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HttpSnoopClient.java
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HttpSnoopClient.java
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/*
* 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 org.jboss.netty.handler.ssl.SslContext;
import org.jboss.netty.handler.ssl.util.InsecureTrustManagerFactory;
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 final class HttpSnoopClient {
static final String URL = System.getProperty("url", "http://127.0.0.1:8080/");
public static void main(String[] args) throws Exception {
URI uri = new URI(URL);
String scheme = uri.getScheme() == null? "http" : uri.getScheme();
String host = uri.getHost() == null? "127.0.0.1" : 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;
}
// Configure SSL context if necessary.
final boolean ssl = "https".equalsIgnoreCase(scheme);
final SslContext sslCtx;
if (ssl) {
sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
} else {
sslCtx = null;
}
// Configure the client.
ClientBootstrap bootstrap = new ClientBootstrap(
new NioClientSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool()));
try {
// Set up the event pipeline factory.
bootstrap.setPipelineFactory(new HttpSnoopClientPipelineFactory(sslCtx, host, port));
// Start the connection attempt.
ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
// Wait until the connection attempt succeeds or fails.
Channel channel = future.sync().getChannel();
// Prepare the HTTP request.
HttpRequest request = new DefaultHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
request.headers().set(HttpHeaders.Names.HOST, host);
request.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
request.headers().set(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.headers().set(HttpHeaders.Names.COOKIE, httpCookieEncoder.encode());
// Send the HTTP request.
channel.write(request);
// Wait for the server to close the connection.
channel.getCloseFuture().sync();
} finally {
// Shut down executor threads to exit.
bootstrap.releaseExternalResources();
}
}
}