io.netty.example.http.upload.HttpUploadClientHandler Maven / Gradle / Ivy
/*
* 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 io.netty.example.http.upload;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.util.CharsetUtil;
/**
* Handler that just dumps the contents of the response from the server
*/
public class HttpUploadClientHandler extends SimpleChannelInboundHandler {
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();
}
}