productwebimpl.java

来自「一个优秀的供应商管理系统」· Java 代码 · 共 74 行

package apusic.myshop.product.web;


import java.rmi.RemoteException;
import javax.ejb.FinderException;
import javax.ejb.CreateException;
import java.util.Collection;

import apusic.myshop.product.ejb.ProductHome;
import apusic.myshop.product.ejb.Product;
import apusic.myshop.util.EJBUtil;
import apusic.myshop.util.Debug;

public class ProductWebImpl {

  public ProductWebImpl() { }

  public Product getProduct(String productId) {
    try{
      ProductHome productHome = EJBUtil.getProductHome();
      Product product = productHome.findByProductId(productId);
      return product;
    } catch (RemoteException re) {
      Debug.println("ProductBean: Unable to locate product for item " + productId);
    } catch (FinderException fe) {
      Debug.println("ProductBean: Unable to locate product for item " + productId);
    }
    return null;
  }

  public Collection getProducts(String catalog) {
    try{
      ProductHome productHome = EJBUtil.getProductHome();
      Collection products = productHome.findByCatalog(catalog);
      return products;
    } catch (RemoteException re) {
      Debug.println("ProductBean: Unable to locate product for items " );
    } catch (FinderException fe) {
      Debug.println("ProductBean: Unable to locate product for items " );
    }
    return null;
  }

  public Collection getProducts(int supplier) {
    try{
      ProductHome productHome = EJBUtil.getProductHome();
      Collection products = productHome.findBySupplier(supplier);
      return products;
    } catch (RemoteException re) {
      Debug.println("ProductBean: Unable to locate product for items " );
    } catch (FinderException fe) {
      Debug.println("ProductBean: Unable to locate product for items " );
    }
    return null;
  }

  public void createProduct(String productId,
    String catalog, int supplier, String name,
    String style, double listPrice, double unitCost,
    String picture, String outline, String comment) {

    try{
      ProductHome productHome = EJBUtil.getProductHome();
      productHome.create(productId, catalog, supplier, name, style,
        listPrice, unitCost, picture, outline, comment);
    } catch (RemoteException re) {
      Debug.println("ProductBean: Unable to locate product for items " );
    } catch (CreateException fe) {
      Debug.println("ProductBean: Unable to create product " );
    }

  }

}