public static JDBCException convert(SQLExceptionConverter converter,
    SQLException sqlException,
    String message) 
{
		return convert( converter, sqlException, message, "???" );
}

Converts the given SQLException into Hibernate's JDBCException hierarchy, as well as performing appropriate logging.

 public static JDBCException convert(SQLExceptionConverter converter,
    SQLException sqlException,
    String message,
    String sql) 
{
		JDBCExceptionReporter.logExceptions( sqlException, message + " [" + sql + "]" );
		return converter.convert( sqlException, message, sql );
}

Converts the given SQLException into Hibernate's JDBCException hierarchy, as well as performing appropriate logging.

 public static String determineSqlStateClassCode(String sqlState) 
{
		if ( sqlState == null || sqlState.length() <  2 ) {
			return sqlState;
		}
		return sqlState.substring( 0, 2 );
}

 public static int extractErrorCode(SQLException sqlException) 
{
		int errorCode = sqlException.getErrorCode();
		SQLException nested = sqlException.getNextException();
		while ( errorCode == 0 && nested != null ) {
			errorCode = nested.getErrorCode();
			nested = nested.getNextException();
		}
		return errorCode;
}

For the given SQLException, locates the vendor-specific error code.

 public static String extractSqlState(SQLException sqlException) 
{
		String sqlState = sqlException.getSQLState();
		SQLException nested = sqlException.getNextException();
		while ( sqlState == null && nested != null ) {
			sqlState = nested.getSQLState();
			nested = nested.getNextException();
		}
		return sqlState;
}

For the given SQLException, locates the X/Open-compliant SQLState.

 public static String extractSqlStateClassCode(SQLException sqlException) 
{
		return determineSqlStateClassCode( extractSqlState( sqlException ) );
}

For the given SQLException, locates the X/Open-compliant SQLState's class code.