public final Response executeCommand(
      Object inputPar,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    GridParams gridParams = (GridParams) inputPar;
    try {
      String companyCode =
          (String) gridParams.getOtherGridParams().get(ApplicationConsts.COMPANY_CODE_SYS01);
      BigDecimal progressiveHie02 =
          (BigDecimal) gridParams.getOtherGridParams().get(ApplicationConsts.PROGRESSIVE_HIE02);

      ItemFields bean = (ItemFields) JAIOBeanFactory.getInstance().getBean(ItemFields.class);
      Response answer =
          bean.loadItemFields(
              companyCode,
              progressiveHie02,
              ((JAIOUserSessionParameters) userSessionPars).getServerLanguageId(),
              userSessionPars.getUsername());

      return answer;
    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "executeCommand",
          "Error while processing request",
          ex);
      return new ErrorResponse(ex.getMessage());
    }
  }
  /** Business logic to execute. */
  public VOListResponse loadCharges(
      GridParams gridParams,
      String serverLanguageId,
      String username,
      ArrayList companiesList,
      ArrayList customizedFields)
      throws Throwable {
    PreparedStatement pstmt = null;
    Connection conn = null;
    try {
      if (this.conn == null) conn = getConn();
      else conn = this.conn;

      // retrieve companies list...
      String companies =
          (String)
              gridParams
                  .getOtherGridParams()
                  .get(ApplicationConsts.COMPANY_CODE_SYS01); // used in lookup grid...
      if (companies == null) {
        companies = "";
        for (int i = 0; i < companiesList.size(); i++)
          companies += "'" + companiesList.get(i).toString() + "',";
        companies = companies.substring(0, companies.length() - 1);
      } else companies = "'" + companies + "'";

      String sql =
          "select SAL06_CHARGES.COMPANY_CODE_SYS01,SAL06_CHARGES.CHARGE_CODE,SAL06_CHARGES.PROGRESSIVE_SYS10,"
              + "SYS10_TRANSLATIONS.DESCRIPTION,SAL06_CHARGES.VALUE,SAL06_CHARGES.PERC,SAL06_CHARGES.VAT_CODE_REG01,"
              + "SAL06_CHARGES.CURRENCY_CODE_REG03,SAL06_CHARGES.ENABLED"
              + " from SAL06_CHARGES,SYS10_TRANSLATIONS where "
              + "SAL06_CHARGES.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "SAL06_CHARGES.ENABLED='Y' and "
              + "SAL06_CHARGES.COMPANY_CODE_SYS01 in ("
              + companies
              + ")";

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("companyCodeSys01SAL06", "SAL06_CHARGES.COMPANY_CODE_SYS01");
      attribute2dbField.put("chargeCodeSAL06", "SAL06_CHARGES.CHARGE_CODE");
      attribute2dbField.put("descriptionSYS10", "SYS10_TRANSLATIONS.DESCRIPTION");
      attribute2dbField.put("progressiveSys10SAL06", "SAL06_CHARGES.PROGRESSIVE_SYS10");
      attribute2dbField.put("valueSAL06", "SAL06_CHARGES.VALUE");
      attribute2dbField.put("percSAL06", "SAL06_CHARGES.PERC");
      attribute2dbField.put("vatCodeReg01SAL06", "SAL06_CHARGES.VAT_CODE_REG01");
      attribute2dbField.put("currencyCodeReg03SAL06", "SAL06_CHARGES.CURRENCY_CODE_REG03");
      attribute2dbField.put("enabledSAL06", "SAL06_CHARGES.ENABLED");

      ArrayList values = new ArrayList();
      values.add(serverLanguageId);

      // read from SAL06 table...
      Response res =
          CustomizeQueryUtil.getQuery(
              conn,
              new UserSessionParameters(username),
              sql,
              values,
              attribute2dbField,
              ChargeVO.class,
              "Y",
              "N",
              null,
              gridParams,
              50,
              true,
              customizedFields);
      if (res.isError()) throw new Exception(res.getErrorMessage());

      java.util.List list = ((VOListResponse) res).getRows();
      ChargeVO vo = null;
      sql =
          "select SYS10_TRANSLATIONS.DESCRIPTION,REG01_VATS.VALUE,REG01_VATS.DEDUCTIBLE "
              + "from SYS10_TRANSLATIONS,REG01_VATS where "
              + "REG01_VATS.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "REG01_VATS.VAT_CODE=?";
      pstmt = conn.prepareStatement(sql);
      ResultSet rset = null;
      for (int i = 0; i < list.size(); i++) {
        vo = (ChargeVO) list.get(i);
        if (vo.getVatCodeReg01SAL06() != null) {
          // retrieve vat data from REG01...
          pstmt.setString(1, serverLanguageId);
          pstmt.setString(2, vo.getVatCodeReg01SAL06());
          rset = pstmt.executeQuery();
          if (rset.next()) {
            vo.setVatDescriptionSYS10(rset.getString(1));
            vo.setVatValueREG01(rset.getBigDecimal(2));
            vo.setVatDeductibleREG01(rset.getBigDecimal(3));
          }
          rset.close();
        }
      }

      Response answer = res;
      if (answer.isError()) throw new Exception(answer.getErrorMessage());
      else return (VOListResponse) answer;
    } catch (Throwable ex) {
      Logger.error(
          username,
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching charges list",
          ex);
      throw new Exception(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception exx) {
      }
      try {
        if (this.conn == null && conn != null) {
          // close only local connection
          conn.commit();
          conn.close();
        }

      } catch (Exception exx) {
      }
    }
  }
  /** Load data from server and construct panel content. */
  public final void reloadData(DocumentsFrame frame) {
    try {
      // remove all panel content...
      clearData();
      frame.getGrid().getOtherGridParams().put(ApplicationConsts.PROPERTIES_FILTER, filters);

      // retrieve customized input controls list...
      GridParams gridParams = new GridParams();
      DefaultMutableTreeNode node = frame.getHierarTreePanel().getSelectedNode();
      if (node != null) {
        HierarchyLevelVO vo = (HierarchyLevelVO) node.getUserObject();
        HierarchyLevelVO root =
            (HierarchyLevelVO) ((DefaultMutableTreeNode) node.getRoot()).getUserObject();
        gridParams
            .getOtherGridParams()
            .put(ApplicationConsts.PROGRESSIVE_HIE01, vo.getProgressiveHIE01());
        gridParams
            .getOtherGridParams()
            .put(ApplicationConsts.ROOT_PROGRESSIVE_HIE01, root.getProgressiveHIE01());
      } else gridParams.getOtherGridParams().remove(ApplicationConsts.PROGRESSIVE_HIE01);
      gridParams
          .getOtherGridParams()
          .put(
              ApplicationConsts.PROGRESSIVE_HIE02,
              frame.getHierarTreePanel().getProgressiveHIE02());
      gridParams.getOtherGridParams().put(ApplicationConsts.LOAD_ANCIENTS, Boolean.TRUE);
      Response res = ClientUtils.getData("loadLevelProperties", gridParams);
      if (res.isError()) {
        JOptionPane.showMessageDialog(
            ClientUtils.getParentFrame(this),
            ClientSettings.getInstance().getResources().getResource("Error while loading data")
                + ":\n"
                + res.getErrorMessage(),
            ClientSettings.getInstance().getResources().getResource("Loading Data Error"),
            JOptionPane.ERROR_MESSAGE);
        return;
      }
      ArrayList rows = ((VOListResponse) res).getRows();
      if (rows.size() > 0) {
        // adding customized input controls...
        LevelPropertyVO inputControlInfo = null;
        int row = 0;
        int col = 0;
        LabelControl labelControl = null;
        TextControl textControl = null;
        DateControl dateControl = null;
        NumericControl numericControl = null;
        for (int i = 0; i < rows.size(); i++) {
          inputControlInfo = (LevelPropertyVO) rows.get(i);
          labelControl = new LabelControl();
          labelControl.setText(inputControlInfo.getDescriptionSYS10());
          innerPanel.add(
              labelControl,
              new GridBagConstraints(
                  col++,
                  row,
                  1,
                  1,
                  0.0,
                  0.0,
                  GridBagConstraints.WEST,
                  GridBagConstraints.NONE,
                  new Insets(5, 5, 5, 5),
                  0,
                  0));

          if (inputControlInfo.getPropertyTypeDOC21().equals(ApplicationConsts.TYPE_TEXT)) {
            textControl = new TextControl();
            textControl.setMaxCharacters(255);
            textControl.setLinkLabel(labelControl);
            innerPanel.add(
                textControl,
                new GridBagConstraints(
                    col,
                    row,
                    1,
                    1,
                    1.0,
                    0.0,
                    GridBagConstraints.WEST,
                    GridBagConstraints.HORIZONTAL,
                    new Insets(5, 5, 5, 15),
                    0,
                    0));
            textControl.addFocusListener(new ControlFocusListener(inputControlInfo, textControl));
          } else if (inputControlInfo.getPropertyTypeDOC21().equals(ApplicationConsts.TYPE_DATE)) {
            dateControl = new DateControl();
            dateControl.setLinkLabel(labelControl);
            innerPanel.add(
                dateControl,
                new GridBagConstraints(
                    col,
                    row,
                    1,
                    1,
                    1.0,
                    0.0,
                    GridBagConstraints.WEST,
                    GridBagConstraints.NONE,
                    new Insets(5, 5, 5, 15),
                    0,
                    0));
            dateControl.addFocusListener(new ControlFocusListener(inputControlInfo, dateControl));
          } else if (inputControlInfo.getPropertyTypeDOC21().equals(ApplicationConsts.TYPE_NUM)) {
            numericControl = new NumericControl();
            numericControl.setDecimals(5);
            numericControl.setLinkLabel(labelControl);
            innerPanel.add(
                numericControl,
                new GridBagConstraints(
                    col,
                    row,
                    1,
                    1,
                    1.0,
                    0.0,
                    GridBagConstraints.WEST,
                    GridBagConstraints.HORIZONTAL,
                    new Insets(5, 5, 5, 15),
                    0,
                    0));
            numericControl.addFocusListener(
                new ControlFocusListener(inputControlInfo, numericControl));
          }

          col++;
          if (col >= 2) {
            innerPanel.add(
                new JPanel(),
                new GridBagConstraints(
                    col,
                    row,
                    1,
                    1,
                    1.0,
                    0.0,
                    GridBagConstraints.WEST,
                    GridBagConstraints.HORIZONTAL,
                    new Insets(5, 5, 5, 5),
                    0,
                    0));
            row++;
            col = 0;
          }
        }
        row++;
        innerPanel.add(
            new JPanel(),
            new GridBagConstraints(
                col,
                row,
                1,
                1,
                0.0,
                0.0,
                GridBagConstraints.WEST,
                GridBagConstraints.NONE,
                new Insets(5, 5, 5, 5),
                0,
                0));

        innerPanel.add(
            new JPanel(),
            new GridBagConstraints(
                0,
                row,
                1,
                1,
                0.0,
                1.0,
                GridBagConstraints.WEST,
                GridBagConstraints.VERTICAL,
                new Insets(5, 5, 5, 5),
                0,
                0));
        this.revalidate();
        this.repaint();
      }
    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }
  /** Business logic to execute. */
  public final Response executeCommand(
      Object inputPar,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    String serverLanguageId = ((JAIOUserSessionParameters) userSessionPars).getServerLanguageId();
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = ConnectionManager.getConnection(context);

