/*
* 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 org.jboss.netty.example.http.snoop;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
import org.jboss.netty.handler.codec.http.CookieEncoder;
import org.jboss.netty.handler.codec.http.DefaultHttpRequest;
import org.jboss.netty.handler.codec.http.HttpHeaders;
import org.jboss.netty.handler.codec.http.HttpMethod;
import org.jboss.netty.handler.codec.http.HttpRequest;
import org.jboss.netty.handler.codec.http.HttpVersion;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.concurrent.Executors;
/**
* A simple HTTP client that prints out the content of the HTTP response to
* {@link System#out} to test {@link HttpSnoopServer}.
*/
public class HttpSnoopClient {
private final URI uri;
public HttpSnoopClient(URI uri) {
this.uri = uri;
}
public void run() {
String scheme = uri.getScheme() == null? "http" : uri.getScheme();
String host = uri.getHost() == null? "localhost" : uri.getHost();
int port = uri.getPort();
if (port == -1) {
if ("http".equalsIgnoreCase(scheme)) {
port = 80;
} else if ("https".equalsIgnoreCase(scheme)) {
port = 443;
}
}
if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
System.err.println("Only HTTP(S) is supported.");
return;
}
boolean ssl = "https".equalsIgnoreCase(scheme);
// Configure the client.
ClientBootstrap bootstrap = new ClientBootstrap(
new NioClientSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool()));
// Set up the event pipeline factory.
bootstrap.setPipelineFactory(new HttpSnoopClientPipelineFactory(ssl));
// Start the connection attempt.
ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
// Wait until the connection attempt succeeds or fails.
Channel channel = future.awaitUninterruptibly().getChannel();
if (!future.isSuccess()) {
future.getCause().printStackTrace();
bootstrap.releaseExternalResources();
return;
}
// Prepare the HTTP request.
HttpRequest request = new DefaultHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
request.setHeader(HttpHeaders.Names.HOST, host);
request.setHeader(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
request.setHeader(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
// Set some example cookies.
CookieEncoder httpCookieEncoder = new CookieEncoder(false);
httpCookieEncoder.addCookie("my-cookie", "foo");
httpCookieEncoder.addCookie("another-cookie", "bar");
request.setHeader(HttpHeaders.Names.COOKIE, httpCookieEncoder.encode());
// Send the HTTP request.
channel.write(request);
// Wait for the server to close the connection.
channel.getCloseFuture().awaitUninterruptibly();
// Shut down executor threads to exit.
bootstrap.releaseExternalResources();
}
public static void main(String[] args) throws Exception {
if (args.length != 1) {
System.err.println(
"Usage: " + HttpSnoopClient.class.getSimpleName() +
" <URL>");
return;
}
URI uri = new URI(args[0]);
new HttpSnoopClient(uri).run();
}
}