById(id);
        if (packet != null) {
            packet.read(new ByteBufInputStream(byteBuf));
            list.add(packet);
        }
    }

}