orderdealaction.java

来自「1.DATABASE目录下存放的是网上购书系统的数据库脚本文件以及相应的jdat」· Java 代码 · 共 69 行

package shopping.action;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import java.util.List;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import bookstoreejb.*;
import java.util.Collection;
import java.util.Iterator;
public class OrderDealAction
    extends Action {
  public ActionForward perform(ActionMapping actionMapping,
                               ActionForm actionForm,
                               HttpServletRequest httpServletRequest,
                               HttpServletResponse httpServletResponse) {
    HttpSession session = httpServletRequest.getSession(false);
    String buttonViewOrder = httpServletRequest.getParameter("vieworder");
    String orderId = httpServletRequest.getParameter("orderId");
    if (buttonViewOrder != null) {
      try {
        InitialContext initialContext = new InitialContext();
        Object object = initialContext.lookup("facade");
        facadeHome fHome = (facadeHome) PortableRemoteObject.narrow(object,
            facadeHome.class);
        facade facadeInstance = fHome.create();
        Collection collection = facadeInstance.getAllOrder();
        Iterator iterator = collection.iterator();
        session.setAttribute("allorder",iterator);
      }
      catch (javax.naming.NamingException namingException) {
        namingException.printStackTrace();
      }
      catch (java.rmi.RemoteException remoteException) {
        remoteException.printStackTrace();
      }
      catch (javax.ejb.CreateException createException) {
        createException.printStackTrace();
      }
    }else if(orderId!=null){
      try {
        InitialContext initialContext = new InitialContext();
        Object object = initialContext.lookup("facade");
        facadeHome fHome = (facadeHome) PortableRemoteObject.narrow(object,
            facadeHome.class);
        facade facadeInstance = fHome.create();
//the following sentence need to delete the specified order
//
        facadeInstance.deleteOrder(orderId);
//
        Collection collection = facadeInstance.getAllOrder();
        Iterator iterator = collection.iterator();
        session.setAttribute("allorder",iterator);
      }
      catch (javax.naming.NamingException namingException) {
        namingException.printStackTrace();
      }
      catch (java.rmi.RemoteException remoteException) {
        remoteException.printStackTrace();
      }
      catch (javax.ejb.CreateException createException) {
        createException.printStackTrace();
      }
    }

    return actionMapping.findForward("allorder");
  }
}