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Chapter 13 Using JavaBeans with JSP

Listing 13.3 SaleEntry.java 

package coreservlets;

/** Simple bean to illustrate the various forms

 *  of jsp:setProperty.

 */

public class SaleEntry {

  private String itemID = "unknown";

  private double discountCode = 1.0;

  private int numItems = 0;

  public String getItemID() {

    return(itemID);

  }

  public void setItemID(String itemID) {

    if (itemID != null) {

      this.itemID = itemID;

    } else {

      this.itemID = "unknown";

    }

  }

  public double getDiscountCode() {

    return(discountCode);

  }

  public void setDiscountCode(double discountCode) {

    this.discountCode = discountCode;

  }

  public int getNumItems() {

    return(numItems);

  }

  public void setNumItems(int numItems) {

    this.numItems = numItems;

  }

  // Replace this with real database lookup.

  public double getItemCost() {

    double cost;

    if (itemID.equals("a1234")) {

      cost = 12.99*getDiscountCode();

    } else {

      cost =  9999;

Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.

Servlet and JSP training courses by book's author: courses.coreservlets.com.