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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: RowSetEventListener.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
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;
/**
*
* @author oj93728
*/
public abstract class AbstractDatabase implements DatabaseAccess
{
// 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
protected Connection m_connection;
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();
if (m_databaseDocumentFile != null)
{
try
{
final File file = new File(m_databaseDocumentFile);
file.delete();
}
catch (Exception e)
{
}
}
}
/** 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 protected 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_orb, 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
{
closeAndDelete();
super.finalize();
}
}
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