/* Copyright (c) 2008 Health Market Science, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA You can contact Health Market Science at info@healthmarketscience.com or at the following address: Health Market Science 2700 Horizon Drive Suite 200 King of Prussia, PA 19406 */ package com.healthmarketscience.jackcess; import java.io.IOException; /** * Handler for errors encountered while reading a column of row data from a * Table. An instance of this class may be configured at the Database, Table, * or Cursor level to customize error handling as desired. The default * instance used is {@link Database#DEFAULT_ERROR_HANDLER}, which just * rethrows any exceptions encountered. * * @author James Ahlborn */ public interface ErrorHandler { /** * Handles an error encountered while reading a column of data from a Table * row. Handler may either throw an exception (which will be propagated * back to the caller) or return a replacement for this row's column value * (in which case the row will continue to be read normally). * * @param column the info for the column being read * @param columnData the actual column data for the column being read (which * may be {@code null} depending on when the exception * was thrown during the reading process) * @param rowState the current row state for the caller * @param error the error that was encountered * * @return replacement for this row's column */ public Object handleRowError(Column column, byte[] columnData, Table.RowState rowState, Exception error) throws IOException; }