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/*
* 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.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
import com.sun.star.frame.XStorable;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.sdb.XOfficeDatabaseDocument;
import com.sun.star.uno.UnoRuntime;
import helper.URLHelper;
import java.io.File;
class FlatFileDatabase extends AbstractDatabase
{
protected FlatFileDatabase( final XMultiServiceFactory i_orb, final String i_urlSubScheme ) throws Exception
{
super(i_orb);
m_urlSubScheme = i_urlSubScheme;
createDBDocument();
}
protected FlatFileDatabase(final XMultiServiceFactory i_orb, final String i_existingDocumentURL,
final String i_urlSubScheme ) throws Exception
{
super( i_orb, i_existingDocumentURL );
m_urlSubScheme = i_urlSubScheme;
final XPropertySet dsProperties = UnoRuntime.queryInterface(XPropertySet.class, m_databaseDocument.getDataSource());
final String url = (String)dsProperties.getPropertyValue( "URL" );
final String expectedURLPrefix = "sdbc:" + m_urlSubScheme + ":";
if ( !url.startsWith( expectedURLPrefix ) )
throw new IllegalArgumentException( i_existingDocumentURL + " is of wrong type" );
final String location = url.substring( expectedURLPrefix.length() );
m_tableFileLocation = new File( location );
if ( m_tableFileLocation.isDirectory() )
throw new IllegalArgumentException( "unsupported table file location (must be a folder)" );
}
/**
* returns a {@link File} which represents the folder where the database's table files reside.
*/
public File getTableFileLocation()
{
return m_tableFileLocation;
}
/** creates an empty database document in a temporary location
*/
private void createDBDocument() throws Exception
{
final File documentFile = File.createTempFile( m_urlSubScheme, ".odb" );
if ( documentFile.exists() )
documentFile.delete();
m_tableFileLocation = new File(documentFile.getParent() + File.separator + documentFile.getName().replace(".odb", "") + File.separator );
m_tableFileLocation.mkdir();
m_databaseDocumentFile = URLHelper.getFileURLFromSystemPath(documentFile);
final String path = URLHelper.getFileURLFromSystemPath( m_tableFileLocation.getPath() );
m_databaseDocument = UnoRuntime.queryInterface( XOfficeDatabaseDocument.class,
m_orb.createInstance("com.sun.star.sdb.OfficeDatabaseDocument"));
m_dataSource = new DataSource(m_databaseDocument.getDataSource());
final XPropertySet dsProperties = UnoRuntime.queryInterface(XPropertySet.class, m_databaseDocument.getDataSource());
dsProperties.setPropertyValue("URL", "sdbc:" + m_urlSubScheme + ":" + path);
final XStorable storable = UnoRuntime.queryInterface( XStorable.class, m_databaseDocument );
storable.storeAsURL( m_databaseDocumentFile, new PropertyValue[] { } );
}
private final String m_urlSubScheme;
private File m_tableFileLocation = null;
}
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