/**
* Validate column names and return a string if there's a validation warning.
*
* @param dao Data access object to validate columns for
* @return A validation warning or null
*/
public static String validateColumns(DataAccessObject dao) {
HashSet<String> uniqueHeaders = new HashSet<String>();
String warning = null;
for (String header : dao.getColumnNames()) {
if (header == null || header.length() == 0) {
warning = Messages.getString("RowUtil.warningEmptyColumn"); // $NON-NLS-1$
break;
} else if (uniqueHeaders.contains(header)) {
warning =
Messages.getFormattedString("RowUtil.warningDuplicateColumn", header); // $NON-NLS-1$
break;
}
uniqueHeaders.add(header);
}
if (warning != null) {
logger.warn(warning);
}
return warning;
}
private void processResult(
Map<String, Object> dataRow, boolean isSuccess, String id, Error[] errors)
throws DataAccessObjectException {
// process success vs. error
// extract error message from error result
if (isSuccess) {
writeSuccess(dataRow, id, null);
} else {
writeError(
dataRow,
errors == null
? Messages.getString("Visitor.noErrorReceivedMsg")
: errors[0].getMessage());
}
}
/**
* Utility function for calculating the total number of rows available to current DAO instance
*
* @throws DataAccessObjectException
*/
public static int calculateTotalRows(DataReader dataReader) throws DataAccessObjectException {
try {
// visit the rows
DAOSizeVisitor visitor = new DAOSizeVisitor();
for (Row row = dataReader.readRow(); isValidRow(row); row = dataReader.readRow()) {
visitor.visit(row);
}
return visitor.getNumberOfRows();
} catch (DataAccessObjectException daoe) {
logger.error(Messages.getString("RowUtil.error"), daoe); // $NON-NLS-1$
throw daoe;
} finally {
// since we've read all the rows, reopen the reader to reset the input
dataReader.close();
dataReader.open();
}
}
private void writeOutputToWriter(Object[] results, List<Map<String, Object>> dataArray)
throws DataAccessObjectException, LoadException {
if (results.length != dataArray.size()) {
getLogger().fatal(Messages.getString("Visitor.errorResultsLength")); // $NON-NLS-1$
throw new LoadException(Messages.getString("Visitor.errorResultsLength"));
}
// have to do this because although saveResult and deleteResult
// are a) not the same class yet b) not subclassed
for (int i = 0; i < results.length; i++) {
Map<String, Object> dataRow = dataArray.get(i);
String statusMsg = null;
if (results instanceof SaveResult[]) {
SaveResult saveRes = (SaveResult) results[i];
if (saveRes.getSuccess()) {
if (OperationInfo.insert == getConfig().getOperationInfo()) {
statusMsg = Messages.getString("DAOLoadVisitor.statusItemCreated");
} else {
statusMsg = Messages.getString("DAOLoadVisitor.statusItemUpdated");
}
}
dataRow.put(Config.STATUS_COLUMN_NAME, statusMsg);
processResult(dataRow, saveRes.getSuccess(), saveRes.getId(), saveRes.getErrors());
} else if (results instanceof DeleteResult[]) {
DeleteResult deleteRes = (DeleteResult) results[i];
if (deleteRes.getSuccess()) {
statusMsg = Messages.getString("DAOLoadVisitor.statusItemDeleted");
}
dataRow.put(Config.STATUS_COLUMN_NAME, statusMsg);
processResult(dataRow, deleteRes.getSuccess(), deleteRes.getId(), deleteRes.getErrors());
} else if (results instanceof UpsertResult[]) {
UpsertResult upsertRes = (UpsertResult) results[i];
if (upsertRes.getSuccess()) {
statusMsg =
upsertRes.getCreated()
? Messages.getString("DAOLoadVisitor.statusItemCreated")
: Messages.getString("DAOLoadVisitor.statusItemUpdated");
}
dataRow.put(Config.STATUS_COLUMN_NAME, statusMsg);
processResult(dataRow, upsertRes.getSuccess(), upsertRes.getId(), upsertRes.getErrors());
}
}
}
@Override
protected void loadBatch() throws DataAccessObjectException, LoadException {
Object[] results = null;
try {
results = executeClientAction(getController().getPartnerClient(), dynaArray);
} catch (ApiFault e) {
handleException(e);
} catch (ConnectionException e) {
handleException(e);
}
// set the current processed
int currentProcessed;
try {
currentProcessed = getConfig().getInt(LastRun.LAST_LOAD_BATCH_ROW);
} catch (ParameterLoadException e) {
// if there's a problem getting last batch row, start at the beginning
currentProcessed = 0;
}
currentProcessed += results.length;
getConfig().setValue(LastRun.LAST_LOAD_BATCH_ROW, currentProcessed);
try {
getConfig().saveLastRun();
} catch (IOException e) {
String errMsg = Messages.getString("LoadAction.errorLastRun");
getLogger().error(errMsg, e);
handleException(errMsg, e);
}
writeOutputToWriter(results, dataArray);
// update Monitor
getProgressMonitor().worked(results.length);
getProgressMonitor()
.setSubTask(getRateCalculator().calculateSubTask(getNumberOfRows(), getNumberErrors()));
// now clear the arrays
clearArrays();
}
private void handleError(final Exception e, String msgKey) throws LoadException {
final String errMsg = Messages.getMessage(getClass(), msgKey);
logger.error(errMsg, e);
throw new LoadException(errMsg, e);
}