/*
* $Header: /home/cvspublic/jakarta-commons/httpclient/src/examples/CustomHttpConnection.java,v 1.2 2003/02/13 09:14:43 oglueck Exp $
* $Revision: 1.2 $
* $Date: 2003/02/13 09:14:43 $
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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*
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* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
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* Foundation" must not be used to endorse or promote products derived
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import org.apache.commons.httpclient.HttpConnection;
import org.apache.commons.httpclient.HttpState;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.URI;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.protocol.Protocol;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.ConnectMethod;
/**
* This example demonstrates how to establishing connection to an HTTP server
* when higher level of control is desired
*
* @author Armando Anton
* @author Oleg Kalnichevski
*/
public class CustomHttpConnection
{
public static void main(String[] args) throws Exception
{
if (args.length != 1)
{
System.err.println("Usage: java CustomHttpConnection <url>");
System.err.println("<url> The url of a webpage");
System.exit(1);
}
URI uri = new URI(args[0].toCharArray()); // i like this constructor :)
String schema = uri.getScheme();
if ((schema == null) || (schema.equals("")))
{
schema = "http";
}
Protocol protocol = Protocol.getProtocol(schema);
HttpState state = new HttpState();
HttpMethod method = new GetMethod(uri.toString());
String host = uri.getHost();
int port = uri.getPort();
HttpConnection connection = new HttpConnection(host, port, protocol);
connection.setProxyHost(System.getProperty("http.proxyHost"));
connection.setProxyPort( Integer.parseInt(System.getProperty("http.proxyPort","80")));
if (System.getProperty("http.proxyUserName") != null)
{
state.setProxyCredentials(null,
new UsernamePasswordCredentials(
System.getProperty("http.proxyUserName"),
System.getProperty("http.proxyPassword")));
}
if (connection.isProxied() && connection.isSecure()) {
method = new ConnectMethod(method);
}
method.execute(state, connection);
if (method.getStatusCode() == HttpStatus.SC_OK) {
System.out.println(method.getResponseBodyAsString());
} else {
System.out.println("Unexpected failure: " + method.getStatusLine().toString());
}
method.releaseConnection();
}
}