      // fires the GenericEvent.CONNECTION_CREATED event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.CONNECTION_CREATED,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  null));
      DetailSaleDocVO docVO = (DetailSaleDocVO) inputPar;

      // retrieve internationalization settings (Resources object)...
      ServerResourcesFactory factory =
          (ServerResourcesFactory) context.getAttribute(Controller.RESOURCES_FACTORY);
      Resources resources = factory.getResources(userSessionPars.getLanguageId());

      // insert header...
      docVO.setDocStateDOC01(ApplicationConsts.HEADER_BLOCKED);
      Response res =
          insDocBean.insertSaleDoc(
              conn, docVO, userSessionPars, request, response, userSession, context);
      if (res.isError()) {
        conn.rollback();
        return res;
      }

      SaleDocPK refPK =
          new SaleDocPK(
              docVO.getCompanyCodeSys01Doc01DOC01(),
              docVO.getDocTypeDoc01DOC01(),
              docVO.getDocYearDoc01DOC01(),
              docVO.getDocNumberDoc01DOC01());

      // retrieve ref. document item rows...
      GridParams gridParams = new GridParams();
      gridParams.getOtherGridParams().put(ApplicationConsts.SALE_DOC_PK, refPK);
      res =
          rowsAction.executeCommand(
              gridParams, userSessionPars, request, response, userSession, context);
      if (res.isError()) {
        conn.rollback();
        return res;
      }
      java.util.List rows = ((VOListResponse) res).getRows();

      // create rows..
      GridSaleDocRowVO gridRowVO = null;
      DetailSaleDocRowVO rowVO = null;
      java.util.List discRows = null;
      SaleDocRowPK docRowPK = null;
      SaleItemDiscountVO itemDiscVO = null;
      gridParams = new GridParams();
      for (int i = 0; i < rows.size(); i++) {
        gridRowVO = (GridSaleDocRowVO) rows.get(i);

        // retrieve row detail...
        docRowPK =
            new SaleDocRowPK(
                gridRowVO.getCompanyCodeSys01DOC02(),
                gridRowVO.getDocTypeDOC02(),
                gridRowVO.getDocYearDOC02(),
                gridRowVO.getDocNumberDOC02(),
                gridRowVO.getItemCodeItm01DOC02(),
                gridRowVO.getVariantTypeItm06DOC02(),
                gridRowVO.getVariantCodeItm11DOC02(),
                gridRowVO.getVariantTypeItm07DOC02(),
                gridRowVO.getVariantCodeItm12DOC02(),
                gridRowVO.getVariantTypeItm08DOC02(),
                gridRowVO.getVariantCodeItm13DOC02(),
                gridRowVO.getVariantTypeItm09DOC02(),
                gridRowVO.getVariantCodeItm14DOC02(),
                gridRowVO.getVariantTypeItm10DOC02(),
                gridRowVO.getVariantCodeItm15DOC02());

        res =
            rowAction.executeCommand(
                docRowPK, userSessionPars, request, response, userSession, context);
        if (res.isError()) {
          conn.rollback();
          return res;
        }
        rowVO = (DetailSaleDocRowVO) ((VOResponse) res).getVo();
        rowVO.setDocTypeDOC02(docVO.getDocTypeDOC01());
        rowVO.setDocNumberDOC02(docVO.getDocNumberDOC01());
        if (rowVO.getInvoiceQtyDOC02().doubleValue() < rowVO.getQtyDOC02().doubleValue()
            && rowVO.getQtyDOC02().doubleValue() == rowVO.getOutQtyDOC02().doubleValue()) {
          rowVO.setQtyDOC02(
              rowVO
                  .getQtyDOC02()
                  .subtract(
                      rowVO
                          .getInvoiceQtyDOC02()
                          .setScale(
                              rowVO.getDecimalsReg02DOC02().intValue(), BigDecimal.ROUND_HALF_UP)));
          rowVO.setTaxableIncomeDOC02(
              rowVO
                  .getQtyDOC02()
                  .multiply(rowVO.getValueSal02DOC02())
                  .setScale(docVO.getDecimalsREG03().intValue(), BigDecimal.ROUND_HALF_UP));
          rowVO.setTotalDiscountDOC02(new BigDecimal(0));

          // calculate row vat...
          double vatPerc =
              rowVO.getValueReg01DOC02().doubleValue()
                  * (1d - rowVO.getDeductibleReg01DOC02().doubleValue() / 100d)
                  / 100;
          rowVO.setVatValueDOC02(
              rowVO
                  .getTaxableIncomeDOC02()
                  .multiply(new BigDecimal(vatPerc))
                  .setScale(docVO.getDecimalsREG03().intValue(), BigDecimal.ROUND_HALF_UP));

          // calculate row total...
          rowVO.setValueDOC02(rowVO.getTaxableIncomeDOC02().add(rowVO.getVatValueDOC02()));

          res =
              insRowBean.insertSaleItem(
                  conn, rowVO, userSessionPars, request, response, userSession, context);
          if (res.isError()) {
            conn.rollback();
            return res;
          }

          // create item discounts...
          gridParams.getOtherGridParams().put(ApplicationConsts.SALE_DOC_ROW_PK, docRowPK);
          res =
              itemDiscAction.executeCommand(
                  gridParams, userSessionPars, request, response, userSession, context);
          if (res.isError()) {
            conn.rollback();
            return res;
          }
          discRows = ((VOListResponse) res).getRows();
          for (int j = 0; j < discRows.size(); j++) {
            itemDiscVO = (SaleItemDiscountVO) discRows.get(j);
            itemDiscVO.setDocTypeDOC04(docVO.getDocTypeDOC01());
            itemDiscVO.setDocNumberDOC04(docVO.getDocNumberDOC01());
            res =
                insItemDiscBean.insertSaleDocRowDiscount(
                    conn, itemDiscVO, userSessionPars, request, response, userSession, context);
            if (res.isError()) {
              conn.rollback();
              return res;
            }
          }
        }
      }

      // create charges...
      gridParams = new GridParams();
      gridParams.getOtherGridParams().put(ApplicationConsts.SALE_DOC_PK, refPK);
      res =
          chargesAction.executeCommand(
              gridParams, userSessionPars, request, response, userSession, context);
      SaleDocChargeVO chargeVO = null;
      if (res.isError()) {
        conn.rollback();
        return res;
      }
      rows = ((VOListResponse) res).getRows();
      for (int i = 0; i < rows.size(); i++) {
        chargeVO = (SaleDocChargeVO) rows.get(i);
        chargeVO.setDocTypeDOC03(docVO.getDocTypeDOC01());
        chargeVO.setDocNumberDOC03(docVO.getDocNumberDOC01());
        if (chargeVO.getValueDOC03() == null
            || chargeVO.getValueDOC03() != null
                && chargeVO.getInvoicedValueDOC03().doubleValue()
                    < chargeVO.getValueDOC03().doubleValue()) {
          if (chargeVO.getValueDOC03() != null)
            chargeVO.setValueDOC03(
                chargeVO
                    .getValueDOC03()
                    .subtract(chargeVO.getInvoicedValueDOC03())
                    .setScale(docVO.getDecimalsREG03().intValue(), BigDecimal.ROUND_HALF_UP));

          res =
              insChargeBean.insertSaleDocCharge(
                  conn, chargeVO, userSessionPars, request, response, userSession, context);
          if (res.isError()) {
            conn.rollback();
            return res;
          }
        }
      }

      // create activities...
      res =
          actAction.executeCommand(
              gridParams, userSessionPars, request, response, userSession, context);
      if (res.isError()) {
        conn.rollback();
        return res;
      }
      SaleDocActivityVO actVO = null;
      rows = ((VOListResponse) res).getRows();
      for (int i = 0; i < rows.size(); i++) {
        actVO = (SaleDocActivityVO) rows.get(i);
        actVO.setDocTypeDOC13(docVO.getDocTypeDOC01());
        actVO.setDocNumberDOC13(docVO.getDocNumberDOC01());
        if (actVO.getInvoicedValueDOC13().doubleValue() < actVO.getValueDOC13().doubleValue()) {
          actVO.setValueDOC13(
              actVO
                  .getValueDOC13()
                  .subtract(actVO.getInvoicedValueDOC13())
                  .setScale(docVO.getDecimalsREG03().intValue(), BigDecimal.ROUND_HALF_UP));
          res =
              insActBean.insertSaleActivity(
                  conn, actVO, userSessionPars, request, response, userSession, context);
          if (res.isError()) {
            conn.rollback();
            return res;
          }
        }
      }

      // create header discounts...
      res =
          discAction.executeCommand(
              gridParams, userSessionPars, request, response, userSession, context);
      if (res.isError()) {
        conn.rollback();
        return res;
      }
      SaleDocDiscountVO discVO = null;
      rows = ((VOListResponse) res).getRows();
      for (int i = 0; i < rows.size(); i++) {
        discVO = (SaleDocDiscountVO) rows.get(i);
        discVO.setDocTypeDOC05(docVO.getDocTypeDOC01());
        discVO.setDocNumberDOC05(docVO.getDocNumberDOC01());
        res =
            insDiscBean.insertSaleDocDiscount(
                conn, discVO, userSessionPars, request, response, userSession, context);
        if (res.isError()) {
          conn.rollback();
          return res;
        }
      }

      // recalculate all taxable incomes, vats, totals...
      SaleDocPK pk =
          new SaleDocPK(
              docVO.getCompanyCodeSys01DOC01(),
              docVO.getDocTypeDOC01(),
              docVO.getDocYearDOC01(),
              docVO.getDocNumberDOC01());
      res =
          totals.updateTaxableIncomes(
              conn, pk, userSessionPars, request, response, userSession, context);
      if (res.isError()) {
        conn.rollback();
        return res;
      }

      // reload doc header with updated totals...
      Response answer =
          docAction.loadSaleDoc(conn, pk, userSessionPars, request, response, userSession, context);

      // fires the GenericEvent.BEFORE_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.BEFORE_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));

      conn.commit();

      // fires the GenericEvent.AFTER_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.AFTER_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));

      return answer;
    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "executeCommand",
          "Error while creating a sale invoice from a sale document",
          ex);
      try {
        conn.rollback();
      } catch (Exception ex3) {
      }
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception ex2) {
      }

      try {
        ConnectionManager.releaseConnection(conn, context);
      } catch (Exception ex1) {
      }
    }
  }
  /**
   * Check if components required by specified products are available.
   *
   * @param products list of ProdOrderProductVO objects
   * @params compAltComps collection of <component item code,HashSet of alternative component item
   *     codes>; filled by this method (and given back by reference)
   * @return VOListResponse of ProdOrderComponentVO objects
   */
  public final Response checkComponentsAvailability(
      Connection conn,
      Hashtable compAltComps,
      ArrayList products,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    String serverLanguageId = ((JAIOUserSessionParameters) userSessionPars).getServerLanguageId();
    try {

