coffee.java

这是我修读美国卡耐基梅隆大学Carnegie Mellon University（CMU）课程ssd3:Object-Oriented Programming and Design时完成的课程设计

import  java.awt.*;
import  javax.swing.*;

/**
 * This class models a coffee product. It extends
 * {@link Product} and adds the following information:
 * <ol>
 * <li>the origin of the coffee, a <code>String</code></li>
 * <li>the roast of the coffee, a <code>String</li>
 * <li>the flavor of the coffee, a <code>String</li>
 * <li>the aroma of the coffee, a <code>String</li>
 * <li>the acidity of the coffee, a <code>String</li>
 * <li>the body of the product, a <code>double</li>
 * </ol>
 *
 * @author 张维
 * @version  1.0.0
 * @see Product
 */
public class Coffee extends Product  {

	/* Origin of the coffee. */
	private String  origin;

	/* Roast of the coffee. */
	private String  roast;

	/* Flavor of the coffee. */
	private String  flavor;

	/* Aroma of the coffee. */
	private String  aroma;

	/* Acidity of the coffee.*/
	private String  acidity;

	/* Body of the coffee */
	private String  body;

	/**
	 * Constructs a <code>Coffee</code> object.
	 *
	 * @param initialCode  the code of the product.
	 * @param initialDescription  a short description of the product.
	 * @param initialPrice  the price of the product.
	 * @param initialOrigin the origin of coffee.
	 * @param initialRoast the kind of roast of the coffee.
	 * @param initialFlavor  the flavor of the coffee.
	 * @param initialAroma  the aroma of the coffee.
	 * @param initialAcidity  the acidity of the coffee.
	 * @param initialBody  the body of the coffee.
	 */
	public Coffee(String initialCode, String initialDescription,
			double  initialPrice, String initialOrigin,
			String initialRoast, String initialFlavor,
			String initialAroma, String initialAcidity,
			String initialBody) {

		super(initialCode, initialDescription, initialPrice);

		origin = initialOrigin;
		roast = initialRoast;
		flavor = initialFlavor;
		aroma = initialAroma;
		acidity = initialAcidity;
		body = initialBody;
	}

	/**
	 * Returns the origin of this coffee.
	 *
	 * @return  the origin of this coffee.
	 */
	public String  getOrigin()  {

		return  origin;
	}

	/**
	 * Returns the roast of this coffee.
	 *
	 * @return  the roast of this coffee.
	 */
	public String  getRoast()  {

		return  roast;
	}

	/**
	 * Returns the flavor of this coffee.
	 *
	 * @return  the flavor of this coffee.
	 */
	public String  getFlavor()  {

		return  flavor;
	}

	/**
	 * Returns the aroma of this coffee.
	 *
	 * @return  the aroma of this coffee.
	 */
	public String  getAroma()  {

		return  aroma;
	}

	/**
	 * Returns  the acidity of this coffee.
	 *
	 * @return  the acidity of this coffee.
	 */
	public String  getAcidity()  {

		return  acidity;
	}

	/**
	 * Returns the body of this coffee.
	 *
	 * @return  the body of this coffee.
	 */
	public String  getBody()  {

		return  body;
	}

	/**
	 * Returns the string representation of this coffee.
	 *
	 * @return  the string representation of this coffee.
	 */
	public String  toString()  {

		return super.toString() + "_" + getOrigin() + "_" + getRoast() + "_"
		       + getFlavor() + "_" + getAroma()	+ getAcidity() + "_"
		       + getBody();
	}

	/**
	 * Obtains a {@link JPanel} object with the information of this
	 * coffee product.
	 *
	 * @return a {@link JPanel} with the information of this coffee product.
	 */
	public JPanel getPanel() {

    /* Creates a object of class {@link @JPanel} */
		JPanel jpanel = new JPanel();
		jpanel.setLayout(new BorderLayout());
		
		/* Create the components */
    JTextField jtextfield = new JTextField(getCode(), 17);
    JTextField jtextfield1 = new JTextField(getDescription(), 17);
    JTextField jtextfield2 = new JTextField(Double.toString(getPrice()), 17);
    JTextField jtextfield3 = new JTextField(getOrigin(), 17);
    JTextField jtextfield4 = new JTextField(getRoast(), 17);
    JTextField jtextfield5 = new JTextField(getFlavor(), 17);
    JTextField jtextfield6 = new JTextField(getAroma(), 17);
    JTextField jtextfield7 = new JTextField(getAcidity(), 17);
    JTextField jtextfield8 = new JTextField(getBody(), 17);
    
    /* Make the text area un-editable */
    jtextfield.setEditable(false);
    jtextfield1.setEditable(false);
    jtextfield2.setEditable(false);
    jtextfield3.setEditable(false);
    jtextfield4.setEditable(false);
    jtextfield5.setEditable(false);
    jtextfield6.setEditable(false);
    jtextfield7.setEditable(false);
    jtextfield8.setEditable(false);
    
   
    JPanel jpanel1 = new JPanel(new GridLayout(9, 1));
    jpanel1.add(new JLabel("Code:"));
    jpanel1.add(new JLabel("Description: "));
    jpanel1.add(new JLabel("Price:"));
    jpanel1.add(new JLabel("Origin:"));
    jpanel1.add(new JLabel("Roast:"));
    jpanel1.add(new JLabel("Flavor:"));
    jpanel1.add(new JLabel("Aroma:"));
    jpanel1.add(new JLabel("Acidity:"));
    jpanel1.add(new JLabel("Body:"));
        
    JPanel jpanel2 = new JPanel(new GridLayout(9, 1));
    jpanel2.add(jtextfield);
    jpanel2.add(jtextfield1);
    jpanel2.add(jtextfield2);
    jpanel2.add(jtextfield3);
    jpanel2.add(jtextfield4);
    jpanel2.add(jtextfield5);
    jpanel2.add(jtextfield6);
    jpanel2.add(jtextfield7);
    jpanel2.add(jtextfield8);
    
    /* Add components to the container */
    jpanel.add(jpanel1, BorderLayout.CENTER);
    jpanel.add(jpanel2, BorderLayout.EAST);
        
    return jpanel;
	}
}