import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket;
import org.apache.commons.httpclient.ProxyClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/examples/ProxyTunnelDemo.java,v 1.2 2004/06/12 22:47:23 olegk Exp $
* $Revision: 155418 $
* $Date: 2005-02-26 14:01:52 +0100 (Sat, 26 Feb 2005) $
* ====================================================================
*
* Copyright 2002-2004 The Apache Software Foundation
*
* Licensed 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
/**
* Example code for using {@link org.apache.commons.httpclient.ProxyClient}.
*
* @author Oleg Kalnichevski
* @author Michael Becke
*/
public class ProxyTunnelDemo {
public static void main(String[] args) throws Exception {
ProxyClient proxyclient = new ProxyClient();
// set the host the proxy should create a connection to
//
// Note: By default port 80 will be used. Some proxies only allow conections
// to ports 443 and 8443. This is because the HTTP CONNECT method was intented
// to be used for tunneling HTTPS.
proxyclient.getHostConfiguration().setHost("www.yahoo.com");
// set the proxy host and port
proxyclient.getHostConfiguration().setProxy("10.0.1.1", 3128);
// set the proxy credentials, only necessary for authenticating proxies
proxyclient.getState().setProxyCredentials(
new AuthScope("10.0.1.1", 3128, null),
new UsernamePasswordCredentials("proxy", "proxy"));
// create the socket
ProxyClient.ConnectResponse response = proxyclient.connect();
if (response.getSocket() != null) {
Socket socket = response.getSocket();
try {
// go ahead and do an HTTP GET using the socket
Writer out = new OutputStreamWriter(
socket.getOutputStream(), "ISO-8859-1");
out.write("GET http://www.yahoo.com/ HTTP/1.1\r\n");
out.write("Host: www.yahoo.com\r\n");
out.write("Agent: whatever\r\n");
out.write("\r\n");
out.flush();
BufferedReader in = new BufferedReader(
new InputStreamReader(socket.getInputStream(), "ISO-8859-1"));
String line = null;
while ((line = in.readLine()) != null) {
System.out.println(line);
}
} finally {
// be sure to close the socket when we're done
socket.close();
}
} else {
// the proxy connect was not successful, check connect method for reasons why
System.out.println("Connect failed: " + response.getConnectMethod().getStatusLine());
System.out.println(response.getConnectMethod().getResponseBodyAsString());
}
}
}