saveorderaction.java

用spring+struts+hibernate实现的关于订单的例子

package cn.hxex.order.action;

import java.util.HashSet;
import java.util.Set;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.Globals;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

import cn.hxex.order.bo.Order;
import cn.hxex.order.bo.OrderLineItem;
import cn.hxex.order.exception.OrderException;
import cn.hxex.order.exception.OrderMinimumAmountException;
import cn.hxex.order.forms.OrderForm;

public class SaveOrderAction extends BaseAction{
	/* (non-Javadoc)
	 * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	 */
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,
			HttpServletResponse response) throws OrderException, OrderMinimumAmountException{
		OrderForm oForm=(OrderForm)form;
		Order order=new Order();
		order.setUserName(oForm.getWhoPlacedOrder());
		
		Set lineItems=new HashSet();
		if(oForm.getItemDesc_1()!=null&&oForm.getItemDesc_1().length()>0){
			OrderLineItem item=new OrderLineItem();
			item.setDescription(oForm.getItemDesc_1());
			item.setLineItemPrice(oForm.getItemPrice_1());
			lineItems.add(item);
			item.setOrder(order);
		}
		
		if(oForm.getItemDesc_2()!=null&&oForm.getItemDesc_2().length()>0){
			OrderLineItem item=new OrderLineItem();
			item.setDescription(oForm.getItemDesc_2());
			item.setLineItemPrice(oForm.getItemPrice_2());
			lineItems.add(item);
			item.setOrder(order);
		}
		
		if(oForm.getItemDesc_3()!=null&&oForm.getItemDesc_3().length()>0){
			OrderLineItem item=new OrderLineItem();
			item.setDescription(oForm.getItemDesc_3());
			item.setLineItemPrice(oForm.getItemPrice_3());
			lineItems.add(item);
			item.setOrder(order);
		}
		order.setOrderLineItems(lineItems);
		super.getOrderService().saveNewOrder(order);
		oForm.setOrder(order);
		
		ActionErrors errors=new ActionErrors();
		errors.add(Globals.ERROR_KEY, new ActionMessage("message.order.saved.successfully"));
		return mapping.findForward("success");
		
	}

}