      // retrieve internationalization settings (Resources object)...
      ServerResourcesFactory factory =
          (ServerResourcesFactory) context.getAttribute(Controller.RESOURCES_FACTORY);
      Resources resources = factory.getResources(userSessionPars.getLanguageId());

      if (products.size() == 0) {
        return new VOListResponse(new ArrayList(), false, 0);
      }

      // fill in comps hashtable with the collection of required components...
      ItemPK pk = null;
      ProdOrderProductVO prodVO = null;
      ArrayList components = null;
      MaterialVO compVO = null;
      Response res = null;
      ProdOrderComponentVO componentVO = null;
      Hashtable comps =
          new Hashtable(); // collection of <component item code,ProdOrderComponentVO object>
      for (int i = 0; i < products.size(); i++) {
        // retrieve bill of materials for each product...
        prodVO = (ProdOrderProductVO) products.get(i);
        pk = new ItemPK(prodVO.getCompanyCodeSys01DOC23(), prodVO.getItemCodeItm01DOC23());
        res =
            bean.getBillOfMaterials(
                conn, pk, userSessionPars, request, response, userSession, context);
        if (res.isError()) {
          return res;
        }

        // extract components only (leaf nodes)...
        components =
            getComponents(
                (DefaultMutableTreeNode) ((TreeModel) ((VOResponse) res).getVo()).getRoot());
        for (int j = 0; j < components.size(); j++) {
          compVO = (MaterialVO) components.get(j);
          componentVO = (ProdOrderComponentVO) comps.get(compVO.getItemCodeItm01ITM03());
          if (componentVO == null) {
            componentVO = new ProdOrderComponentVO();
            comps.put(compVO.getItemCodeItm01ITM03(), componentVO);
            componentVO.setAvailableQty(new BigDecimal(0));
            componentVO.setCompanyCodeSys01DOC24(compVO.getCompanyCodeSys01ITM03());
            componentVO.setDescriptionSYS10(compVO.getDescriptionSYS10());
            componentVO.setDocNumberDOC24(prodVO.getDocNumberDOC23());
            componentVO.setDocYearDOC24(prodVO.getDocYearDOC23());
            componentVO.setItemCodeItm01DOC24(compVO.getItemCodeItm01ITM03());
            componentVO.setMinSellingQtyUmCodeReg02ITM01(compVO.getMinSellingQtyUmCodeReg02ITM01());
            componentVO.setQtyDOC24(new BigDecimal(0));
          }
          componentVO.setQtyDOC24(
              componentVO.getQtyDOC24().add(compVO.getQtyITM03().multiply(prodVO.getQtyDOC23())));
        }
      }

      // check components availability in the specified warehouse...
      Enumeration en = comps.keys();
      GridParams gridParams = new GridParams();
      gridParams
          .getOtherGridParams()
          .put(ApplicationConsts.COMPANY_CODE_SYS01, prodVO.getCompanyCodeSys01DOC23());
      gridParams
          .getOtherGridParams()
          .put(ApplicationConsts.WAREHOUSE_CODE, prodVO.getWarehouseCodeWar01DOC22());
      gridParams.getOtherGridParams().put(ApplicationConsts.LOAD_ALL, Boolean.TRUE);
      ItemAvailabilityVO availVO = null;
      BigDecimal availability, altAvailability, delta;
      String itemCode = null;
      ArrayList list, availList;
      AltComponentVO altVO = null;
      ArrayList alternativeComps = new ArrayList();
      ArrayList compsToRemove = new ArrayList();
      ProdOrderComponentVO altComponentVO = null;
      HashSet altCodes = null; // list of alternative component item codes...
      BigDecimal altQty = null;
      while (en.hasMoreElements()) {
        itemCode = en.nextElement().toString();
        componentVO = (ProdOrderComponentVO) comps.get(itemCode);

        gridParams
            .getOtherGridParams()
            .put(
                ApplicationConsts.ITEM_PK, new ItemPK(prodVO.getCompanyCodeSys01DOC23(), itemCode));
        res =
            avail.executeCommand(
                gridParams, userSessionPars, request, response, userSession, context);
        if (res.isError()) return res;

        availList = ((VOListResponse) res).getRows();
        componentVO.setAvailabilities(availList);
        availability = new BigDecimal(0);
        for (int i = 0; i < availList.size(); i++) {
          availVO = (ItemAvailabilityVO) availList.get(i);
          availability = availability.add(availVO.getAvailableQtyWAR03());
        }
        componentVO.setAvailableQty(availability);

        if (componentVO.getQtyDOC24().doubleValue() > componentVO.getAvailableQty().doubleValue()) {
          // check if there exist some alternative component...
          res =
              altComps.executeCommand(
                  gridParams, userSessionPars, request, response, userSession, context);
          if (res.isError()) return res;
          list = ((VOListResponse) res).getRows();
          for (int i = 0; i < list.size(); i++) {
            altVO = (AltComponentVO) list.get(i);
            gridParams
                .getOtherGridParams()
                .put(
                    ApplicationConsts.ITEM_PK,
                    new ItemPK(prodVO.getCompanyCodeSys01DOC23(), altVO.getItemCodeItm01ITM04()));
            res =
                avail.executeCommand(
                    gridParams, userSessionPars, request, response, userSession, context);
            if (res.isError()) return res;
            availList = ((VOListResponse) res).getRows();
            altAvailability = new BigDecimal(0);
            for (int j = 0; j < availList.size(); j++) {
              availVO = (ItemAvailabilityVO) availList.get(j);
              altAvailability = altAvailability.add(availVO.getAvailableQtyWAR03());
            }
            if (altAvailability.doubleValue() > 0) {
              altComponentVO = new ProdOrderComponentVO();
              altComponentVO.setAvailabilities(availList);
              altComponentVO.setAvailableQty(altAvailability);
              altComponentVO.setCompanyCodeSys01DOC24(altVO.getCompanyCodeSys01ITM04());
              altComponentVO.setDescriptionSYS10(altVO.getDescriptionSYS10());
              altComponentVO.setDocNumberDOC24(prodVO.getDocNumberDOC23());
              altComponentVO.setDocYearDOC24(prodVO.getDocYearDOC23());
              altComponentVO.setItemCodeItm01DOC24(altVO.getItemCodeItm01ITM04());
              altComponentVO.setMinSellingQtyUmCodeReg02ITM01(
                  altVO.getMinSellingQtyUmCodeReg02ITM01());
              altQty =
                  conv.convertQty(
                      altVO.getMinSellingQtyUmCodeReg02ITM01(),
                      componentVO.getMinSellingQtyUmCodeReg02ITM01(),
                      altAvailability,
                      userSessionPars,
                      request,
                      response,
                      userSession,
                      context);
              if (componentVO.getQtyDOC24().subtract(availability).doubleValue()
                  > altQty.doubleValue()) {
                delta = altQty;
                altComponentVO.setQtyDOC24(altAvailability);
              } else {
                delta = componentVO.getQtyDOC24();
                altComponentVO.setQtyDOC24(
                    conv.convertQty(
                        componentVO.getMinSellingQtyUmCodeReg02ITM01(),
                        altVO.getMinSellingQtyUmCodeReg02ITM01(),
                        delta,
                        userSessionPars,
                        request,
                        response,
                        userSession,
                        context));
              }
              componentVO.setQtyDOC24(componentVO.getQtyDOC24().subtract(delta));
              alternativeComps.add(altComponentVO);

              altCodes = (HashSet) compAltComps.get(itemCode);
              if (altCodes == null) {
                altCodes = new HashSet();
                compAltComps.put(itemCode, altCodes);
              }
              altCodes.add(altVO.getItemCodeItm01ITM04());

              if (componentVO.getQtyDOC24().doubleValue() == 0) {
                compsToRemove.add(componentVO);
                break;
              }
              if (componentVO.getQtyDOC24().subtract(availability).doubleValue() == 0) break;
            }
          }
        }
      }

      list = new ArrayList(comps.values());
      list.addAll(alternativeComps);
      list.removeAll(compsToRemove);
      return new VOListResponse(list, false, list.size());
    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "checkComponentsAvailability",
          "Error while retrieving components availability for the specified production order",
          ex);
      return new ErrorResponse(ex.getMessage());
    }
  }
  /** Business logic to execute. */
  public VOListResponse loadSupplierPriceItems(
      GridParams pars, String serverLanguageId, String username, ArrayList customizedFields)
      throws Throwable {
    PreparedStatement pstmt = null;
    Connection conn = null;
    try {
      if (this.conn == null) conn = getConn();
      else conn = this.conn;

      BigDecimal rootProgressiveHIE01 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.ROOT_PROGRESSIVE_HIE01);
      BigDecimal progressiveHIE01 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.PROGRESSIVE_HIE01);
      BigDecimal progressiveHIE02 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.PROGRESSIVE_HIE02);
      BigDecimal progressiveREG04 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.PROGRESSIVE_REG04);
      String companyCodeSYS01 =
          (String) pars.getOtherGridParams().get(ApplicationConsts.COMPANY_CODE_SYS01);
      String pricelistCodePUR03 =
          (String) pars.getOtherGridParams().get(ApplicationConsts.PRICELIST);

      CompanyHierarchyLevelVO vo =
          (CompanyHierarchyLevelVO) pars.getOtherGridParams().get(ApplicationConsts.TREE_FILTER);
      if (vo != null) {
        progressiveHIE01 = vo.getProgressiveHIE01();
        progressiveHIE02 = vo.getProgressiveHie02HIE01();
      }

