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Java > Open Source Codes > net > mlw > vlh > adapter > jdbc > dynabean > DefaultDynaBeanAdapter


1 /**
2  * Copyright (c) 2003 held jointly by the individual authors.
3  *
4  * This library is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License as published
6  * by the Free Software Foundation; either version 2.1 of the License, or
7  * (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; with out even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation,
16  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17  *
18  * > http://www.gnu.org/copyleft/lesser.html
19  * > http://www.opensource.org/licenses/lgpl-license.php
20  */
21 package net.mlw.vlh.adapter.jdbc.dynabean;
22
23 import java.sql.ResultSet JavaDoc;
24 import java.sql.SQLException JavaDoc;
25 import java.util.ArrayList JavaDoc;
26 import java.util.Iterator JavaDoc;
27 import java.util.List JavaDoc;
28
29 import net.mlw.vlh.ValueListInfo;
30 import net.mlw.vlh.adapter.jdbc.AbstractDynaJdbcAdapter;
31 import net.mlw.vlh.adapter.jdbc.dynabean.fix.ResultSetDynaClass;
32
33 import org.apache.commons.beanutils.BasicDynaBean;
34 import org.apache.commons.beanutils.BasicDynaClass;
35 import org.apache.commons.beanutils.DynaBean;
36 import org.apache.commons.beanutils.DynaProperty;
37 import org.apache.commons.logging.Log;
38 import org.apache.commons.logging.LogFactory;
39
40 /**
41  * This ValueListAdapter returns a ValueList of DynaBean(s).
42  * @see net.mlw.vlh.adapter.jdbc.AbstractDynaJdbcAdapter
43  * @see net.mlw.vlh.adapter.jdbc.AbstractJdbcAdapter
44  *
45  * @author Matthew L. Wilson, Andrej Zachar
46  * @version $Revision: 1.6 $ $Date: 2005/08/19 16:06:29 $
47  */
48 public class DefaultDynaBeanAdapter extends AbstractDynaJdbcAdapter
49 {
50
51    private static final Log LOGGER = LogFactory.getLog(DefaultDynaBeanAdapter.class);
52
53    public List JavaDoc processResultSet(String JavaDoc name, ResultSet JavaDoc result, int numberPerPage, ValueListInfo info) throws SQLException JavaDoc
54    {
55       List JavaDoc list = new ArrayList JavaDoc();
56
57       ResultSetDynaClass rsdc = new ResultSetDynaClass(result, false, isUseName());
58       BasicDynaClass bdc = new BasicDynaClass(name, BasicDynaBean.class, rsdc.getDynaProperties());
59
60       int rowIndex = 0;
61       for (Iterator JavaDoc rows = rsdc.iterator(); rows.hasNext() && rowIndex < numberPerPage; rowIndex++)
62       {
63          try
64          {
65             DynaBean oldRow = (DynaBean) rows.next();
66             DynaBean newRow = bdc.newInstance();
67
68             DynaProperty[] properties = oldRow.getDynaClass().getDynaProperties();
69             for (int i = 0, length = properties.length; i < length; i++)
70             {
71                String JavaDoc propertyName = properties[i].getName();
72                Object JavaDoc value = oldRow.get(propertyName);
73                newRow.set(propertyName, value);
74             }
75
76             list.add(newRow);
77          }
78          catch (Exception JavaDoc e)
79          {
80             LOGGER.error(e);
81          }
82       }
83
84       return list;
85    }
86 }
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