saveorderaction.java

struts+spring+hibernate的例子

/*
 * Created on Mar 8, 2004
 *
 * (c) 2004, Mark Eagle, [e-mail]
 * relased under terms of the GNU public license 
 * http://www.gnu.org/licenses/licenses.html#TOCGPL
 */
package com.meagle.action;

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

import org.apache.struts.Globals;
import org.apache.struts.action.ActionError;
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 com.meagle.bo.Order;
import com.meagle.bo.OrderLineItem;
import com.meagle.forms.OrderForm;


/**
 * This will save a new order in the database
 * 
 * @author meagle
 */
public class SaveOrderAction extends BaseAction {

	/**
	 * Default constructor
	 */
	public SaveOrderAction() {
		super();
	}

	/**
	 * Implementation for Struts execute
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		javax.servlet.http.HttpServletRequest request,
		javax.servlet.http.HttpServletResponse response)
		throws java.lang.Exception {

		// Assemble the order from the form

		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);

		// delegate the save to the service layer and further upstream
		getOrderService().saveNewOrder(order);
		
		oForm.setOrder(order);
		
		ActionErrors errors = new ActionErrors();
		//errors.add(Globals.ERROR_KEY, new ActionError("message.order.saved.successfully"));
		errors.add(Globals.ERROR_KEY, new ActionError("保存错误"));
		saveErrors(request, errors);

		return mapping.findForward("success");

	}
}