      String sql =
          "select PUR02_SUPPLIER_ITEMS.COMPANY_CODE_SYS01,PUR02_SUPPLIER_ITEMS.ITEM_CODE_ITM01,PUR02_SUPPLIER_ITEMS.SUPPLIER_ITEM_CODE,PUR02_SUPPLIER_ITEMS.PROGRESSIVE_REG04,"
              + "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_HIE02,PUR02_SUPPLIER_ITEMS.PROGRESSIVE_HIE01,PUR02_SUPPLIER_ITEMS.MIN_PURCHASE_QTY,PUR02_SUPPLIER_ITEMS.MULTIPLE_QTY,"
              + "PUR02_SUPPLIER_ITEMS.UM_CODE_REG02,PUR02_SUPPLIER_ITEMS.ENABLED,SYS10_COMPANY_TRANSLATIONS.DESCRIPTION,REG02_MEASURE_UNITS.DECIMALS,"
              + "ITM01_ITEMS.VAT_CODE_REG01,SYS10_VAT.DESCRIPTION,REG01_VATS.DEDUCTIBLE,REG01_VATS.VALUE,"
              + "PUR04_SUPPLIER_PRICES.VALUE,PUR04_SUPPLIER_PRICES.START_DATE,PUR04_SUPPLIER_PRICES.END_DATE,"
              + "ITM01_ITEMS.USE_VARIANT_1,ITM01_ITEMS.USE_VARIANT_2,ITM01_ITEMS.USE_VARIANT_3,ITM01_ITEMS.USE_VARIANT_4,ITM01_ITEMS.USE_VARIANT_5, "
              + "ITM01_ITEMS.NO_WAREHOUSE_MOV "
              + " from PUR02_SUPPLIER_ITEMS,SYS10_COMPANY_TRANSLATIONS,ITM01_ITEMS,REG02_MEASURE_UNITS,SYS10_TRANSLATIONS SYS10_VAT,REG01_VATS,PUR04_SUPPLIER_PRICES where "
              + "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_HIE02=? and "
              + "PUR02_SUPPLIER_ITEMS.UM_CODE_REG02=REG02_MEASURE_UNITS.UM_CODE and "
              + "PUR02_SUPPLIER_ITEMS.COMPANY_CODE_SYS01=ITM01_ITEMS.COMPANY_CODE_SYS01 and "
              + "PUR02_SUPPLIER_ITEMS.ITEM_CODE_ITM01=ITM01_ITEMS.ITEM_CODE and "
              + "ITM01_ITEMS.COMPANY_CODE_SYS01=SYS10_COMPANY_TRANSLATIONS.COMPANY_CODE_SYS01 and "
              + "ITM01_ITEMS.PROGRESSIVE_SYS10=SYS10_COMPANY_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_COMPANY_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "PUR02_SUPPLIER_ITEMS.COMPANY_CODE_SYS01 = ? and "
              + "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_REG04=? and "
              + "PUR02_SUPPLIER_ITEMS.ENABLED='Y' and "
              + "ITM01_ITEMS.VAT_CODE_REG01=REG01_VATS.VAT_CODE and "
              + "REG01_VATS.PROGRESSIVE_SYS10=SYS10_VAT.PROGRESSIVE and "
              + "SYS10_VAT.LANGUAGE_CODE=? and "
              + "PUR02_SUPPLIER_ITEMS.COMPANY_CODE_SYS01=PUR04_SUPPLIER_PRICES.COMPANY_CODE_SYS01 and "
              + "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_REG04=PUR04_SUPPLIER_PRICES.PROGRESSIVE_REG04 and "
              + "PUR02_SUPPLIER_ITEMS.ITEM_CODE_ITM01=PUR04_SUPPLIER_PRICES.ITEM_CODE_ITM01 and "
              + "PUR04_SUPPLIER_PRICES.PRICELIST_CODE_PUR03=? and "
              + "PUR04_SUPPLIER_PRICES.START_DATE<=? and "
              + "PUR04_SUPPLIER_PRICES.END_DATE>? ";

      if (rootProgressiveHIE01 == null || !rootProgressiveHIE01.equals(progressiveHIE01)) {
        // retrieve all subnodes of the specified node...
        pstmt =
            conn.prepareStatement(
                "select HIE01_COMPANY_LEVELS.PROGRESSIVE,HIE01_COMPANY_LEVELS.PROGRESSIVE_HIE01,HIE01_COMPANY_LEVELS.LEV from HIE01_COMPANY_LEVELS "
                    + "where COMPANY_CODE_SYS01='"
                    + companyCodeSYS01
                    + "' and ENABLED='Y' and PROGRESSIVE_HIE02=? and PROGRESSIVE>=? "
                    + "order by LEV,PROGRESSIVE_HIE01,PROGRESSIVE");
        pstmt.setBigDecimal(1, progressiveHIE02);
        pstmt.setBigDecimal(2, progressiveHIE01);
        ResultSet rset = pstmt.executeQuery();

        HashSet currentLevelNodes = new HashSet();
        HashSet newLevelNodes = new HashSet();
        String nodes = "";
        int currentLevel = -1;
        while (rset.next()) {
          if (currentLevel != rset.getInt(3)) {
            // next level...
            currentLevel = rset.getInt(3);
            currentLevelNodes = newLevelNodes;
            newLevelNodes = new HashSet();
          }
          if (rset.getBigDecimal(1).equals(progressiveHIE01)) {
            newLevelNodes.add(rset.getBigDecimal(1));
            nodes += rset.getBigDecimal(1) + ",";
          } else if (currentLevelNodes.contains(rset.getBigDecimal(2))) {
            newLevelNodes.add(rset.getBigDecimal(1));
            nodes += rset.getBigDecimal(1) + ",";
          }
        }
        rset.close();
        pstmt.close();
        if (nodes.length() > 0) nodes = nodes.substring(0, nodes.length() - 1);
        if (rootProgressiveHIE01 != null || nodes.length() > 0)
          sql += " and PUR02_SUPPLIER_ITEMS.PROGRESSIVE_HIE01 in (" + nodes + ")";
      }

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("companyCodeSys01PUR02", "PUR02_SUPPLIER_ITEMS.COMPANY_CODE_SYS01");
      attribute2dbField.put("itemCodeItm01PUR02", "PUR02_SUPPLIER_ITEMS.ITEM_CODE_ITM01");
      attribute2dbField.put("supplierItemCodePUR02", "PUR02_SUPPLIER_ITEMS.SUPPLIER_ITEM_CODE");
      attribute2dbField.put("progressiveReg04PUR02", "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_REG04");
      attribute2dbField.put("progressiveHie02PUR02", "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_HIE02");
      attribute2dbField.put("progressiveHie01PUR02", "PUR02_SUPPLIER_ITEMS.PROGRESSIVE_HIE01");
      attribute2dbField.put("minPurchaseQtyPUR02", "PUR02_SUPPLIER_ITEMS.MIN_PURCHASE_QTY");
      attribute2dbField.put("multipleQtyPUR02", "PUR02_SUPPLIER_ITEMS.MULTIPLE_QTY");
      attribute2dbField.put("umCodeReg02PUR02", "PUR02_SUPPLIER_ITEMS.UM_CODE_REG02");
      attribute2dbField.put("enabledPUR02", "PUR02_SUPPLIER_ITEMS.ENABLED");
      attribute2dbField.put("descriptionSYS10", "SYS10_COMPANY_TRANSLATIONS.DESCRIPTION");
      attribute2dbField.put("decimalsREG02", "REG02_MEASURE_UNITS.DECIMALS");

      attribute2dbField.put("vatCodeReg01ITM01", "ITM01_ITEMS.VAT_CODE_REG01");
      attribute2dbField.put("vatDescriptionSYS10", "SYS10_VAT.DESCRIPTION");
      attribute2dbField.put("deductibleREG01", "REG01_VATS.DEDUCTIBLE");
      attribute2dbField.put("valueREG01", "REG01_VATS.VALUE");
      attribute2dbField.put("valuePUR04", "PUR04_SUPPLIER_PRICES.VALUE");
      attribute2dbField.put("startDatePUR04", "PUR04_SUPPLIER_PRICES.START_DATE");
      attribute2dbField.put("endDatePUR04", "PUR04_SUPPLIER_PRICES.END_DATE");

      attribute2dbField.put("useVariant1ITM01", "ITM01_ITEMS.USE_VARIANT_1");
      attribute2dbField.put("useVariant2ITM01", "ITM01_ITEMS.USE_VARIANT_2");
      attribute2dbField.put("useVariant3ITM01", "ITM01_ITEMS.USE_VARIANT_3");
      attribute2dbField.put("useVariant4ITM01", "ITM01_ITEMS.USE_VARIANT_4");
      attribute2dbField.put("useVariant5ITM01", "ITM01_ITEMS.USE_VARIANT_5");

      attribute2dbField.put("noWarehouseMovITM01", "ITM01_ITEMS.NO_WAREHOUSE_MOV");

      ArrayList values = new ArrayList();
      values.add(progressiveHIE02);
      values.add(serverLanguageId);
      values.add(companyCodeSYS01);
      values.add(progressiveREG04);
      values.add(serverLanguageId);
      values.add(pricelistCodePUR03);
      values.add(new java.sql.Date(System.currentTimeMillis()));
      values.add(new java.sql.Date(System.currentTimeMillis()));

      // read from PUR02 table...
      Response answer =
          CustomizeQueryUtil.getQuery(
              conn,
              new UserSessionParameters(username),
              sql,
              values,
              attribute2dbField,
              SupplierPriceItemVO.class,
              "Y",
              "N",
              null,
              pars,
              50,
              true,
              customizedFields);
      if (answer.isError()) throw new Exception(answer.getErrorMessage());
      else return (VOListResponse) answer;

    } catch (Throwable ex) {
      Logger.error(
          username,
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching supplier items list",
          ex);
      throw new Exception(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception exx) {
      }
      try {
        if (this.conn == null && conn != null) {
          // close only local connection
          conn.commit();
          conn.close();
        }

      } catch (Exception exx) {
      }
    }
  }
  /** Business logic to execute. */
  public VOListResponse loadItemVariants(GridParams pars, String serverLanguageId, String username)
      throws Throwable {

    PreparedStatement pstmt = null;

    Connection conn = null;
    try {
      if (this.conn == null) conn = getConn();
      else conn = this.conn;

      String tableName = (String) pars.getOtherGridParams().get(ApplicationConsts.TABLE_NAME);
      ItemPK pk = (ItemPK) pars.getOtherGridParams().get(ApplicationConsts.ITEM_PK);
      String productVariant = (String) productVariants.get(tableName);
      String variantType = (String) variantTypes.get(tableName);
      String variantTypeJoin = (String) variantTypeJoins.get(tableName);
      String variantCodeJoin = (String) variantCodeJoins.get(tableName);

      String sql =
          "select "
              + tableName
              + "."
              + variantTypeJoin
              + ","
              + tableName
              + ".VARIANT_CODE,A.DESCRIPTION,B.DESCRIPTION, "
              + tableName
              + ".PROGRESSIVE_SYS10,"
              + variantType
              + ".PROGRESSIVE_SYS10 "
              + "from "
              + tableName
              + ","
              + variantType
              + ",SYS10_COMPANY_TRANSLATIONS A,SYS10_COMPANY_TRANSLATIONS B "
              + "where "
              + tableName
              + ".COMPANY_CODE_SYS01=? and "
              + tableName
              + ".COMPANY_CODE_SYS01="
              + variantType
              + ".COMPANY_CODE_SYS01 and "
              + tableName
              + "."
              + variantTypeJoin
              + "="
              + variantType
              + ".VARIANT_TYPE and "
              + tableName
              + ".COMPANY_CODE_SYS01=A.COMPANY_CODE_SYS01 and "
              + tableName
              + ".PROGRESSIVE_SYS10=A.PROGRESSIVE and A.LANGUAGE_CODE=? and "
              + variantType
              + ".COMPANY_CODE_SYS01=B.COMPANY_CODE_SYS01 and "
              + variantType
              + ".PROGRESSIVE_SYS10=B.PROGRESSIVE and B.LANGUAGE_CODE=? and "
              + tableName
              + ".ENABLED='Y' and "
              + variantType
              + ".ENABLED='Y' and "
              + // and not "+tableName+"."+variantTypeJoin+"=? and "+
              "not "
              + tableName
              + ".VARIANT_CODE=? "
              + "order by "
              + tableName
              + "."
              + variantTypeJoin
              + ","
              + tableName
              + ".CODE_ORDER";

