@VisibleForTesting
static String[] extractInfos(final String detail) {
final Matcher matcher = DETAIL_REGEXP.matcher(detail);
final boolean matches = matcher.matches();
Check.errorUnless(
matches, "given string={} does not match our regexp={}", detail, DETAIL_REGEXP);
final String referencedTableName = matcher.group(1);
final String referencedRecordId = matcher.group(3);
final String referencingTableName = matcher.group(4);
final String referencingColumnName = matcher.group(6);
return new String[] {
referencedTableName, referencedRecordId, referencingTableName, referencingColumnName
};
}
@Override
public DBException wrapIfNeededOrReturnNull(final Throwable t) {
final Boolean referencingTableHasDLMLevel;
if (DBException.isSQLState(t, PG_SQLSTATE_Referencing_Record_Has_Wrong_DLM_Level)) {
referencingTableHasDLMLevel = true;
} else if (DBException.isSQLState(t, PG_SQLSTATE_Referencing_Table_Has_No_DLM_LEvel)) {
referencingTableHasDLMLevel = false;
} else {
return null;
}
//
// parse the exception detail and extract the infos
final SQLException sqlException = DBException.extractSQLExceptionOrNull(t);
Check.errorUnless(
sqlException instanceof PSQLException,
"exception={} needs to be a PSQLExcetion",
sqlException);
final PSQLException psqlException = (PSQLException) sqlException;
final ServerErrorMessage serverErrorMessage = psqlException.getServerErrorMessage();
Check.errorIf(
serverErrorMessage == null,
"ServerErrorMessage of PSQLException={} may not be null",
psqlException);
final String detail = serverErrorMessage.getDetail();
Check.errorIf(
Check.isEmpty(detail, true),
"DETAIL ServerErrorMessage={} from of PSQLException={} may not be null",
serverErrorMessage,
psqlException);
final String[] infos = extractInfos(detail);
//
// the the "real" tables and column from the extracted lowercase infos
final IADTableDAO adTableDAO = Services.get(IADTableDAO.class);
final I_AD_Table referencedTable = adTableDAO.retrieveTable(infos[0]);
Check.errorIf(
referencedTable == null,
"Unable to retrieve an AD_Table for referencedTable name={}",
infos[0]);
final I_AD_Table referencingTable = adTableDAO.retrieveTable(infos[2]);
Check.errorIf(
referencingTable == null,
"Unable to retrieve an AD_Table for referencingTable name={}",
infos[2]);
final I_AD_Column referencingColumn =
adTableDAO.retrieveColumn(referencingTable.getTableName(), infos[3]);
Check.errorIf(
referencingTable == null,
"Unable to retrieve an AD_Column for referencingTable name={} and referencingColumn name={}",
infos[2],
infos[3]);
return new DLMReferenceException(
t,
TableReferenceDescriptor.of(
referencingTable.getTableName(),
referencingColumn.getColumnName(),
referencedTable.getTableName(),
Integer.parseInt(infos[1])),
referencingTableHasDLMLevel);
}