View Javadoc

1   /*
2   Copyright (c) 2007 Health Market Science, Inc.
3   
4   This library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8   
9   This library is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  Lesser General Public License for more details.
13  
14  You should have received a copy of the GNU Lesser General Public
15  License along with this library; if not, write to the Free Software
16  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
17  USA
18  
19  You can contact Health Market Science at info@healthmarketscience.com
20  or at the following address:
21  
22  Health Market Science
23  2700 Horizon Drive
24  Suite 200
25  King of Prussia, PA 19406
26  */
27  
28  package com.healthmarketscience.jackcess;
29  
30  import java.io.IOException;
31  import java.sql.ResultSetMetaData;
32  import java.sql.SQLException;
33  import java.util.List;
34  
35  /**
36   * Interface which allows customization of the behavior of the
37   * <code>Database<</code> import/copy methods.
38   *
39   * @author James Ahlborn
40   */
41  public interface ImportFilter {
42  
43    /**
44     * The columns that should be used to create the imported table.
45     * @param destColumns the columns as determined by the import code, may be
46     *                    directly modified and returned
47     * @param srcColumns the sql metadata, only available if importing from a
48     *                   JDBC source
49     * @return the columns to use when creating the import table
50     */
51    public List<Column> filterColumns(List<Column> destColumns,
52                                      ResultSetMetaData srcColumns)
53       throws SQLException, IOException;
54  
55    /**
56     * The desired values for the row.
57     * @param row the row data as determined by the import code, may be directly
58     *            modified
59     * @return the row data as it should be written to the import table
60     */
61    public Object[] filterRow(Object[] row)
62      throws SQLException, IOException;
63  
64  }