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("variantType", tableName + "." + variantTypeJoin);
      attribute2dbField.put("variantCode", tableName + ".VARIANT_CODE");
      attribute2dbField.put("variantDesc", "A.DESCRIPTION");
      attribute2dbField.put("variantTypeDesc", "B.DESCRIPTION");
      attribute2dbField.put("variantProgressiveSys10", tableName + ".PROGRESSIVE_SYS10");
      attribute2dbField.put("variantTypeProgressiveSys10", variantType + ".PROGRESSIVE_SYS10");

      ArrayList values = new ArrayList();
      values.add(pk.getCompanyCodeSys01ITM01());
      values.add(serverLanguageId);
      values.add(serverLanguageId);
      // values.add(ApplicationConsts.JOLLY);
      values.add(ApplicationConsts.JOLLY);

      // read from ITMxxx table...
      Response answer =
          QueryUtil.getQuery(
              conn,
              new UserSessionParameters(username),
              sql,
              values,
              attribute2dbField,
              ItemVariantVO.class,
              "Y",
              "N",
              null,
              pars,
              50,
              true);

      if (!answer.isError()) {
        java.util.List vos = ((VOListResponse) answer).getRows();
        HashMap map = new HashMap();
        ItemVariantVO vo = null;
        for (int i = 0; i < vos.size(); i++) {
          vo = (ItemVariantVO) vos.get(i);
          vo.setCompanyCodeSys01(pk.getCompanyCodeSys01ITM01());
          vo.setItemCodeItm01(pk.getItemCodeITM01());
          vo.setTableName(tableName);
          map.put(vo.getVariantType() + "." + vo.getVariantCode(), vo);
        }

        pstmt =
            conn.prepareStatement(
                "select "
                    + productVariant
                    + "."
                    + variantTypeJoin
                    + ","
                    + productVariant
                    + "."
                    + variantCodeJoin
                    + " "
                    + "from "
                    + productVariant
                    + " "
                    + "where "
                    + productVariant
                    + ".COMPANY_CODE_SYS01=? and "
                    + productVariant
                    + ".ITEM_CODE_ITM01=? and "
                    + productVariant
                    + ".ENABLED='Y' ");
        pstmt.setString(1, pk.getCompanyCodeSys01ITM01());
        pstmt.setString(2, pk.getItemCodeITM01());
        ResultSet rset = pstmt.executeQuery();

        while (rset.next()) {
          vo = (ItemVariantVO) map.get(rset.getString(1) + "." + rset.getString(2));
          if (vo != null) vo.setSelected(Boolean.TRUE);
        }
        rset.close();
        pstmt.close();
      }

      if (answer.isError()) throw new Exception(answer.getErrorMessage());
      else return (VOListResponse) answer;

    } catch (Throwable ex) {
      Logger.error(
          username,
          this.getClass().getName(),
          "getItemVariants",
          "Error while fetching item variants list",
          ex);
      throw new Exception(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception ex2) {
      }
      try {
        if (this.conn == null && conn != null) {
          // close only local connection
          conn.commit();
          conn.close();
        }

      } catch (Exception exx) {
      }
    }
  }
  /** Business logic to execute. */
  public final Response executeCommand(
      Object inputPar,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    String serverLanguageId = ((JAIOUserSessionParameters) userSessionPars).getServerLanguageId();

    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = ConnectionManager.getConnection(context);

      // fires the GenericEvent.CONNECTION_CREATED event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.CONNECTION_CREATED,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  null));

      // retrieve companies list...
      GridParams gridParams = (GridParams) inputPar;
      String companies =
          (String)
              gridParams
                  .getOtherGridParams()
                  .get(ApplicationConsts.COMPANY_CODE_SYS01); // used in lookup grid...
      if (companies == null) {
        ArrayList companiesList =
            ((JAIOUserSessionParameters) userSessionPars).getCompanyBa().getCompaniesList("SAL06");
        companies = "";
        for (int i = 0; i < companiesList.size(); i++)
          companies += "'" + companiesList.get(i).toString() + "',";
        companies = companies.substring(0, companies.length() - 1);
      } else companies = "'" + companies + "'";

      String sql =
          "select SAL06_CHARGES.COMPANY_CODE_SYS01,SAL06_CHARGES.CHARGE_CODE,SAL06_CHARGES.PROGRESSIVE_SYS10,"
              + "SYS10_TRANSLATIONS.DESCRIPTION,SAL06_CHARGES.VALUE,SAL06_CHARGES.PERC,SAL06_CHARGES.VAT_CODE_REG01,"
              + "SAL06_CHARGES.CURRENCY_CODE_REG03,SAL06_CHARGES.ENABLED"
              + " from SAL06_CHARGES,SYS10_TRANSLATIONS where "
              + "SAL06_CHARGES.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "SAL06_CHARGES.ENABLED='Y' and "
              + "SAL06_CHARGES.COMPANY_CODE_SYS01 in ("
              + companies
              + ")";

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("companyCodeSys01SAL06", "SAL06_CHARGES.COMPANY_CODE_SYS01");
      attribute2dbField.put("chargeCodeSAL06", "SAL06_CHARGES.CHARGE_CODE");
      attribute2dbField.put("descriptionSYS10", "SYS10_TRANSLATIONS.DESCRIPTION");
      attribute2dbField.put("progressiveSys10SAL06", "SAL06_CHARGES.PROGRESSIVE_SYS10");
      attribute2dbField.put("valueSAL06", "SAL06_CHARGES.VALUE");
      attribute2dbField.put("percSAL06", "SAL06_CHARGES.PERC");
      attribute2dbField.put("vatCodeReg01SAL06", "SAL06_CHARGES.VAT_CODE_REG01");
      attribute2dbField.put("currencyCodeReg03SAL06", "SAL06_CHARGES.CURRENCY_CODE_REG03");
      attribute2dbField.put("enabledSAL06", "SAL06_CHARGES.ENABLED");

      ArrayList values = new ArrayList();
      values.add(serverLanguageId);

      // read from SAL06 table...
      Response res =
          CustomizeQueryUtil.getQuery(
              conn,
              userSessionPars,
              sql,
              values,
              attribute2dbField,
              ChargeVO.class,
              "Y",
              "N",
              context,
              gridParams,
              50,
              true,
              new BigDecimal(292) // window identifier...
              );
      if (res.isError()) return res;

      ArrayList list = ((VOListResponse) res).getRows();
      ChargeVO vo = null;
      sql =
          "select SYS10_TRANSLATIONS.DESCRIPTION,REG01_VATS.VALUE,REG01_VATS.DEDUCTIBLE "
              + "from SYS10_TRANSLATIONS,REG01_VATS where "
              + "REG01_VATS.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "REG01_VATS.VAT_CODE=?";
      pstmt = conn.prepareStatement(sql);
      ResultSet rset = null;
      for (int i = 0; i < list.size(); i++) {
        vo = (ChargeVO) list.get(i);
        if (vo.getVatCodeReg01SAL06() != null) {
          // retrieve vat data from REG01...
          pstmt.setString(1, serverLanguageId);
          pstmt.setString(2, vo.getVatCodeReg01SAL06());
          rset = pstmt.executeQuery();
          if (rset.next()) {
            vo.setVatDescriptionSYS10(rset.getString(1));
            vo.setVatValueREG01(rset.getBigDecimal(2));
            vo.setVatDeductibleREG01(rset.getBigDecimal(3));
          }
          rset.close();
        }
      }

      Response answer = res;

      // fires the GenericEvent.BEFORE_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.BEFORE_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));

      return answer;
    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching charges list",
          ex);
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception ex2) {
      }
      try {
        ConnectionManager.releaseConnection(conn, context);
      } catch (Exception ex1) {
      }
    }
  }
  /** Business logic to execute. */
  public final Response executeCommand(
      Object inputPar,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = ConnectionManager.getConnection(context);

      // fires the GenericEvent.CONNECTION_CREATED event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.CONNECTION_CREATED,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  null));

      Response responseVO =
          bean.insertItem(
              conn,
              (JournalHeaderVO) inputPar,
              userSessionPars,
              request,
              response,
              userSession,
              context);
      if (responseVO.isError()) {
        conn.rollback();
        return responseVO;
      }

      if (inputPar instanceof JournalHeaderWithVatVO) {
        JournalHeaderWithVatVO vo = (JournalHeaderWithVatVO) inputPar;

        // insert vat rows in the specified vat register...
        Response regRes =
            vatRegisterAction.insertVatRows(
                conn, vo.getVats(), userSessionPars, request, response, userSession, context);
        if (regRes.isError()) {
          conn.rollback();
          return regRes;
        }

        // retrieve payment instalments...
        Response payRes =
            payAction.executeCommand(
                new LookupValidationParams(vo.getPaymentCodeREG10(), new HashMap()),
                userSessionPars,
                request,
                response,
                userSession,
                context);
        if (payRes.isError()) {
          conn.rollback();
          return payRes;
        }
        PaymentVO payVO = (PaymentVO) ((VOListResponse) payRes).getRows().get(0);
        GridParams gridParams = new GridParams();
        gridParams
            .getOtherGridParams()
            .put(ApplicationConsts.PAYMENT_CODE_REG10, vo.getPaymentCodeREG10());
        payRes =
            paysAction.executeCommand(
                gridParams, userSessionPars, request, response, userSession, context);
        if (payRes.isError()) {
          conn.rollback();
          return payRes;
        }
        java.util.List rows = ((VOListResponse) payRes).getRows();

        // create expirations in DOC19 ONLY if:
        // - there are more than one instalment OR
        // - there is only one instalment and this instalment has more than 0 instalment days
        if (rows.size() > 1
            || (rows.size() == 1
                && ((PaymentInstalmentVO) rows.get(0)).getInstalmentDaysREG17().intValue() > 0)) {

          // retrieve internationalization settings (Resources object)...
          ServerResourcesFactory factory =
              (ServerResourcesFactory) context.getAttribute(Controller.RESOURCES_FACTORY);
          Resources resources = factory.getResources(userSessionPars.getLanguageId());

