[Arianne-commits] unrelated-stuff/src/net/sf/arianne/tools/sfxml/download DownloadXmlExport.java, NONE, 1.1

[Hendrik B. <nh...@us...>]

Update of /cvsroot/arianne/unrelated-stuff/src/net/sf/arianne/tools/sfxml/download
In directory sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv17145/src/net/sf/arianne/tools/sfxml/download

Added Files:
	DownloadXmlExport.java 
Log Message:
initial checkin of a program intended to make backups of the forum, tracker and announcements

--- NEW FILE: DownloadXmlExport.java ---
/*
 * $Log: DownloadXmlExport.java,v $
 * Revision 1.1  2010/01/27 23:14:28  nhnb
 * initial checkin of a program intended to make backups of the forum, tracker and announcements
 *
 */
package net.sf.arianne.tools.sfxml.download;

import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;



/**
 * downloads the project xml export from source forge
 *
 * @author hendrik
 */
public class DownloadXmlExport {
	private static final String USER_AGENT = "Hendriks Backup Program";
	private String sessionCookie;

	/**
	 * Posts url encoded data to the server
	 *
	 * @param connection HttpURLConnection
	 * @param data url encoded data
	 * @throws IOException in case of an input/output error
	 */
	private void post(HttpURLConnection connection, String data) throws IOException {
		connection.setDoOutput(true);
		OutputStream os = connection.getOutputStream();
		os.write(data.getBytes());
		os.close();
	}

	/**
	 * sets a custom user agent to allow SF.net to detect this progam.
	 *
	 * @param connection HttpURLConnection
	 */
	private void prepareConnection(HttpURLConnection connection) {
		connection.setRequestProperty("User-Agent", USER_AGENT);
		connection.setInstanceFollowRedirects(false);
	}

	private void login(String username, String password) throws IOException {
		URL url = new URL("https://sourceforge.net/account/login.php");
		HttpURLConnection connection = (HttpURLConnection) url.openConnection();
		prepareConnection(connection);

		post(connection, "form_loginname=" + username + "&form_pw=" + password);
		connection.getInputStream().close();
	}


	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		DownloadXmlExport downloader = new DownloadXmlExport();

		// TODO: Do not read password from command line because of multi user systems
		downloader.login(args[0], args[1]);
	}

}