/*
* 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 io.netty.example.spdy.client;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.example.http.snoop.HttpSnoopClientHandler;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaderUtil;
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;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
/**
* This is a modified version of {@link HttpSnoopClientHandler} that uses a {@link BlockingQueue} to wait until an
* HTTPResponse is received.
*/
public class HttpResponseClientHandler extends SimpleChannelInboundHandler<HttpObject> {
private final BlockingQueue<ChannelFuture> queue = new LinkedBlockingQueue<ChannelFuture>();
@Override
public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
System.out.println("STATUS: " + response.status());
System.out.println("VERSION: " + response.protocolVersion());
System.out.println();
if (!response.headers().isEmpty()) {
for (String name : response.headers().names()) {
for (String value : response.headers().getAll(name)) {
System.out.println("HEADER: " + name + " = " + value);
}
}
System.out.println();
}
if (HttpHeaderUtil.isTransferEncodingChunked(response)) {
System.out.println("CHUNKED CONTENT {");
} else {
System.out.println("CONTENT {");
}
}
if (msg instanceof HttpContent) {
HttpContent content = (HttpContent) msg;
System.out.print(content.content().toString(CharsetUtil.UTF_8));
System.out.flush();
if (content instanceof LastHttpContent) {
System.out.println("} END OF CONTENT");
queue.add(ctx.channel().newSucceededFuture());
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
queue.add(ctx.channel().newFailedFuture(cause));
cause.printStackTrace();
ctx.close();
}
public BlockingQueue<ChannelFuture> queue() {
return queue;
}
}