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.exceptions.ResponseException; import com.ibasco.agql.protocols.valve.source.query.SourceRconResponse; import com.ibasco.agql.protocols.valve.source.query.SourceRconResponsePacket; import com.ibasco.agql.protocols.valve.source.query.exceptions.SourceRconExecutionException; import com.ibasco.agql.protocols.valve.source.query.packets.response.SourceRconAuthResponsePacket; import com.ibasco.agql.protocols.valve.source.query.packets.response.SourceRconCmdResponsePacket; import com.ibasco.agql.protocols.valve.source.query.response.SourceRconAuthResponse; import com.ibasco.agql.protocols.valve.source.query.response.SourceRconCmdResponse; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.SimpleChannelInboundHandler; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.net.InetSocketAddress; import java.util.function.BiConsumer; public class SourceRconResponseRouter extends SimpleChannelInboundHandler<Object> { private static final Logger log = LoggerFactory.getLogger(SourceRconResponseRouter.class); private BiConsumer<SourceRconResponse, Throwable> responseCallback; public SourceRconResponseRouter(BiConsumer<SourceRconResponse, Throwable> responseCallback) { this.responseCallback = responseCallback; } @SuppressWarnings("unchecked") @Override protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception { SourceRconResponse response = null; if (msg instanceof SourceRconAuthResponsePacket) { response = new SourceRconAuthResponse(); } else if (msg instanceof SourceRconCmdResponsePacket) { response = new SourceRconCmdResponse(); } else if (msg instanceof ResponseException) { log.debug("Received response exception. Passing to messenger"); responseCallback.accept(null, (ResponseException) msg); return; } if (response != null) { SourceRconResponsePacket packet = (SourceRconResponsePacket) msg; response.setSender((InetSocketAddress) ctx.channel().remoteAddress()); response.setRecipient((InetSocketAddress) ctx.channel().localAddress()); response.setRequestId(packet.getId()); response.setResponsePacket(packet); log.debug("Response Processed. Sending back to the messenger : '{}={}'", response.getClass().getSimpleName(), response.sender()); responseCallback.accept(response, null); } else responseCallback.accept(null, new SourceRconExecutionException("Invalid response received")); } }