1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package connectivity.tools;
import com.sun.star.container.XNameAccess;
import com.sun.star.frame.XModel;
import com.sun.star.frame.XStorable;
import com.sun.star.io.IOException;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.sdb.XDocumentDataSource;
import com.sun.star.sdb.XOfficeDatabaseDocument;
import com.sun.star.sdbc.SQLException;
import com.sun.star.sdbc.XCloseable;
import com.sun.star.sdbc.XStatement;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.util.CloseVetoException;
import connectivity.tools.sdb.Connection;
import java.io.File;
import static org.junit.Assert.*;
public abstract class AbstractDatabase implements DatabaseAccess
{
public AbstractDatabase(final XMultiServiceFactory orb) throws Exception
{
m_orb = orb;
}
public AbstractDatabase(final XMultiServiceFactory orb, final String _existingDocumentURL ) throws Exception
{
m_orb = orb;
createDBDocument( _existingDocumentURL );
}
/** returns a connection to the database
*
* Multiple calls to this method return the same connection. The DbaseDatabase object keeps
* the ownership of the connection, so you don't need to (and should not) dispose/close it.
*/
public Connection defaultConnection() throws SQLException
{
if ( m_connection == null )
m_connection = new Connection( m_databaseDocument.getDataSource().getConnection("", "") );
return m_connection;
}
/** executes the given SQL statement via the defaultConnection
*/
public void executeSQL(final String statementString) throws SQLException
{
final XStatement statement = defaultConnection().createStatement();
statement.execute(statementString);
}
/** stores the database document
*/
public void store() throws IOException
{
if (m_databaseDocument != null)
{
final XStorable storeDoc = UnoRuntime.queryInterface(XStorable.class, m_databaseDocument);
storeDoc.store();
}
}
/** closes the database document
*
* Any CloseVetoExceptions fired by third parties are ignored, and any reference to the
* database document is released.
*/
public void close()
{
// close connection
final XCloseable closeConn = UnoRuntime.queryInterface( XCloseable.class,
m_connection != null ? m_connection.getXConnection() : null );
if (closeConn != null)
{
try
{
closeConn.close();
}
catch (SQLException e)
{
}
}
m_connection = null;
// close document
final com.sun.star.util.XCloseable closeDoc = UnoRuntime.queryInterface( com.sun.star.util.XCloseable.class, m_databaseDocument );
if (closeDoc != null)
{
try
{
closeDoc.close(true);
}
catch (CloseVetoException e)
{
}
}
m_databaseDocument = null;
}
/** closes the document, and deletes the underlying file
*/
public void closeAndDelete()
{
close();
delete();
}
protected void delete() {}
/** returns the underlying database document
*/
public XOfficeDatabaseDocument getDatabaseDocument()
{
return m_databaseDocument;
}
/** returns the model interface of the underlying database document
*/
public XModel getModel()
{
return UnoRuntime.queryInterface( XModel.class, m_databaseDocument );
}
public XMultiServiceFactory getORB()
{
return m_orb;
}
final private void createDBDocument(final String _docURL) throws Exception
{
m_databaseDocumentFile = _docURL;
final XNameAccess dbContext = UnoRuntime.queryInterface( XNameAccess.class,
m_orb.createInstance( "com.sun.star.sdb.DatabaseContext" ) );
final XDocumentDataSource dataSource = UnoRuntime.queryInterface( XDocumentDataSource.class, dbContext.getByName( _docURL ) );
m_databaseDocument = dataSource.getDatabaseDocument();
m_dataSource = new DataSource(m_databaseDocument.getDataSource());
}
/** returns the URL of the ODB document represented by this instance
*/
public String getDocumentURL()
{
return m_databaseDocumentFile;
}
/** returns the data source belonging to this database
*/
public DataSource getDataSource()
{
return m_dataSource;
}
/** creates a row set operating the database, with a given command/type
*/
public RowSet createRowSet(final int _commandType, final String _command)
{
return new RowSet(m_orb, getDocumentURL(), _commandType, _command);
}
@Override
protected void finalize() throws Throwable
{
// Cannot call close() here, as it accesses UNO objects (that may
// already have been finalized):
assertNull(
"missing call to connectivity.tools.AbstractDatabase.close",
m_connection);
assertNull(
"missing call to connectivity.tools.AbstractDatabase.close",
m_databaseDocument);
delete();
super.finalize();
}
// the service factory
protected final XMultiServiceFactory m_orb;
// the URL of the temporary file used for the database document
protected String m_databaseDocumentFile;
// the database document
protected XOfficeDatabaseDocument m_databaseDocument;
// the data source belonging to the database document
protected DataSource m_dataSource;
// the default connection
private Connection m_connection;
}
|
