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Java > Open Source Codes > org > xquark > mapper > storage > ExtraDataSaver


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23 package org.xquark.mapper.storage;
24
25 import java.sql.PreparedStatement JavaDoc;
26 import java.sql.SQLException JavaDoc;
27
28 import org.xquark.mapper.dbms.AbstractConnection;
29 import org.xquark.mapper.dbms.TableInfo;
30 import org.xquark.mapper.metadata.ExtraNode;
31
32 /**
33  * Object used to perform XML structure node storage.
34  *
35  */
36 public class ExtraDataSaver extends ExtraDataPersistentNode
37 {
38     private static final String JavaDoc RCSRevision = "$Revision: 1.1 $";
39     private static final String JavaDoc RCSName = "$Name: $";
40     
41     private boolean useStringDelimitor = false;
42     
43     public ExtraDataSaver(TableInfo tableInfo)
44     {
45         super(tableInfo);
46         initStatements();
47     }
48     
49     protected void initStatements()
50     {
51         insertStmt = "INSERT INTO " + tableInfo.getName() + " VALUES (?,?,?,?,?,?,?)";
52     }
53     
54     public PreparedStatement JavaDoc getStatement(AbstractConnection connection)
55     throws SQLException JavaDoc
56     {
57         useStringDelimitor = connection.useStringDelimitor();
58         // preparation of PreparedStatement for insertion
59 if (pStmt == null)
60             pStmt = connection.getConnection().prepareStatement(insertStmt);
61         return pStmt;
62     }
63     
64     public PreparedStatement JavaDoc setParameters(ExtraNode node)
65     throws SQLException JavaDoc
66     {
67         try
68         {
69             pStmt.setLong(1, node.anchor);
70             pStmt.setShort(2, node.rowNum);
71             pStmt.setShort(3, node.path);
72             pStmt.setShort(4, node.type);
73             pStmt.setShort(5, node.position);
74             pStmt.setInt(6, node.offset);
75             pStmt.setString(7, useStringDelimitor?node.data + STRING_DELIMITOR:node.data);
76         }
77         catch (SQLException JavaDoc e)
78         {
79             pStmt.close();
80             pStmt = null;
81             throw e;
82         }
83         return pStmt;
84     }
85 }
86
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