/*
 * TemperatureBean.java Jan 23, 2012
 *
 * Copyright 2012 Uralian. All rights reserved.
 */
package com.uralian.sample;

import java.io.Serializable;
import java.util.Random;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

/**
 * @author Vlad Orzhekhovskiy
 */
@ManagedBean
@SessionScoped
public class TemperatureBean implements Serializable
{
	private static final long serialVersionUID = 1L;
	private static final String[] colors = {"blue", "green", "black", "red"};
	private static final Random rnd = new Random();

	public double celsius = 0;

	public double getCelsius()
	{
		return celsius;
	}

	public void setCelsius(double celsius)
	{
		this.celsius = celsius;
	}

	public double getFahrenheit()
	{
		return celsius / 5 * 9 + 32;
	}

	public void setFahrenheit(double fahrenheit)
	{
		this.celsius = (fahrenheit - 32) * 5 / 9;
	}

	public double getKelvin()
	{
		return celsius + 273;
	}

	public void setKelvin(double kelvin)
	{
		this.celsius = kelvin - 273;
	}

	public String getRandomColor()
	{
		return colors[rnd.nextInt(colors.length)];
	}
}