/**
* 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) {
}
}
}