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.look.netty.demo.upload; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.SimpleChannelInboundHandler; import io.netty.handler.codec.http.*; import io.netty.util.CharsetUtil; /** * Handler that just dumps the contents of the response from the server */ public class HttpUploadClientHandler extends SimpleChannelInboundHandler<HttpObject> { private boolean readingChunks; @Override public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) { if (msg instanceof HttpResponse) { HttpResponse response = (HttpResponse) msg; System.err.println("STATUS: " + response.status()); System.err.println("VERSION: " + response.protocolVersion()); if (!response.headers().isEmpty()) { for (CharSequence name : response.headers().names()) { for (CharSequence value : response.headers().getAll(name)) { System.err.println("HEADER: " + name + " = " + value); } } } if (response.status().code() == 200 && HttpUtil.isTransferEncodingChunked(response)) { readingChunks = true; System.err.println("CHUNKED CONTENT {"); } else { System.err.println("CONTENT {"); } } if (msg instanceof HttpContent) { HttpContent chunk = (HttpContent) msg; System.err.println(chunk.content().toString(CharsetUtil.UTF_8)); if (chunk instanceof LastHttpContent) { if (readingChunks) { System.err.println("} END OF CHUNKED CONTENT"); } else { System.err.println("} END OF CONTENT"); } readingChunks = false; } else { System.err.println(chunk.content().toString(CharsetUtil.UTF_8)); } } } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { cause.printStackTrace(); ctx.channel().close(); } }