Java tutorial
/* * Copyright 2014 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.flysoloing.learning.network.netty.spdy.server; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelFutureListener; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.SimpleChannelInboundHandler; import io.netty.handler.codec.http.*; import io.netty.util.CharsetUtil; import java.util.Date; import static io.netty.handler.codec.http.HttpResponseStatus.CONTINUE; import static io.netty.handler.codec.http.HttpResponseStatus.OK; import static io.netty.handler.codec.http.HttpUtil.is100ContinueExpected; import static io.netty.handler.codec.http.HttpUtil.isKeepAlive; import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1; /** * HTTP handler that responds with a "Hello World" */ public class SpdyServerHandler extends SimpleChannelInboundHandler<Object> { @Override public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception { if (msg instanceof HttpRequest) { HttpRequest req = (HttpRequest) msg; if (is100ContinueExpected(req)) { ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE)); } boolean keepAlive = isKeepAlive(req); ByteBuf content = Unpooled.copiedBuffer("Hello World " + new Date(), CharsetUtil.UTF_8); FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content); response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8"); response.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, response.content().readableBytes()); if (!keepAlive) { ctx.write(response).addListener(ChannelFutureListener.CLOSE); } else { response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE); ctx.write(response); } } } @Override public void channelReadComplete(ChannelHandlerContext ctx) { ctx.flush(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { cause.printStackTrace(); ctx.close(); } }