productmanager.java

来自「Begining JSP Web Development外文书籍源代码」· Java 代码 · 共 43 行

package com.wrox.begjsp.arrayexample3;

public class ProductManager {

  private Product[] productList = new Product[3];
  private int productCount; 

  public ProductManager() {
    initializeProductList();
  }

  private void initializeProductList() {
    productList[0] = new Product(1,"Wrox Press Beginning JSP",49.99);
    productList[1] = new Product(2,"Wrox Press Professional JSP",59.99);
    productList[2] = new Product(3,"Wrox Press Beginning Java",39.99);

}


  public Product[] getProductList(){
    return productList;
  }

  public int getProductCount(){
    return productList.length;
  }

  public Product getProductDetails(int prodid) {
    int ProductIndex = -1;
    for(int i=0;i<this.getProductCount();i++) {
      if (prodid == productList[i].getProductId()) {
        ProductIndex = i;
        break; 
      }
    }

    if (ProductIndex != -1) {
      return productList[ProductIndex];
    } else {
      return null;
    }
  }
}