PiwikTracker.java

package net.ftb.tracking.piwik;

import java.awt.HeadlessException;
import java.awt.Toolkit;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Calendar;
import java.util.Random;
import java.util.UUID;

import com.google.common.hash.Hashing;

import net.ftb.data.Constants;
import net.ftb.data.Settings;
import net.ftb.log.Logger;

public class PiwikTracker extends Thread
{
	private final String thingToTrack, urlFrom;
	private String extraParamaters = new String();

	public PiwikTracker (String thingToTrack, String urlFrom)
	{
		this.thingToTrack = thingToTrack;
		this.urlFrom = urlFrom;
		this.extraParamaters = "";
	}

	public void addExtraPair (String key, String value)
	{
		extraParamaters += "&" + PiwikUtils.addPair(key, value);
	}

	public void newSession ()
	{
		extraParamaters += "&new_visit=1";
	}

	@Override
	public void run ()
	{
		HttpURLConnection con = null;
		try
		{
			// TODO make this not dependent on having a headed server!!
			if (Settings.getSettings().getGeneratedID() == null || Settings.getSettings().getGeneratedID().isEmpty())
			{
				Settings.getSettings().setGeneratedID(Hashing.md5().hashUnencodedChars(UUID.randomUUID().toString()).toString().substring(0, 16));
			}// TODO this needs to put bits, and the OS version in the UA data properly!!
			if (thingToTrack.startsWith("Launcher Start v"))
			{
				newSession();
			}
			Calendar time = Calendar.getInstance();

			String s = "http://stats.feed-the-beast.com/piwik.php?action_name=" + PiwikUtils.urlEncode(thingToTrack) + extraParamaters + "&url=" + PiwikUtils.urlEncode(urlFrom) + "&idsite=6&%20rand=" + new Random().nextInt(999999) + "&%20h=" + time.get(Calendar.HOUR_OF_DAY) + " &%20m=" + time.get(Calendar.MINUTE) + "&%20s=" + time.get(Calendar.SECOND) + "%20" + "&rec=1&%20apiv=1&%20cookie=%20&%20urlref=http://feed-the-beast.com%20" + "&_id=" + Settings.getSettings().getGeneratedID() + "%20&res=" + (int)Toolkit.getDefaultToolkit().getScreenSize().getWidth() + "x" + (int)Toolkit.getDefaultToolkit().getScreenSize().getHeight() + "&_cvar={1:[\"Launcher_Version\",\"" + Constants.version + "\"]}&ua=" + "Java/" + PiwikUtils.urlEncode(System.getProperty("java.version")) + " (" + PiwikUtils.urlEncode(System.getProperty("os.name")) + "; " + PiwikUtils.urlEncode(System.getProperty("os.arch")) + ")" + "&";
			extraParamaters = "";
			con = (HttpURLConnection)new URL(s).openConnection();
			con.setRequestMethod("GET");
			int result = con.getResponseCode();
			if (result != 200)
			{
				Logger.logDebug("Tracker request failed. Return code: " + result);
			}
		}
		catch (MalformedURLException e)
		{
			Logger.logDebug("Malformed Tracker URL", e);
		}
		catch (HeadlessException e)
		{
			Logger.logDebug("Headless Exception from Piwik", e);
		}
		catch (IOException e)
		{
			Logger.logDebug("Error Contacting tracking server", e);
		}
		finally
		{
			if (con != null)
			{
				con.disconnect();
			}
		}
	}
}