AnalyticsDispatcher.java

/*
 * This file is part of FTB Launcher.
 *
 * Copyright © 2012-2014, FTB Launcher Contributors <https://github.com/Slowpoke101/FTBLaunch/>
 * FTB Launcher is 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.
 */
package net.ftb.tracking.google.dispatch;

import java.net.URI;

import net.ftb.log.Logger;

public abstract class AnalyticsDispatcher
{
	private String userAgent;
	private String host;
	private int port;

	public AnalyticsDispatcher (String userAgent, String host, int port)
	{
		this.userAgent = userAgent;
		this.host = host;
		this.port = port;
	}

	public void dispatch (String analyticsString)
	{
		URI uri = URI.create(analyticsString);
		String timeDispatched = getQueryParameter(uri.getQuery(), "utmht");
		if (timeDispatched != null)
		{
			try
			{
				Long time = Long.parseLong(timeDispatched);
				analyticsString = analyticsString + "&utmqt=" + (System.currentTimeMillis() - time);
			}
			catch (NumberFormatException e)
			{
				Logger.logError("Error parsing utmht parameter: ", e);
			}
		}
		else
		{
			Logger.logWarn("Unable to find utmht parameter: " + analyticsString);
		}
		dispatchToNetwork(analyticsString);
	}

	protected abstract void dispatchToNetwork (String analyticsString);

	protected static String getQueryParameter (String query, String parameter)
	{
		String[] params = query.split("&");
		for(String param : params)
		{
			String[] nameValue = param.split("=");
			if (nameValue[0].equals(parameter))
			{
				return nameValue[1];
			}
		}
		return null;
	}
}