          PaymentInstalmentVO inVO = null;
          pstmt =
              conn.prepareStatement(
                  "insert into DOC19_EXPIRATIONS(COMPANY_CODE_SYS01,DOC_TYPE,DOC_YEAR,DOC_NUMBER,DOC_SEQUENCE,PROGRESSIVE,DOC_DATE,EXPIRATION_DATE,NAME_1,NAME_2,VALUE,PAYED,DESCRIPTION,CUSTOMER_SUPPLIER_CODE,PROGRESSIVE_REG04,CURRENCY_CODE_REG03) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
          long startTime = vo.getItemDateACC05().getTime(); // item date...
          if (payVO.getStartDayREG10().equals(ApplicationConsts.START_DAY_END_MONTH)) {
            Calendar cal = Calendar.getInstance();
            if (cal.get(cal.MONTH) == 10
                || cal.get(cal.MONTH) == 3
                || cal.get(cal.MONTH) == 5
                || cal.get(cal.MONTH) == 8) cal.set(cal.DAY_OF_MONTH, 30);
            else if (cal.get(cal.MONTH) == 1) {
              if (cal.get(cal.YEAR) % 4 == 0) cal.set(cal.DAY_OF_MONTH, 29);
              else cal.set(cal.DAY_OF_MONTH, 28);
            } else cal.set(cal.DAY_OF_MONTH, 31);
            startTime = cal.getTime().getTime();
          }
          BigDecimal amount = null;

          for (int i = 0; i < rows.size(); i++) {
            inVO = (PaymentInstalmentVO) rows.get(i);
            pstmt.setString(1, vo.getCompanyCodeSys01ACC05());
            pstmt.setString(2, vo.getDocTypeDOC19());
            pstmt.setBigDecimal(3, vo.getItemYearACC05());
            pstmt.setBigDecimal(4, null);
            pstmt.setBigDecimal(5, vo.getDocSequenceDOC19());
            pstmt.setBigDecimal(
                6,
                ProgressiveUtils.getConsecutiveProgressive(
                    "DOC19_EXPIRATIONS", "PROGRESSIVE", conn));
            pstmt.setDate(7, vo.getItemDateACC05());
            pstmt.setDate(
                8,
                new java.sql.Date(
                    startTime
                        + inVO.getInstalmentDaysREG17().longValue()
                            * 86400
                            * 1000)); // expiration date
            pstmt.setString(9, vo.getName_1REG04());
            pstmt.setString(10, vo.getName_2REG04());
            amount =
                vo.getTotalValue()
                    .multiply(inVO.getPercentageREG17())
                    .divide(new BigDecimal(100), BigDecimal.ROUND_HALF_UP)
                    .setScale(vo.getTotalValue().scale(), BigDecimal.ROUND_HALF_UP); // value

            pstmt.setBigDecimal(11, amount);
            pstmt.setString(12, "N");

            if (vo.getDocTypeDOC19().equals(ApplicationConsts.SALE_GENERIC_INVOICE))
              pstmt.setString(
                  13,
                  resources.getResource("sale generic document")
                      + " "
                      + vo.getDocSequenceDOC19()
                      + "/"
                      + vo.getItemYearACC05()
                      + " - "
                      + resources.getResource("valueREG01")
                      + " "
                      + resources.getResource("rateNumberREG17")
                      + " "
                      + (i + 1)
                      + " - "
                      + inVO.getPaymentTypeDescriptionSYS10()); // description
            else
              pstmt.setString(
                  13,
                  resources.getResource("purchase generic document")
                      + " "
                      + vo.getDocSequenceDOC19()
                      + "/"
                      + vo.getItemYearACC05()
                      + " - "
                      + resources.getResource("valueREG01")
                      + " "
                      + resources.getResource("rateNumberREG17")
                      + " "
                      + (i + 1)
                      + " - "
                      + inVO.getPaymentTypeDescriptionSYS10()); // description
            pstmt.setString(14, vo.getCustomerCodeSAL07());
            pstmt.setBigDecimal(15, vo.getProgressiveREG04());
            pstmt.setString(16, vo.getCurrencyCodeREG01());
            pstmt.execute();
          }
          pstmt.close();
        }

        // create an item registration for proceeds, according to expiration settings (e.g. retail
        // selling):
        // there must be only one instalment and this instalment has 0 instalment days
        if (rows.size() == 1
            && ((PaymentInstalmentVO) rows.get(0)).getInstalmentDaysREG17().intValue() == 0) {

          // retrieve internationalization settings (Resources object)...
          ServerResourcesFactory factory =
              (ServerResourcesFactory) context.getAttribute(Controller.RESOURCES_FACTORY);
          Resources resources = factory.getResources(userSessionPars.getLanguageId());

          HashMap map = new HashMap();
          map.put(ApplicationConsts.COMPANY_CODE_SYS01, vo.getCompanyCodeSys01ACC05());
          map.put(ApplicationConsts.PARAM_CODE, ApplicationConsts.CASE_ACCOUNT);
          Response res =
              userParamAction.executeCommand(
                  map, userSessionPars, request, response, userSession, context);
          if (res.isError()) {
            conn.rollback();
            return res;
          }
          String caseAccountCode = ((VOResponse) res).getVo().toString();

          JournalHeaderVO jhVO = new JournalHeaderVO();
          jhVO.setCompanyCodeSys01ACC05(vo.getCompanyCodeSys01ACC05());
          if (vo.getDocTypeDOC19().equals(ApplicationConsts.SALE_GENERIC_INVOICE)) {
            jhVO.setDescriptionACC05(
                resources.getResource("sale generic document")
                    + " "
                    + vo.getDocSequenceDOC19()
                    + "/"
                    + vo.getItemYearACC05()
                    + " - "
                    + resources.getResource("customer")
                    + " "
                    + vo.getName_1REG04()
                    + " "
                    + (vo.getName_2REG04() == null ? "" : vo.getName_2REG04()));
            jhVO.setAccountingMotiveCodeAcc03ACC05(ApplicationConsts.MOTIVE_INVOICE_PROCEEDS);
          } else {
            jhVO.setDescriptionACC05(
                resources.getResource("purchase generic document")
                    + " "
                    + vo.getDocSequenceDOC19()
                    + "/"
                    + vo.getItemYearACC05()
                    + " - "
                    + resources.getResource("supplier")
                    + " "
                    + vo.getName_1REG04()
                    + " "
                    + (vo.getName_2REG04() == null ? "" : vo.getName_2REG04()));
            jhVO.setAccountingMotiveCodeAcc03ACC05(ApplicationConsts.MOTIVE_PURCHASE_INVOICE_PAYED);
          }

          jhVO.setItemDateACC05(new java.sql.Date(System.currentTimeMillis()));
          jhVO.setItemYearACC05(new BigDecimal(Calendar.getInstance().get(Calendar.YEAR)));

          JournalRowVO jrVO = new JournalRowVO();
          jrVO.setCompanyCodeSys01ACC06(jhVO.getCompanyCodeSys01ACC05());
          if (vo.getDocTypeDOC19().equals(ApplicationConsts.SALE_GENERIC_INVOICE)) {
            jrVO.setAccountCodeAcc02ACC06(vo.getCreditAccountCodeAcc02SAL07());
            jrVO.setAccountCodeACC06(vo.getCustomerCodeSAL07());
            jrVO.setAccountCodeTypeACC06(ApplicationConsts.ACCOUNT_TYPE_CUSTOMER);
            jrVO.setCreditAmountACC06(vo.getTotalValue());
          } else {
            jrVO.setAccountCodeAcc02ACC06(vo.getDebitAccountCodeAcc02PUR01());
            jrVO.setAccountCodeACC06(vo.getSupplierCodePUR01());
            jrVO.setAccountCodeTypeACC06(ApplicationConsts.ACCOUNT_TYPE_SUPPLIER);
            jrVO.setDebitAmountACC06(vo.getTotalValue());
          }
          jrVO.setDescriptionACC06("");
          jrVO.setItemYearAcc05ACC06(jhVO.getItemYearACC05());
          jrVO.setProgressiveAcc05ACC06(jhVO.getProgressiveACC05());
          jhVO.addJournalRow(jrVO);

          jrVO = new JournalRowVO();
          jrVO.setCompanyCodeSys01ACC06(jhVO.getCompanyCodeSys01ACC05());
          jrVO.setAccountCodeAcc02ACC06(caseAccountCode);
          jrVO.setAccountCodeACC06(caseAccountCode);
          jrVO.setAccountCodeTypeACC06(ApplicationConsts.ACCOUNT_TYPE_ACCOUNT);
          if (vo.getDocTypeDOC19().equals(ApplicationConsts.SALE_GENERIC_INVOICE)) {
            jrVO.setDebitAmountACC06(vo.getTotalValue());
          } else {
            jrVO.setCreditAmountACC06(vo.getTotalValue());
          }
          jrVO.setDescriptionACC06("");
          jrVO.setItemYearAcc05ACC06(jhVO.getItemYearACC05());
          jrVO.setProgressiveAcc05ACC06(jhVO.getProgressiveACC05());
          jhVO.addJournalRow(jrVO);
          Response proceedsRes =
              bean.insertItem(conn, jhVO, userSessionPars, request, response, userSession, context);
          if (proceedsRes.isError()) {
            conn.rollback();
            return proceedsRes;
          }
        }
      }

      Response answer = responseVO;

      // fires the GenericEvent.BEFORE_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.BEFORE_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));

      conn.commit();

      // fires the GenericEvent.AFTER_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.AFTER_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));

      return answer;
    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "executeCommand",
          "Error while inserting a new item in the journal",
          ex);
      try {
        conn.rollback();
      } catch (Exception ex3) {
      }
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception ex2) {
      }
      try {
        ConnectionManager.releaseConnection(conn, context);
      } catch (Exception ex1) {
      }
    }
  }
  /** Business logic to execute. */
  public final Response executeCommand(
      Object inputPar,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    String serverLanguageId = ((JAIOUserSessionParameters) userSessionPars).getServerLanguageId();

    PreparedStatement pstmt = null;
    Connection conn = null;
    try {
      conn = ConnectionManager.getConnection(context);

      // fires the GenericEvent.CONNECTION_CREATED event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.CONNECTION_CREATED,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  null));

      GridParams pars = (GridParams) inputPar;

      BigDecimal rootProgressiveHIE01 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.ROOT_PROGRESSIVE_HIE01);
      BigDecimal progressiveHIE01 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.PROGRESSIVE_HIE01);
      BigDecimal progressiveHIE02 =
          (BigDecimal) pars.getOtherGridParams().get(ApplicationConsts.PROGRESSIVE_HIE02);
      Boolean productsOnly =
          (Boolean) pars.getOtherGridParams().get(ApplicationConsts.PRODUCTS_ONLY);
      Boolean compsOnly =
          (Boolean) pars.getOtherGridParams().get(ApplicationConsts.COMPONENTS_ONLY);

      HierarchyLevelVO vo =
          (HierarchyLevelVO) pars.getOtherGridParams().get(ApplicationConsts.TREE_FILTER);
      if (vo != null) {
        progressiveHIE01 = vo.getProgressiveHIE01();
        progressiveHIE02 = vo.getProgressiveHie02HIE01();
      }

      // retrieve companies list...
      ArrayList companiesList =
          ((JAIOUserSessionParameters) userSessionPars).getCompanyBa().getCompaniesList("ITM01");
      String companies = "";
      for (int i = 0; i < companiesList.size(); i++)
        companies += "'" + companiesList.get(i).toString() + "',";
      companies = companies.substring(0, companies.length() - 1);

