1 /* 2 * Copyright 2012 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.example.localecho; 17 18 import io.netty.channel.ChannelHandlerContext; 19 import io.netty.channel.ChannelInboundHandlerAdapter; 20 21 public class LocalEchoServerHandler extends ChannelInboundHandlerAdapter { 22 23 @Override 24 public void channelRead(ChannelHandlerContext ctx, Object msg) { 25 // Write back as received 26 ctx.write(msg); 27 } 28 29 @Override 30 public void channelReadComplete(ChannelHandlerContext ctx) { 31 ctx.flush(); 32 } 33 34 @Override 35 public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { 36 cause.printStackTrace(); 37 ctx.close(); 38 } 39 }