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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;
24  import java.sql.SQLException;
25  import java.util.ArrayList;
26  import java.util.Iterator;
27  import java.util.List;
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 processResultSet(String name, ResultSet result, int numberPerPage, ValueListInfo info) throws SQLException
54     {
55        List list = new ArrayList();
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 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 propertyName = properties[i].getName();
72                 Object value = oldRow.get(propertyName);
73                 newRow.set(propertyName, value);
74              }
75  
76              list.add(newRow);
77           }
78           catch (Exception e)
79           {
80              LOGGER.error(e);
81           }
82        }
83  
84        return list;
85     }
86  }