HttpChannelInitializer.java 文件源码

public final ChannelPipeline appendHttpPipeline(ChannelPipeline channelPipeline) {
    // 服务端，对响应编码。属于ChannelOutboundHandler，逆序执行
    channelPipeline.addLast("encoder", new HttpResponseEncoder());

    // 服务端，对请求解码。属于ChannelIntboundHandler，按照顺序执行
    channelPipeline.addLast("decoder", new HttpRequestDecoder());
    //即通过它可以把 HttpMessage 和 HttpContent 聚合成一个 FullHttpRequest,并定义可以接受的数据大小，在文件上传时，可以支持params+multipart
    channelPipeline.addLast("aggregator", new HttpObjectAggregator(maxConentLength));
    //块写入写出Handler
    channelPipeline.addLast("chunkedWriter", new ChunkedWriteHandler());

    // 对传输数据进行压缩，这里在客户端需要解压缩处理
    // channelPipeline.addLast("deflater", new HttpContentCompressor());

    HttpServletHandler servletHandler = new HttpServletHandler();
    servletHandler.addInterceptor(new ChannelInterceptor());
    //servletHandler.addInterceptor(new HttpSessionInterceptor(getHttpSessionStore()));
    // 自定义Handler
    channelPipeline.addLast("handler", servletHandler);
    // 异步
    // channelPipeline.addLast(businessExecutor, new AsyncHttpServletHandler());
    return channelPipeline;
}