1 /*
2 * Copyright (c) 2002-2014, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.plugins.dbpage.business;
35
36 import fr.paris.lutece.portal.service.database.PluginConnectionService;
37 import fr.paris.lutece.portal.service.util.AppException;
38
39 import java.sql.Connection;
40 import java.sql.ResultSet;
41 import java.sql.ResultSetMetaData;
42 import java.sql.SQLException;
43 import java.sql.Statement;
44
45 import java.util.ArrayList;
46 import java.util.List;
47
48
49 /**
50 * This class provides Data Access methods for DbPage DAO objects
51 */
52 public final class DbPageDAO implements IDbPageDAO
53 {
54 /**
55 * Returns a list of lists of String
56 * @param strRequest The SQL request
57 * @param connectionService The PluginConnectionService
58 * @throws SQLException An exception which is related in the sql handling
59 * @return a Collection of the Columns' values
60 */
61 public List<List<String>> selectRows( String strRequest, PluginConnectionService connectionService )
62 throws SQLException
63 {
64 Connection connection = null;
65 Statement statement = null;
66 String strSQL = strRequest;
67
68 try
69 {
70 connection = connectionService.getConnection( );
71 statement = connection.createStatement( ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY );
72
73 ResultSet resultSet = statement.executeQuery( strSQL );
74 ResultSetMetaData rsmd = resultSet.getMetaData( );
75
76 List<List<String>> listRow = new ArrayList<List<String>>( );
77
78 while ( resultSet.next( ) )
79 {
80 String strValue = null;
81 List<String> listLine = new ArrayList<String>( );
82
83 for ( int i = 1; i <= rsmd.getColumnCount( ); i++ )
84 {
85 if ( resultSet.getObject( rsmd.getColumnName( i ) ) != null )
86 {
87 strValue = resultSet.getObject( rsmd.getColumnName( i ) ).toString( );
88 }
89 else
90 {
91 strValue = " ";
92 }
93
94 listLine.add( strValue );
95 }
96
97 listRow.add( listLine );
98 }
99
100 statement.close( );
101 statement = null;
102
103 return listRow;
104 }
105 finally
106 {
107 try
108 {
109 if ( statement != null )
110 {
111 statement.close( );
112 }
113 }
114 catch ( SQLException e )
115 {
116 throw new AppException( "SQL Error executing command : " + e.toString( ) );
117 }
118
119 connectionService.freeConnection( connection );
120 }
121 }
122 }