Java tutorial
/* * Copyright (c) 2015, Antonio Gabriel Muoz Conejo <antoniogmc at gmail dot com> * Distributed under the terms of the MIT License */ package tonivade.redis; import java.util.logging.Level; import java.util.logging.Logger; import tonivade.redis.protocol.RedisToken; import io.netty.channel.ChannelHandler.Sharable; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInboundHandlerAdapter; import io.netty.util.ReferenceCountUtil; @Sharable public class RedisConnectionHandler extends ChannelInboundHandlerAdapter { private static final Logger LOGGER = Logger.getLogger(RedisConnectionHandler.class.getName()); private final IRedis impl; public RedisConnectionHandler(IRedis impl) { this.impl = impl; } @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { impl.connected(ctx); } @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { try { impl.receive(ctx, (RedisToken) msg); } finally { ReferenceCountUtil.release(msg); } } @Override public void channelInactive(ChannelHandlerContext ctx) throws Exception { LOGGER.log(Level.SEVERE, "channel inactive"); impl.disconnected(ctx); ctx.close(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { LOGGER.log(Level.SEVERE, "uncaught exception", cause); impl.disconnected(ctx); ctx.close(); } }