/** * 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 { EmpVO vo = (EmpVO) persistentObject; // delete from WORKING_DAYS... stmt = conn.prepareStatement("delete from WORKING_DAYS where EMP_CODE=?"); stmt.setString(1, vo.getEmpCode()); stmt.execute(); stmt.close(); // delete from EMP... stmt = conn.prepareStatement("delete from EMP where EMP_CODE=?"); stmt.setString(1, vo.getEmpCode()); stmt.execute(); gridFrame.reloadData(); frame.getGrid().clearData(); return new VOResponse(vo); } catch (SQLException ex) { ex.printStackTrace(); return new ErrorResponse(ex.getMessage()); } finally { try { stmt.close(); conn.commit(); } catch (SQLException ex1) { } } }
/** * 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) { } } }
/** * 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) { } } }
/** * 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) { } } }