      String sql =
          "select ITM01_ITEMS.COMPANY_CODE_SYS01,ITM01_ITEMS.ITEM_CODE,SYS10_TRANSLATIONS.DESCRIPTION,ITM01_ITEMS.PROGRESSIVE_HIE02,ITM01_ITEMS.MIN_SELLING_QTY_UM_CODE_REG02,"
              + "ITM01_ITEMS.PROGRESSIVE_HIE01,ITM01_ITEMS.SERIAL_NUMBER_REQUIRED,REG02_MEASURE_UNITS.DECIMALS "
              + " from ITM01_ITEMS,SYS10_TRANSLATIONS,REG02_MEASURE_UNITS where "
              + "ITM01_ITEMS.PROGRESSIVE_HIE02=? and "
              + "ITM01_ITEMS.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "ITM01_ITEMS.COMPANY_CODE_SYS01 in ("
              + companies
              + ") and "
              + "ITM01_ITEMS.ENABLED='Y' and "
              + "ITM01_ITEMS.MIN_SELLING_QTY_UM_CODE_REG02=REG02_MEASURE_UNITS.UM_CODE ";

      if (productsOnly != null && productsOnly.booleanValue())
        sql += " and ITM01_ITEMS.MANUFACTURE_CODE_PRO01 is not null ";

      if (compsOnly != null && compsOnly.booleanValue())
        sql += " and ITM01_ITEMS.MANUFACTURE_CODE_PRO01 is null ";

      if (rootProgressiveHIE01 == null || !rootProgressiveHIE01.equals(progressiveHIE01)) {
        // retrieve all subnodes of the specified node...
        pstmt =
            conn.prepareStatement(
                "select HIE01_LEVELS.PROGRESSIVE,HIE01_LEVELS.PROGRESSIVE_HIE01,HIE01_LEVELS.LEV from HIE01_LEVELS "
                    + "where ENABLED='Y' and PROGRESSIVE_HIE02=? and PROGRESSIVE>=? "
                    + "order by LEV,PROGRESSIVE_HIE01,PROGRESSIVE");
        pstmt.setBigDecimal(1, progressiveHIE02);
        pstmt.setBigDecimal(2, progressiveHIE01);
        ResultSet rset = pstmt.executeQuery();

        HashSet currentLevelNodes = new HashSet();
        HashSet newLevelNodes = new HashSet();
        String nodes = "";
        int currentLevel = -1;
        while (rset.next()) {
          if (currentLevel != rset.getInt(3)) {
            // next level...
            currentLevel = rset.getInt(3);
            currentLevelNodes = newLevelNodes;
            newLevelNodes = new HashSet();
          }
          if (rset.getBigDecimal(1).equals(progressiveHIE01)) {
            newLevelNodes.add(rset.getBigDecimal(1));
            nodes += rset.getBigDecimal(1) + ",";
          } else if (currentLevelNodes.contains(rset.getBigDecimal(2))) {
            newLevelNodes.add(rset.getBigDecimal(1));
            nodes += rset.getBigDecimal(1) + ",";
          }
        }
        rset.close();
        pstmt.close();
        if (nodes.length() > 0) nodes = nodes.substring(0, nodes.length() - 1);
        sql += " and PROGRESSIVE_HIE01 in (" + nodes + ")";
      }

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("companyCodeSys01ITM01", "ITM01_ITEMS.COMPANY_CODE_SYS01");
      attribute2dbField.put("itemCodeITM01", "ITM01_ITEMS.ITEM_CODE");
      attribute2dbField.put("descriptionSYS10", "SYS10_TRANSLATIONS.DESCRIPTION");
      attribute2dbField.put("progressiveHie02ITM01", "ITM01_ITEMS.PROGRESSIVE_HIE02");
      attribute2dbField.put(
          "minSellingQtyUmCodeReg02ITM01", "ITM01_ITEMS.MIN_SELLING_QTY_UM_CODE_REG02");
      attribute2dbField.put("progressiveHie01ITM01", "ITM01_ITEMS.PROGRESSIVE_HIE01");
      attribute2dbField.put("serialNumberRequiredITM01", "ITM01_ITEMS.SERIAL_NUMBER_REQUIRED");
      attribute2dbField.put("decimalsREG02", "REG02_MEASURE_UNITS.DECIMALS");

      ArrayList values = new ArrayList();
      values.add(progressiveHIE02);
      values.add(serverLanguageId);

      // read from ITM01 table...
      Response answer =
          QueryUtil.getQuery(
              conn,
              userSessionPars,
              sql,
              values,
              attribute2dbField,
              GridItemVO.class,
              "Y",
              "N",
              context,
              pars,
              50,
              true);

      // fires the GenericEvent.BEFORE_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.BEFORE_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));
      return answer;

    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching items list",
          ex);
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception ex2) {
      }
      try {
        ConnectionManager.releaseConnection(conn, context);
      } catch (Exception ex1) {
      }
    }
  }
  /** Business logic to execute. */
  public VOListResponse loadOutDeliveryNotesForSaleDoc(
      GridParams pars, String serverLanguageId, String username, ArrayList companiesList)
      throws Throwable {
    PreparedStatement pstmt = null;
    Connection conn = null;
    try {
      if (this.conn == null) conn = getConn();
      else conn = this.conn;

      // retrieve companies list...
      String companies = "";
      for (int i = 0; i < companiesList.size(); i++)
        companies += "'" + companiesList.get(i).toString() + "',";
      companies = companies.substring(0, companies.length() - 1);

      String sql =
          "select DOC08_DELIVERY_NOTES.COMPANY_CODE_SYS01,DOC08_DELIVERY_NOTES.DOC_TYPE,"
              + "DOC08_DELIVERY_NOTES.DOC_YEAR,DOC08_DELIVERY_NOTES.DOC_NUMBER,DOC08_DELIVERY_NOTES.DOC_DATE, "
              + "DOC08_DELIVERY_NOTES.DESTINATION_CODE_REG18,DOC08_DELIVERY_NOTES.DESCRIPTION,"
              + "DOC08_DELIVERY_NOTES.DOC_SEQUENCE "
              + " from DOC08_DELIVERY_NOTES where "
              + "DOC08_DELIVERY_NOTES.COMPANY_CODE_SYS01 in ("
              + companies
              + ") and "
              + "DOC08_DELIVERY_NOTES.ENABLED='Y' and "
              + "DOC08_DELIVERY_NOTES.DOC_TYPE=? and "
              + "DOC08_DELIVERY_NOTES.DOC_STATE=? and "
              + "(DOC08_DELIVERY_NOTES.COMPANY_CODE_SYS01,DOC08_DELIVERY_NOTES.DOC_TYPE,DOC08_DELIVERY_NOTES.DOC_YEAR,DOC08_DELIVERY_NOTES.DOC_NUMBER) "
              + " in (select DOC10_OUT_DELIVERY_NOTE_ITEMS.COMPANY_CODE_SYS01,DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_TYPE,DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_YEAR,DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_NUMBER "
              + " from DOC10_OUT_DELIVERY_NOTE_ITEMS where "
              + " DOC10_OUT_DELIVERY_NOTE_ITEMS.COMPANY_CODE_SYS01=? and "
              + " DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_TYPE_DOC01=? and "
              + " DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_YEAR_DOC01=? and "
              + " DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_NUMBER_DOC01=? ";

      DetailSaleDocVO docVO =
          (DetailSaleDocVO)
              pars.getOtherGridParams().get(ApplicationConsts.SALE_DOC_VO); // invoice document...
      if (docVO.getDocNumberDOC01() == null)
        sql +=
            " and DOC10_OUT_DELIVERY_NOTE_ITEMS.QTY-DOC10_OUT_DELIVERY_NOTE_ITEMS.INVOICE_QTY>0)";
      else sql += ")";

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("companyCodeSys01DOC08", "DOC08_DELIVERY_NOTES.COMPANY_CODE_SYS01");
      attribute2dbField.put("docTypeDOC08", "DOC08_DELIVERY_NOTES.DOC_TYPE");
      attribute2dbField.put("docYearDOC08", "DOC08_DELIVERY_NOTES.DOC_YEAR");
      attribute2dbField.put("docNumberDOC08", "DOC08_DELIVERY_NOTES.DOC_NUMBER");
      attribute2dbField.put("docDateDOC08", "DOC08_DELIVERY_NOTES.DOC_DATE");
      attribute2dbField.put(
          "destinationCodeReg18DOC08", "DOC08_DELIVERY_NOTES.DESTINATION_CODE_REG18");
      attribute2dbField.put("descriptionDOC08", "DOC08_DELIVERY_NOTES.DESCRIPTION");
      attribute2dbField.put("docSequenceDOC08", "DOC08_DELIVERY_NOTES.DOC_SEQUENCE");

      ArrayList values = new ArrayList();
      values.add(ApplicationConsts.OUT_DELIVERY_NOTE_DOC_TYPE);
      values.add(ApplicationConsts.CLOSED);
      values.add(docVO.getCompanyCodeSys01DOC01());
      values.add(docVO.getDocTypeDoc01DOC01());
      values.add(docVO.getDocYearDoc01DOC01());
      values.add(docVO.getDocNumberDoc01DOC01());

      // read from DOC08 table...
      Response res =
          QueryUtil.getQuery(
              conn,
              new UserSessionParameters(username),
              sql,
              values,
              attribute2dbField,
              OutDeliveryNotesVO.class,
              "Y",
              "N",
              null,
              pars,
              true);

      if (res.isError()) throw new Exception(res.getErrorMessage());

