?? getitemdetailaction.java
字號:
package netstore.catalog;
import javax.servlet.http.*;
import org.apache.struts.action.*;
import netstore.framework.exceptions.BaseException;
import netstore.framework.NetstoreBaseAction;
import netstore.businessobjects.Item;
import netstore.framework.util.IConstants;
import netstore.service.INetstoreService;
/**
* An action that gets an Item based on an id parameter in the request and
* then inserts the item into an ActionForm and forwards to whatever
* path is defined as Success for this action mapping.
*/
public class GetItemDetailAction extends NetstoreBaseAction {
public ActionForward execute( ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response )
throws Exception {
// Get the primary key of the item from the request
Long itemId =new Long( request.getParameter( IConstants.ID_KEY ));
// Call the netstore service and ask it for an Item
INetstoreService serviceImpl = getNetstoreService();
Item item = serviceImpl.getItemById( itemId );
// Set the returned Item into the Dynamic Action Form
// The parameter name 'view' is what is defined in the struts-config
((DynaActionForm)form).set("view", item);
// Return the ActionForward that is defined for the success condition
return mapping.findForward( IConstants.SUCCESS_KEY );
}
}
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