VisitorData.java

/*
 * This file is part of FTB Launcher.
 *
 * Copyright © 2012-2013, 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;

import java.security.SecureRandom;

public class VisitorData
{
	private int visitorId;
	private long timestampFirst;
	private long timestampPrevious;
	private long timestampCurrent;
	private int visits;

	VisitorData (int visitorId, long timestampFirst, long timestampPrevious, long timestampCurrent, int visits)
	{
		this.visitorId = visitorId;
		this.timestampFirst = timestampFirst;
		this.timestampPrevious = timestampPrevious;
		this.timestampCurrent = timestampCurrent;
		this.visits = visits;
	}

	public void resetSession ()
	{
		long now = now();
		this.timestampPrevious = this.timestampCurrent;
		this.timestampCurrent = now;
		this.visits++;
	}

	private static long now ()
	{
		return System.currentTimeMillis() / 1000L;
	}

	public int getVisitorId ()
	{
		return visitorId;
	}

	public long getTimestampFirst ()
	{
		return timestampFirst;
	}

	public long getTimestampPrevious ()
	{
		return timestampPrevious;
	}

	public long getTimestampCurrent ()
	{
		return timestampCurrent;
	}

	public int getVisits ()
	{
		return visits;
	}

	/**
	 * initializes a new visitor data, with new visitorid
	 */
	public static VisitorData newVisitor ()
	{
		int visitorId = (new SecureRandom().nextInt() & 0x7FFFFFFF);
		long now = now();
		return new VisitorData(visitorId, now, now, now, 1);
	}

	public static VisitorData newSession (int visitorId, long timestampfirst, long timestamplast, int visits)
	{
		long now = now();
		return new VisitorData(visitorId, timestampfirst, timestamplast, now, visits + 1);
	}
}