cart.java

Enjoy Web Dev With Tapestry 一书的源代码

package com.ttdev.shop;

import java.util.*;

import org.apache.tapestry.annotations.*;
import org.apache.tapestry.html.*;

public abstract class Cart extends BasePage {
	private Product currentProduct;

	@InjectState("cart")
	public abstract List getCart();
	
	public List getProducts() {
		List cart = getCart();
		List products = new ArrayList();
		for (Iterator iter = cart.iterator(); iter.hasNext();) {
			String productId = (String) iter.next();
			products.add(Catalog.getGlobalCatalog().lookup(productId));
		}
		return products;
	}
	public Product getCurrentProduct() {
		return currentProduct;
	}
	public void setCurrentProduct(Product currentProduct) {
		this.currentProduct = currentProduct;
	}
	public String onCheckout() {
		return "Confirm";
	}
	public String continueShopping() {
		return "Home";
	}
}