コード例 #1
0
  /**
   * Method called by the Form panel to delete existing data.
   *
   * @param persistentObject value object to delete
   * @return an ErrorResponse value object in case of errors, VOResponse if the operation is
   *     successfully completed
   */
  public Response deleteRecord(ValueObject persistentObject) throws Exception {
    PreparedStatement stmt = null;
    try {
      stmt = conn.prepareStatement("delete from DEMO4 where TEXT=?");
      DetailTestVO vo = (DetailTestVO) persistentObject;
      stmt.setString(1, vo.getStringValue());
      stmt.execute();

      // this instruction is no more needed: the grid has been linked to the Form (see Form.linkGrid
      // method...)
      //      gridFrame.reloadData();
      return new VOResponse(vo);
    } catch (SQLException ex) {
      ex.printStackTrace();
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        stmt.close();
        conn.commit();
      } catch (SQLException ex1) {
      }
    }
  }
コード例 #2
0
  /**
   * This method must be overridden by the subclass to retrieve data and return the valorized value
   * object.
   *
   * @param valueObjectClass value object class
   * @return a VOResponse object if data loading is successfully completed, or an ErrorResponse
   *     object if an error occours
   */
  public Response loadData(Class valueObjectClass) {
    Statement stmt = null;
    try {
      // since this method could be invoked also when selecting another row on the linked grid,
      // the pk attribute must be recalculated from the grid...
      int row = gridFrame.getGrid().getSelectedRow();
      if (row != -1) {
        TestVO gridVO = (TestVO) gridFrame.getGrid().getVOListTableModel().getObjectForRow(row);
        pk = gridVO.getStringValue();
      }

      stmt = conn.createStatement();
      ResultSet rset =
          stmt.executeQuery(
              "select DEMO4.TEXT,DEMO4.DECNUM,DEMO4.CURRNUM,DEMO4.THEDATE,DEMO4.COMBO,DEMO4.CHECK_BOX,DEMO4.RADIO,DEMO4.CODE,"
                  + "DEMO4_LOOKUP.DESCRCODE,DEMO4.TA,DEMO4.FORMATTED_TEXT,DEMO4.URI,DEMO4.LINK_LABEL,DEMO4.YEAR,DEMO4.FILENAME "
                  + "from DEMO4,DEMO4_LOOKUP where TEXT='"
                  + pk
                  + "' and DEMO4.CODE=DEMO4_LOOKUP.CODE");
      if (rset.next()) {
        DetailTestVO vo = new DetailTestVO();
        vo.setCheckValue(
            rset.getObject(6) == null || !rset.getObject(6).equals("Y")
                ? Boolean.FALSE
                : Boolean.TRUE);
        vo.setCombo(new ComboVO());
        vo.getCombo().setCode(rset.getString(5));

        // this is a simplification: in a real situation combo v.o. will be retrieved from the
        // database...
        Domain d = ClientSettings.getInstance().getDomain("ORDERSTATE");
        if (vo.getCombo().getCode().equals("O")) vo.getCombo().setDescription("opened");
        else if (vo.getCombo().getCode().equals("S")) vo.getCombo().setDescription("sospended");
        else if (vo.getCombo().getCode().equals("D")) vo.getCombo().setDescription("delivered");
        else if (vo.getCombo().getCode().equals("C")) vo.getCombo().setDescription("closed");

        vo.setCurrencyValue(rset.getBigDecimal(3));
        vo.setDateValue(rset.getDate(4));
        vo.setNumericValue(rset.getBigDecimal(2));
        vo.setRadioButtonValue(
            rset.getObject(7) == null || !rset.getObject(7).equals("Y")
                ? Boolean.FALSE
                : Boolean.TRUE);
        vo.setStringValue(rset.getString(1));
        vo.setLookupValue(rset.getString(8));
        vo.setDescrLookupValue(rset.getString(9));
        vo.setTaValue(rset.getString(10));
        vo.setFormattedTextValue(rset.getString(11));
        vo.setUri(rset.getString(12));
        vo.setLinkLabel(rset.getString(13));
        vo.setYear(rset.getBigDecimal(14));
        vo.setFilename(rset.getString(15));
        vo.setTooltipURI(vo.getUri());

