Java tutorial
/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package com.netty.codec.protobuf; import io.netty.channel.ChannelHandler.Sharable; import io.netty.channel.ChannelHandlerAdapter; import io.netty.channel.ChannelHandlerContext; @Sharable public class SubReqServerHandler extends ChannelHandlerAdapter { @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { SubscribeReqProto.SubscribeReq req = (SubscribeReqProto.SubscribeReq) msg; if ("Administrator".equalsIgnoreCase(req.getUserName())) { System.out.println("Service accept client subscribe req : [" + req.toString() + "]"); ctx.writeAndFlush(resp(req.getSubReqID())); } } private SubscribeRespProto.SubscribeResp resp(int subReqID) { SubscribeRespProto.SubscribeResp.Builder builder = SubscribeRespProto.SubscribeResp.newBuilder(); builder.setSubReqID(subReqID); builder.setRespCode(0); builder.setDesc("Netty book order succeed, 3 days later, sent to the designated address"); return builder.build(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { cause.printStackTrace(); ctx.close();// ? } }