      // check if the invoice document has been already created and there exists delivery notes
      // linked to it...
      if (docVO.getDocNumberDOC01() != null) {
        pstmt =
            conn.prepareStatement(
                "select DOC08_DELIVERY_NOTES.DOC_NUMBER from DOC08_DELIVERY_NOTES where "
                    + "DOC08_DELIVERY_NOTES.COMPANY_CODE_SYS01 in ("
                    + companies
                    + ") and "
                    + "DOC08_DELIVERY_NOTES.ENABLED='Y' and "
                    + "DOC08_DELIVERY_NOTES.DOC_TYPE=? and "
                    + "DOC08_DELIVERY_NOTES.DOC_STATE=? and "
                    + "(DOC08_DELIVERY_NOTES.COMPANY_CODE_SYS01,DOC08_DELIVERY_NOTES.DOC_TYPE,DOC08_DELIVERY_NOTES.DOC_YEAR,DOC08_DELIVERY_NOTES.DOC_NUMBER) "
                    + " in (select DOC10_OUT_DELIVERY_NOTE_ITEMS.COMPANY_CODE_SYS01,DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_TYPE,DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_YEAR,DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_NUMBER "
                    + " from DOC10_OUT_DELIVERY_NOTE_ITEMS,DOC02_SELLING_ITEMS where "
                    + " DOC10_OUT_DELIVERY_NOTE_ITEMS.COMPANY_CODE_SYS01=? and "
                    + " DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_TYPE_DOC01=? and "
                    + " DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_YEAR_DOC01=? and "
                    + " DOC10_OUT_DELIVERY_NOTE_ITEMS.DOC_NUMBER_DOC01=? and "
                    + " DOC10_OUT_DELIVERY_NOTE_ITEMS.COMPANY_CODE_SYS01=DOC02_SELLING_ITEMS.COMPANY_CODE_SYS01 and "
                    + " DOC02_SELLING_ITEMS.DOC_TYPE=? and "
                    + " DOC02_SELLING_ITEMS.DOC_YEAR=? and "
                    + " DOC02_SELLING_ITEMS.DOC_NUMBER=? and "
                    + " DOC10_OUT_DELIVERY_NOTE_ITEMS.ITEM_CODE_ITM01=DOC02_SELLING_ITEMS.ITEM_CODE_ITM01)");

        pstmt.setString(1, ApplicationConsts.OUT_DELIVERY_NOTE_DOC_TYPE);
        pstmt.setString(2, ApplicationConsts.CLOSED);
        pstmt.setString(3, docVO.getCompanyCodeSys01DOC01());
        pstmt.setString(4, docVO.getDocTypeDoc01DOC01());
        pstmt.setBigDecimal(5, docVO.getDocYearDoc01DOC01());
        pstmt.setBigDecimal(6, docVO.getDocNumberDoc01DOC01());
        pstmt.setString(7, docVO.getDocTypeDOC01());
        pstmt.setBigDecimal(8, docVO.getDocYearDOC01());
        pstmt.setBigDecimal(9, docVO.getDocNumberDOC01());

        HashSet docNumberDOC08s = new HashSet();
        ResultSet rset = pstmt.executeQuery();
        while (rset.next()) docNumberDOC08s.add(rset.getBigDecimal(1));
        rset.close();

        java.util.List rows = ((VOListResponse) res).getRows();
        OutDeliveryNotesVO vo = null;
        for (int i = 0; i < rows.size(); i++) {
          vo = (OutDeliveryNotesVO) rows.get(i);
          if (docNumberDOC08s.contains(vo.getDocNumberDOC08())) vo.setSelected(Boolean.TRUE);
        }
      }

      Response answer = res;
      if (answer.isError()) throw new Exception(answer.getErrorMessage());
      else return (VOListResponse) answer;
    } catch (Throwable ex) {
      Logger.error(
          username,
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching out delivery notes list, related to the specified sale document",
          ex);
      throw new Exception(ex.getMessage());
    } finally {
      try {
        pstmt.close();
      } catch (Exception exx) {
      }
      try {
        if (this.conn == null && conn != null) {
          // close only local connection
          conn.commit();
          conn.close();
        }

      } catch (Exception exx) {
      }
    }
  }
  /** Business logic to execute. */
  public final Response executeCommand(
      Object inputPar,
      UserSessionParameters userSessionPars,
      HttpServletRequest request,
      HttpServletResponse response,
      HttpSession userSession,
      ServletContext context) {
    String serverLanguageId = ((JAIOUserSessionParameters) userSessionPars).getServerLanguageId();

    Connection conn = null;
    try {
      conn = ConnectionManager.getConnection(context);

      // fires the GenericEvent.CONNECTION_CREATED event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.CONNECTION_CREATED,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  null));

      String sql =
          "select SCH01_EMPLOYEES.COMPANY_CODE_SYS01,SCH01_EMPLOYEES.PROGRESSIVE_REG04,SCH01_EMPLOYEES.EMPLOYEE_CODE,"
              + "REG07_TASKS.TASK_CODE,REG04_SUBJECTS.NAME_1,REG04_SUBJECTS.NAME_2,SYS10_TRANSLATIONS.DESCRIPTION,SCH01_EMPLOYEES.PHONE_NUMBER,SCH01_EMPLOYEES.OFFICE "
              + "from SCH01_EMPLOYEES,SYS10_TRANSLATIONS,REG07_TASKS,REG04_SUBJECTS where "
              + "SCH01_EMPLOYEES.COMPANY_CODE_SYS01=REG07_TASKS.COMPANY_CODE_SYS01 and "
              + "SCH01_EMPLOYEES.TASK_CODE_REG07=REG07_TASKS.TASK_CODE and "
              + "REG07_TASKS.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "SCH01_EMPLOYEES.COMPANY_CODE_SYS01=REG04_SUBJECTS.COMPANY_CODE_SYS01 and "
              + "SCH01_EMPLOYEES.PROGRESSIVE_REG04=REG04_SUBJECTS.PROGRESSIVE and "
              + "SCH01_EMPLOYEES.ENABLED='Y'";

      GridParams gridParams = (GridParams) inputPar;

      if (gridParams.getOtherGridParams().get(ApplicationConsts.COMPANY_CODE_SYS01) != null) {
        sql +=
            " and SCH01_EMPLOYEES.COMPANY_CODE_SYS01='"
                + gridParams.getOtherGridParams().get(ApplicationConsts.COMPANY_CODE_SYS01)
                + "'";
      } else {
        // retrieve companies list...
        ArrayList companiesList =
            ((JAIOUserSessionParameters) userSessionPars).getCompanyBa().getCompaniesList("SCH01");
        String companies = "";
        for (int i = 0; i < companiesList.size(); i++)
          companies += "'" + companiesList.get(i).toString() + "',";
        companies = companies.substring(0, companies.length() - 1);

        sql += " and SCH01_EMPLOYEES.COMPANY_CODE_SYS01 in (" + companies + ")";
      }

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("companyCodeSys01SCH01", "SCH01_EMPLOYEES.COMPANY_CODE_SYS01");
      attribute2dbField.put("progressiveReg04SCH01", "SCH01_EMPLOYEES.PROGRESSIVE_REG04");
      attribute2dbField.put("name_1REG04", "REG04_SUBJECTS.NAME_1");
      attribute2dbField.put("name_2REG04", "REG04_SUBJECTS.NAME_2");
      attribute2dbField.put("phoneNumberSCH01", "SCH01_EMPLOYEES.PHONE_NUMBER");
      attribute2dbField.put("officeSCH01", "SCH01_EMPLOYEES.OFFICE");
      attribute2dbField.put("employeeCodeSCH01", "SCH01_EMPLOYEES.EMPLOYEE_CODE");
      attribute2dbField.put("descriptionSYS10", "SYS10_TRANSLATIONS.DESCRIPTION");
      attribute2dbField.put("taskCodeReg07SCH01", "REG07_TASKS.TASK_CODE");

      ArrayList values = new ArrayList();
      values.add(serverLanguageId);

      if (gridParams.getOtherGridParams().get(ApplicationConsts.TASK_CODE_REG07) != null) {
        sql +=
            " and SCH01_EMPLOYEES.TASK_CODE_REG07='"
                + gridParams.getOtherGridParams().get(ApplicationConsts.TASK_CODE_REG07)
                + "'";
      }

      // read from SCH01 table...
      Response answer =
          QueryUtil.getQuery(
              conn,
              userSessionPars,
              sql,
              values,
              attribute2dbField,
              GridEmployeeVO.class,
              "Y",
              "N",
              context,
              gridParams,
              50,
              true);

      // fires the GenericEvent.BEFORE_COMMIT event...
      EventsManager.getInstance()
          .processEvent(
              new GenericEvent(
                  this,
                  getRequestName(),
                  GenericEvent.BEFORE_COMMIT,
                  (JAIOUserSessionParameters) userSessionPars,
                  request,
                  response,
                  userSession,
                  context,
                  conn,
                  inputPar,
                  answer));
      return answer;

    } catch (Throwable ex) {
      Logger.error(
          userSessionPars.getUsername(),
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching employees list",
          ex);
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        ConnectionManager.releaseConnection(conn, context);
      } catch (Exception ex1) {
      }
    }
  }
  /** Business logic to execute. */
  public VOListResponse loadLedger(
      GridParams gridParams,
      String serverLanguageId,
      String username,
      ArrayList companiesList,
      ArrayList customizedFields)
      throws Throwable {
    Connection conn = null;
    try {
      if (this.conn == null) conn = getConn();
      else conn = this.conn;

      // retrieve companies list...
      String companies = "";
      if (gridParams.getOtherGridParams().get(ApplicationConsts.COMPANY_CODE_SYS01) != null) {
        companies =
            "'" + gridParams.getOtherGridParams().get(ApplicationConsts.COMPANY_CODE_SYS01) + "'";
      } else {
        for (int i = 0; i < companiesList.size(); i++)
          companies += "'" + companiesList.get(i).toString() + "',";
        companies = companies.substring(0, companies.length() - 1);
      }

      String sql =
          "select ACC01_LEDGER.COMPANY_CODE_SYS01,ACC01_LEDGER.LEDGER_CODE,ACC01_LEDGER.PROGRESSIVE_SYS10,SYS10_TRANSLATIONS.DESCRIPTION,ACC01_LEDGER.ENABLED,ACC01_LEDGER.ACCOUNT_TYPE from ACC01_LEDGER,SYS10_TRANSLATIONS where "
              + "ACC01_LEDGER.PROGRESSIVE_SYS10=SYS10_TRANSLATIONS.PROGRESSIVE and "
              + "SYS10_TRANSLATIONS.LANGUAGE_CODE=? and "
              + "ACC01_LEDGER.ENABLED='Y' and ACC01_LEDGER.COMPANY_CODE_SYS01 in ("
              + companies
              + ")";

      Map attribute2dbField = new HashMap();
      attribute2dbField.put("ledgerCodeACC01", "ACC01_LEDGER.LEDGER_CODE");
      attribute2dbField.put("descriptionSYS10", "SYS10_TRANSLATIONS.DESCRIPTION");
      attribute2dbField.put("progressiveSys10ACC01", "ACC01_LEDGER.PROGRESSIVE_SYS10");
      attribute2dbField.put("enabledACC01", "ACC01_LEDGER.ENABLED");
      attribute2dbField.put("companyCodeSys01ACC01", "ACC01_LEDGER.COMPANY_CODE_SYS01");
      attribute2dbField.put("accountTypeACC01", "ACC01_LEDGER.ACCOUNT_TYPE");

      ArrayList values = new ArrayList();
      values.add(serverLanguageId);

      // read from ACC01 table...
      Response answer =
          CustomizeQueryUtil.getQuery(
              conn,
              new UserSessionParameters(username),
              sql,
              values,
              attribute2dbField,
              LedgerVO.class,
              "Y",
              "N",
              null,
              gridParams,
              true,
              customizedFields);

      if (answer.isError()) throw new Exception(answer.getErrorMessage());
      else return (VOListResponse) answer;

    } catch (Throwable ex) {
      Logger.error(
          username,
          this.getClass().getName(),
          "executeCommand",
          "Error while fetching the ledger",
          ex);
      throw new Exception(ex.getMessage());
    } finally {
      try {
        if (this.conn == null && conn != null) {
          // close only local connection
          conn.commit();
          conn.close();
        }

      } catch (Exception exx) {
      }
    }
  }