        try {
          if (vo.getFilename() != null) {
            File f = new File(vo.getFilename());
            BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
            byte[] bytes = new byte[(int) f.length()];
            in.read(bytes);
            in.close();
            vo.setFile(bytes);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
        }

        stmt.close();
        stmt = conn.createStatement();
        rset =
            stmt.executeQuery(
                "select DEMO4_LIST_VALUES.CODE from DEMO4_LIST_VALUES where TEXT='" + pk + "'");
        ArrayList codes = new ArrayList();
        while (rset.next()) {
          codes.add(rset.getString(1));
        }
        vo.setListValues(codes);

        return new VOResponse(vo);
      } else return new ErrorResponse("No data found.");
    } catch (SQLException ex) {
      ex.printStackTrace();
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        stmt.close();
      } catch (Exception ex1) {
      }
    }
  }
コード例 #3
0
  /**
   * Method called by the Form panel to update existing data.
   *
   * @param oldPersistentObject original value object, previous to the changes
   * @param persistentObject value object to save
   * @return an ErrorResponse value object in case of errors, VOResponse if the operation is
   *     successfully completed
   */
  public Response updateRecord(ValueObject oldPersistentObject, ValueObject persistentObject)
      throws Exception {
    PreparedStatement stmt = null;
    try {
      stmt =
          conn.prepareStatement(
              "update DEMO4 set TEXT=?,DECNUM=?,CURRNUM=?,THEDATE=?,COMBO=?,CHECK_BOX=?,RADIO=?,CODE=?,TA=?,FORMATTED_TEXT=?,URI=?,LINK_LABEL=?,YEAR=?,FILENAME=? where TEXT=?");
      DetailTestVO vo = (DetailTestVO) persistentObject;
      DetailTestVO oldVO = (DetailTestVO) oldPersistentObject;
      stmt.setObject(
          6, vo.getCheckValue() == null || !vo.getCheckValue().booleanValue() ? "N" : "Y");
      stmt.setString(5, vo.getCombo().getCode());
      stmt.setBigDecimal(3, vo.getCurrencyValue());
      stmt.setDate(4, vo.getDateValue());
      stmt.setBigDecimal(2, vo.getNumericValue());
      stmt.setObject(
          7,
          vo.getRadioButtonValue() == null || !vo.getRadioButtonValue().booleanValue() ? "N" : "Y");
      stmt.setString(1, vo.getStringValue());
      stmt.setString(8, vo.getLookupValue());
      stmt.setString(9, vo.getTaValue());
      stmt.setString(10, vo.getFormattedTextValue());
      stmt.setString(11, vo.getUri());
      stmt.setString(12, vo.getLinkLabel());
      stmt.setBigDecimal(13, vo.getYear());
      stmt.setString(14, vo.getFilename());
      stmt.setString(15, oldVO.getStringValue());
      stmt.execute();

      stmt.close();
      stmt = conn.prepareStatement("delete from DEMO4_LIST_VALUES where TEXT=?");
      stmt.setString(1, pk);
      stmt.execute();

      if (vo.getListValues() != null) {
        stmt.close();
        stmt = conn.prepareStatement("insert into DEMO4_LIST_VALUES(TEXT,CODE) values(?,?)");

        for (int i = 0; i < vo.getListValues().size(); i++) {
          stmt.setString(1, pk);
          stmt.setString(2, vo.getListValues().get(i).toString());
          stmt.execute();
        }
      }

      try {
        if (vo.getFilename() != null && vo.getFile() != null) {
          File f = new File(vo.getFilename());
          BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));
          out.write(vo.getFile());
          out.close();
        }
      } catch (Exception ex) {
        ex.printStackTrace();
      }

      // this instruction is no more needed: the grid has been linked to the Form (see Form.linkGrid
      // method...)
      //      gridFrame.reloadData();
      return new VOResponse(vo);
    } catch (SQLException ex) {
      ex.printStackTrace();
      return new ErrorResponse(ex.getMessage());
    } finally {
      try {
        stmt.close();
        conn.commit();
      } catch (SQLException ex1) {
      }
    }
  }