/*
* 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.ChannelInboundMessageHandlerAdapter;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.util.CharsetUtil;
import java.util.logging.Logger;
/**
* Handler that just dumps the contents of the response from the server
*/
public class HttpUploadClientHandler extends ChannelInboundMessageHandlerAdapter<Object> {
private static final Logger logger = Logger.getLogger(HttpUploadClientHandler.class.getName());
private boolean readingChunks;
@Override
public void messageReceived(ChannelHandlerContext ctx, Object msg) throws Exception {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
logger.info("STATUS: " + response.getStatus());
logger.info("VERSION: " + response.getProtocolVersion());
if (!response.headers().isEmpty()) {
for (String name : response.headers().names()) {
for (String value : response.headers().getAll(name)) {
logger.info("HEADER: " + name + " = " + value);
}
}
}
if (response.getStatus().code() == 200 && HttpHeaders.isTransferEncodingChunked(response)) {
readingChunks = true;
logger.info("CHUNKED CONTENT {");
} else {
logger.info("CONTENT {");
}
}
if (msg instanceof HttpContent) {
HttpContent chunk = (HttpContent) msg;
logger.info(chunk.data().toString(CharsetUtil.UTF_8));
if (chunk instanceof LastHttpContent) {
if (readingChunks) {
logger.info("} END OF CHUNKED CONTENT");
} else {
logger.info("} END OF CONTENT");
}
readingChunks = false;
} else {
logger.info(chunk.data().toString(CharsetUtil.UTF_8));
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
cause.printStackTrace();
ctx.channel().close();
}
}