package com.manning.nettyinaction.chapter8; import io.netty.channel.Channel; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInitializer; import io.netty.channel.SimpleChannelInboundHandler; import io.netty.handler.codec.http.HttpObjectAggregator; import io.netty.handler.codec.http.HttpServerCodec; import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame; import io.netty.handler.codec.http.websocketx.ContinuationWebSocketFrame; import io.netty.handler.codec.http.websocketx.TextWebSocketFrame; import io.netty.handler.codec.http.websocketx.WebSocketServerProtocolHandler; /** * @author <a href="mailto:norman.maurer@googlemail.com">Norman Maurer</a> */ public class WebSocketServerInitializer extends ChannelInitializer<Channel> { @Override protected void initChannel(Channel ch) throws Exception { ch.pipeline().addLast( new HttpServerCodec(), new HttpObjectAggregator(65536), new WebSocketServerProtocolHandler("/websocket"), new TextFrameHandler(), new BinaryFrameHandler(), new ContinuationFrameHandler()); } public static final class TextFrameHandler extends SimpleChannelInboundHandler<TextWebSocketFrame> { @Override public void channelRead0(ChannelHandlerContext ctx, TextWebSocketFrame msg) throws Exception { // Handle text frame } } public static final class BinaryFrameHandler extends SimpleChannelInboundHandler<BinaryWebSocketFrame> { @Override public void channelRead0(ChannelHandlerContext ctx, BinaryWebSocketFrame msg) throws Exception { // Handle binary frame } } public static final class ContinuationFrameHandler extends SimpleChannelInboundHandler<ContinuationWebSocketFrame> { @Override public void channelRead0(ChannelHandlerContext ctx, ContinuationWebSocketFrame msg) throws Exception { // Handle continuation frame } } }