Java tutorial
/** * MIT License * * Copyright (c) 2017 Quavo * Copyright (c) 2017 Jordan Abraham * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.quavo.osrs.network.protocol.codec.handshake; import com.quavo.osrs.network.handler.outbound.HandshakeResponse; import com.quavo.osrs.network.protocol.ClientMessage; import com.quavo.osrs.network.protocol.codec.update.UpdateDecoder; import com.quavo.osrs.network.protocol.codec.update.UpdateEncoder; import com.quavo.osrs.network.protocol.codec.update.encrypt.XOREncryptionEncoder; import io.netty.buffer.ByteBuf; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelPipeline; import io.netty.handler.codec.MessageToByteEncoder; /** * @author _jordan <citellumrsps@gmail.com> */ public final class HandshakeEncoder extends MessageToByteEncoder<HandshakeResponse> { /** * Constructs a new object. */ public HandshakeEncoder() { super(HandshakeResponse.class); } @Override protected void encode(ChannelHandlerContext ctx, HandshakeResponse msg, ByteBuf out) throws Exception { ChannelPipeline pipeline = ctx.pipeline(); ClientMessage message = msg.getMessage(); out.writeByte(message.getId()); if (message == ClientMessage.SUCCESSFUL_CONNECTION) { pipeline.addAfter("handshake.decoder", "xor.encrypt", new XOREncryptionEncoder()); pipeline.addAfter("xor.encrypt", "update.encoder", new UpdateEncoder()); pipeline.replace("handshake.decoder", "update.decoder", new UpdateDecoder()); } pipeline.remove(this); } }