private ItemDataBean copyItemDataBean(ItemDataBean src) {
    ItemDataBean result = new ItemDataBean();
    result.setEventCRFId(src.getEventCRFId());
    result.setItemId(src.getItemId());
    result.setValue(src.getValue());
    result.setOrdinal(src.getOrdinal());
    result.setSelected(src.isSelected());
    result.setAuditLog(src.isAuditLog());
    result.setCreatedDate(src.getCreatedDate());
    result.setUpdatedDate(src.getUpdatedDate());
    result.setOwner(src.getOwner());
    result.setOwnerId(src.getOwnerId());
    result.setUpdater(src.getUpdater());
    result.setUpdaterId(src.getUpdaterId());
    result.setStatus(src.getStatus());

    return result;
  }
  protected boolean writeToDB(
      ItemBean ib,
      ItemFormMetadataBean ifm,
      ItemDataBean idb,
      String exp,
      String value,
      StringBuffer err) {
    ItemDataDAO iddao = new ItemDataDAO(sm.getDataSource());
    NumberFormat nf = NumberFormat.getInstance();

    if (idb == null) {
      idb = new ItemDataBean();
    }

    ItemDataType idt = ib.getDataType();
    if (value == null || value.length() == 0) {
      if (idb.isActive() && !"".equals(idb.getValue())) {
        idb.setValue("<erased>");
      } else {
        idb.setValue("");
      }
      err.append("Result is empty in" + " " + exp + "; ");
    } else {
      idb.setValue(this.getMathContextValue(value, ifm, idt, err));
    }

    idb.setStatus(Status.UNAVAILABLE);
    // idb.setNeedsRecalc(false);
    if (!idb.isActive()) {
      // will this need to change for double data entry?
      idb.setCreatedDate(new Date());
      idb.setOwner(ub);
      idb.setItemId(ib.getId());
      idb.setEventCRFId(ecb.getId());

      idb = (ItemDataBean) iddao.create(idb);
    } else {
      idb = (ItemDataBean) iddao.update(idb);
    }

    return idb.isActive();
  }
  @Override
  public void processRequest() throws Exception {
    FormProcessor fp = new FormProcessor(request);
    int studySubId = fp.getInt(STUDY_SUB_ID, true);
    int eventCRFId = fp.getInt(EVENT_CRF_ID);

    String action = request.getParameter("action");

    StudyEventDAO sedao = new StudyEventDAO(sm.getDataSource());
    StudySubjectDAO subdao = new StudySubjectDAO(sm.getDataSource());
    EventCRFDAO ecdao = new EventCRFDAO(sm.getDataSource());
    StudyDAO sdao = new StudyDAO(sm.getDataSource());

    if (eventCRFId == 0) {
      addPageMessage(respage.getString("please_choose_an_event_CRF_to_delete"));
      request.setAttribute("id", new Integer(studySubId).toString());
      forwardPage(Page.VIEW_STUDY_SUBJECT_SERVLET);
    } else {
      EventCRFBean eventCRF = (EventCRFBean) ecdao.findByPK(eventCRFId);

      StudySubjectBean studySub = (StudySubjectBean) subdao.findByPK(studySubId);
      request.setAttribute("studySub", studySub);

      // construct info needed on view event crf page
      CRFDAO cdao = new CRFDAO(sm.getDataSource());
      CRFVersionDAO cvdao = new CRFVersionDAO(sm.getDataSource());

      int crfVersionId = eventCRF.getCRFVersionId();
      CRFBean cb = cdao.findByVersionId(crfVersionId);
      eventCRF.setCrf(cb);

      CRFVersionBean cvb = (CRFVersionBean) cvdao.findByPK(crfVersionId);
      eventCRF.setCrfVersion(cvb);

      // then get the definition so we can call
      // DisplayEventCRFBean.setFlags
      int studyEventId = eventCRF.getStudyEventId();

      StudyEventBean event = (StudyEventBean) sedao.findByPK(studyEventId);

      int studyEventDefinitionId = sedao.getDefinitionIdFromStudyEventId(studyEventId);
      StudyEventDefinitionDAO seddao = new StudyEventDefinitionDAO(sm.getDataSource());
      StudyEventDefinitionBean sed =
          (StudyEventDefinitionBean) seddao.findByPK(studyEventDefinitionId);
      event.setStudyEventDefinition(sed);
      request.setAttribute("event", event);

      EventDefinitionCRFDAO edcdao = new EventDefinitionCRFDAO(sm.getDataSource());

      StudyBean study = (StudyBean) sdao.findByPK(studySub.getStudyId());
      EventDefinitionCRFBean edc =
          edcdao.findByStudyEventDefinitionIdAndCRFId(study, studyEventDefinitionId, cb.getId());

