Java tutorial
/* * MIT License * * Copyright (c) 2016 Asynchronous Game Query Library * * 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 NON INFRINGEMENT. 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.ibasco.agql.protocols.valve.source.query.handlers; import com.ibasco.agql.core.AbstractPacketBuilder; import com.ibasco.agql.core.transport.handlers.AbstractRequestEncoder; import com.ibasco.agql.protocols.valve.source.query.SourceRequestPacket; import com.ibasco.agql.protocols.valve.source.query.SourceServerPacket; import com.ibasco.agql.protocols.valve.source.query.SourceServerRequest; import io.netty.buffer.ByteBuf; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.socket.DatagramPacket; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.List; /** * Created by raffy on 9/17/2016. */ public class SourceQueryRequestEncoder extends AbstractRequestEncoder<SourceServerRequest, SourceServerPacket> { private static final Logger log = LoggerFactory.getLogger(SourceQueryRequestEncoder.class); public SourceQueryRequestEncoder(AbstractPacketBuilder<SourceServerPacket> builder) { super(builder); } @Override protected void encode(ChannelHandlerContext ctx, SourceServerRequest request, List<Object> out) throws Exception { SourceRequestPacket packet = request.getMessage(); byte[] deconstructedPacket = builder.deconstruct(packet); if (deconstructedPacket != null && deconstructedPacket.length > 0) { ByteBuf buffer = ctx.alloc().buffer(deconstructedPacket.length).writeBytes(deconstructedPacket); out.add(new DatagramPacket(buffer, request.recipient())); } } }