com.friz.update.network.codec.XorEncoder.java Source code

Introduction

Here is the source code for com.friz.update.network.codec.XorEncoder.java

Source

/*
 * MultiServer - Multiple Server Communication Application
 * Copyright (C) 2015 Kyle Fricilone
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.friz.update.network.codec;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;

/**
 * Created by Kyle Fricilone on 9/20/2015.
 */
public class XorEncoder extends MessageToByteEncoder<ByteBuf> {

    private int key = 0;

    @Override
    protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) throws Exception {
        while (msg.isReadable()) {
            out.writeByte(msg.readUnsignedByte() ^ key);
        }
    }

    public void setKey(int k) {
        this.key = k;
    }
}