/**
 * This class represents a Rectangle.
 *
 * <p>There are two new fields:
 * <br><code>private double height</code>
 * <br><code>private double width</code>
 *
 * @version     3.0, March 2003
 * @author    Shayne Steele  steele@cs.fsu.edu
 */
public class Rectangle
{
    /**
     * define constant for shortest height
     */
    public static final double SHORTEST_HEIGHT = 0.0;

    /**
     * define constant for shortest width
     */
    public static final double SHORTEST_WIDTH = 0.0;

    /**
     * define constant for default height
     */
    public static final double DEFAULT_HEIGHT = 0.0;

    /**
     * define constant for default width
     */
    public static final double DEFAULT_WIDTH = 0.0;

    /**
     * height
     */
    private double height;

    /**
     * width
     */
    private double width;

    /**
     * Set this object's height value.
     * @param height set this object height value to the parameter, 
     * with a minimum size of <code>SHORTEST_HEIGHT</code>
     */
    private void privateSetHeight(double height)
    {
        this.height = (height < SHORTEST_HEIGHT) ? SHORTEST_HEIGHT : height;
    }

    /**
     * Set this object's width value.
     * @param width set this object width value to the parameter,
     * with a minimum size of <code>SHORTEST_WIDTH</code>
     */
    private void privateSetWidth(double width)
    {
        this.width = (width < SHORTEST_WIDTH) ? SHORTEST_WIDTH : width;
    }

    /**
     * Complete constructor.
     * @param height the height
     * @param width the width
     */
    public Rectangle(double height, double width)
    {
        privateSetHeight(height);
        privateSetWidth(width);
    }

    /** 
     * Empty constructor.
     * <p> <code>height</code> and <code>width</code> set to 
     * <code>DEFAULT_HEIGHT</code> and <code>DEFAULT_WIDTH</code> respectivly 
     */
    public Rectangle()
    {
        this(DEFAULT_HEIGHT, DEFAULT_WIDTH);
    }

    /** 
     * Copy constructor.
     * @param rectangle this object will have <code>height</code> and 
     * <code>width</code> set to parameter's values
     */
     public Rectangle(Rectangle rectangle)
    {
        this(rectangle.height, rectangle.width);
    }

    /**
     * This object height value.
     * @return this object height value
     */
    public double getHeight()
    {
        return (height);
    }

    /**
     * This object width value.
     * @return this object width value
     */
    public double getWidth()
    {
        return (width);
    }

    /**
     * Set this object height value.
     * @param height set this object height value to the parameter
     */
    public void setHeight(double height)
    {
        privateSetHeight(height);
    }

    /**
     * Set this object width value.
     * @param width set this object width value to the parameter
     */
    public void setWidth(double width)
    {
        privateSetHeight(height);
    }
 
    /**
     * Complete set.
     * @param height height
     * @param width width
     */
     public void setRectangle(double height, double width)
    {
        setHeight(height);
        setWidth(width);
    }

    /**
     * Empty set.
     * <p> <code>height</code> and <code>width</code> set to 
     * <code>DEFAULT_HEIGHT</code> and <code>DEFAULT_WIDTH</code> respectivly 
     */
    public void setRectangle()
    {
        setRectangle(DEFAULT_HEIGHT, DEFAULT_WIDTH);
    }

    /**
     * Copy set.
     * @param rectangle this object will have <code>height</code> and 
     * <code>width</code> set to parameter's values
     */
    public void setRectangle(Rectangle rectangle)
    {
        setRectangle(rectangle.height, rectangle.width);
    }

    /**
     * The area of this object.
     * @return the area of this object
     */
    public double area()
    {
        return (height * width);
    }

    /**
     * The perimeter of this object.
     * @return the perimeter of this object
     */
    public double perimeter()
    {
        return (2.0 * (height + width));
    }

    /**
     * A String representation of this object. 
     * @return Rectangle[height = value, width = value]
     */
     public String toString()
    {
        return("Rectangle[height = " + height + ", width = " + width + "]");
    }
}