/* (non-Javadoc)
* @see gov.nih.nci.cadsr.cdecart.CdeCartUtilInterface#findCartNodes(javax.servlet.http.HttpSession, java.lang.String)
*/
@Override
public List<SearchNode> findCartNodes(HttpSession mySession, String principalName)
throws Exception {
String uid = principalName;
// we shall be after login here, and uid is never null
if (uid == null) {
log.error("........No user found in session in findCartNodes");
throw new AutheticationFailureException("Authenticated user not found in the session");
}
// we want to keep this cart in session not to retrieve it every time
CDECart cdeCart = (CDECart) mySession.getAttribute(CaDSRConstants.CDE_CART);
List<SearchNode> arr = null;
try {
if (cdeCart == null) {
log.info("Object Cart is not found in session: " + principalName);
cdeCart = findCdeCart(mySession, principalName);
} else {
log.info("Object Cart is found in session: " + principalName);
}
// We use either retrieved cart or found in the session cart to build the result for the
// client page
@SuppressWarnings("rawtypes")
Collection col = cdeCart.getDataElements();
arr = buildSearchNodeList(col);
return arr;
} catch (ObjectCartException oce) {
log.error("Exception on cdeCart.getDataElements", oce);
throw oce;
}
}
/**
* Displays CDE Cart.
*
* @param mapping The ActionMapping used to select this instance.
* @param form The optional ActionForm bean for this request.
* @param request The HTTP Request we are processing.
* @param response The HTTP Response we are processing.
* @return
* @throws IOException
* @throws ServletException
*/
public ActionForward displayCDECart(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
try {
NCIUser user = (NCIUser) this.getSessionObject(request, CaDSRConstants.USER_KEY);
if (user != null) {
return mapping.findForward("secureSuccess");
}
// Get the cart in the session
CDECart sessionCart = (CDECart) this.getSessionObject(request, CaDSRConstants.CDE_CART);
Collection<CDECartItem> cartItems = sessionCart.getDataElements();
Collection<CDECartItem> items = new ArrayList<CDECartItem>();
for (Object o : cartItems) {
CDECartItem item = (CDECartItem) o;
item.setPersistedInd(false);
items.add(item);
}
sessionCart.mergeDataElements(items);
this.setSessionObject(request, CaDSRConstants.CDE_CART, sessionCart);
} catch (Exception exp) {
if (log.isErrorEnabled()) {
log.error("Exception on displayCDECart.....", exp);
}
exp.printStackTrace();
}
return mapping.findForward(SUCCESS);
}