      DisplayEventCRFBean dec = new DisplayEventCRFBean();
      dec.setEventCRF(eventCRF);
      dec.setFlags(eventCRF, ub, currentRole, edc.isDoubleEntry());

      // find all item data
      ItemDataDAO iddao = new ItemDataDAO(sm.getDataSource());
      dnDao = new DiscrepancyNoteDAO(sm.getDataSource());
      ArrayList<ItemDataBean> itemData = iddao.findAllByEventCRFId(eventCRF.getId());
      request.setAttribute("items", itemData);

      if ("confirm".equalsIgnoreCase(action)) {

        request.setAttribute("displayEventCRF", dec);

        forwardPage(Page.DELETE_EVENT_CRF);
      } else {
        logger.info("submit to delete the event CRF from event");

        // OC-6303  Deleting Event CRF resets Show / Hide logic
        // delete records from DynamicItemForm and DynamicItemGroup
        getDynamicsItemFormMetadataDao().delete(eventCRFId);
        getDynamicsItemGroupMetadataDao().delete(eventCRFId);

        eventCRF.setOldStatus(eventCRF.getStatus());
        eventCRF.setStatus(Status.RESET);
        eventCRF.setUpdater(ub);
        ecdao.update(eventCRF);

        for (ItemDataBean itemdata : itemData) {
          // OC-6343 Rule behaviour must be reset if an Event CRF is deleted
          // delete the records from ruleActionRunLogDao
          getRuleActionRunLogDao().delete(itemdata.getId());

          // OC-6344 Notes & Discrepancies must be set to "closed" when event CRF is deleted
          // parentDiscrepancyNoteList is the list of the parent DNs records only
          ArrayList<DiscrepancyNoteBean> parentDiscrepancyNoteList =
              getDnDao().findParentNotesOnlyByItemData(itemdata.getId());
          for (DiscrepancyNoteBean parentDiscrepancyNote : parentDiscrepancyNoteList) {
            if (parentDiscrepancyNote.getResolutionStatusId()
                != 4) { // if the DN's resolution status is not set to Closed
              String description = resword.getString("dn_auto-closed_description");
              String detailedNotes = resword.getString("dn_auto_closed_detailed_notes");
              // create new DN record , new DN Map record , also update the parent record
              createDiscrepancyNoteBean(
                  description, detailedNotes, itemdata.getId(), study, ub, parentDiscrepancyNote);
            }
          }
          iddao = new ItemDataDAO(sm.getDataSource());
          ifmdao = new ItemFormMetadataDAO(sm.getDataSource());
          ItemDataBean idBean = (ItemDataBean) iddao.findByPK(itemdata.getId());

          ItemFormMetadataBean ifmBean =
              ifmdao.findByItemIdAndCRFVersionId(idBean.getItemId(), crfVersionId);

          // Updating Dn_item_data_map actovated column into false for the existing DNs
          ArrayList<DiscrepancyNoteBean> dnBeans =
              getDnDao().findExistingNotesForItemData(itemdata.getId());
          if (dnBeans.size() != 0) {
            DiscrepancyNoteBean dnBean = new DiscrepancyNoteBean();
            dnBean.setEntityId(itemdata.getId());
            dnBean.setActivated(false);
            getDnDao().updateDnMapActivation(dnBean);
          }

          // Default Values are not addressed

          itemdata.setValue("");
          itemdata.setOldStatus(itemdata.getStatus());
          itemdata.setOwner(ub);
          itemdata.setStatus(Status.AVAILABLE);
          itemdata.setUpdater(ub);
          iddao.updateUser(itemdata);
          iddao.update(itemdata);
        }
        // OC-6291 event_crf status change

        eventCRF.setOldStatus(eventCRF.getStatus());
        eventCRF.setStatus(Status.AVAILABLE);
        eventCRF.setUpdater(ub);
        ecdao.update(eventCRF);

        if (event.getSubjectEventStatus().isCompleted()
            || event.getSubjectEventStatus().isSigned()) {
          event.setSubjectEventStatus(SubjectEventStatus.DATA_ENTRY_STARTED);
          event.setUpdater(ub);
          sedao = new StudyEventDAO(sm.getDataSource());
          sedao.update(event);
        }

        String emailBody =
            respage.getString("the_event_CRF")
                + cb.getName()
                + respage.getString("has_been_deleted_from_the_event")
                + event.getStudyEventDefinition().getName()
                + ". "
                + respage.getString("has_been_deleted_from_the_event_cont");

        addPageMessage(emailBody);
        // sendEmail(emailBody);
        request.setAttribute("id", new Integer(studySubId).toString());
        forwardPage(Page.VIEW_STUDY_SUBJECT_SERVLET);
      }
    }
  }