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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 util.db;
import com.sun.star.beans.XPropertySet;
import com.sun.star.container.NoSuchElementException;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.sdbc.XDataSource;
import com.sun.star.uno.Exception;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XNamingService;
import lib.StatusException;
/** wraps a com.sun.star.sdb.DataSource
*/
public class DataSource
{
protected DataSource( XMultiServiceFactory _orb, DataSourceDescriptor _descriptor )
{
m_orb = _orb;
try
{
m_dataSource = UnoRuntime.queryInterface( XDataSource.class,
m_orb.createInstance( "com.sun.star.sdb.DataSource" ) );
m_properties = UnoRuntime.queryInterface( XPropertySet.class,
m_dataSource );
Object[] descriptorProperties = new Object[] {
null, _descriptor.URL, _descriptor.Info, _descriptor.User, _descriptor.Password,
_descriptor.IsPasswordRequired };
String[] propertyNames = new String[] {
"Name", "URL", "Info", "User", "Password", "IsPasswordRequired" };
for ( int i=0; i < descriptorProperties.length; ++i )
if ( descriptorProperties[i] != null )
m_properties.setPropertyValue( propertyNames[i], descriptorProperties[i] );
}
catch ( Exception e )
{
throw new StatusException( "could not create/fill a css.sdb.DataSource object", e );
}
}
public XDataSource getDataSource()
{
return m_dataSource;
}
/**
* retrieves the css.sdb.OfficeDatabaseDocument associated with the data source
*/
public synchronized DatabaseDocument getDatabaseDocument()
{
if ( m_document == null )
m_document = new DatabaseDocument( this );
return m_document;
}
public void revokeRegistration()
{
String dataSourceName = "";
try
{
dataSourceName = (String)m_properties.getPropertyValue( "Name" );
XNamingService dbContext = UnoRuntime.queryInterface( XNamingService.class,
m_orb.createInstance( "com.sun.star.sdb.DatabaseContext" ) );
dbContext.revokeObject( dataSourceName );
}
catch ( Exception e )
{
throw new StatusException( "DataSource.revokeRegistration: could not revoke the object (" + dataSourceName + ")", e );
}
}
public void registerAs( final String _registrationName, final boolean _revokeIfRegistered )
{
String doing = null;
try
{
doing = "creating database context";
XNamingService dbContext = UnoRuntime.queryInterface( XNamingService.class,
m_orb.createInstance( "com.sun.star.sdb.DatabaseContext" ) );
if ( _revokeIfRegistered )
{
doing = "revoking previously registered data source";
try
{
dbContext.revokeObject( _registrationName );
}
catch( NoSuchElementException e )
{ /* allowed here */ }
}
// if the document associated with the database document has not yet been saved, then we need to do so
DatabaseDocument doc = getDatabaseDocument();
String docURL = doc.getURL();
if ( docURL.length() == 0 )
{
final java.io.File tempFile = java.io.File.createTempFile( _registrationName + "_", ".odb" );
if ( tempFile.exists() ) {
// we did not really want to create that file, we just wanted its local name, but
// createTempFile actually creates it => throw it away
// (This is necessary since some JVM/platform combinations seem to actually lock the file)
boolean bDeleteOk = tempFile.delete();
if (!bDeleteOk) {
System.out.println("delete failed");
}
}
String localPart = tempFile.toURI().toURL().toString();
localPart = localPart.substring( localPart.lastIndexOf( '/' ) + 1 );
docURL = util.utils.getOfficeTemp( m_orb ) + localPart;
doing = "storing database document to temporary location (" + docURL + ")";
doc.storeAsURL( docURL );
}
// register the data source
doing = "registering the data source at the database context";
dbContext.registerObject( _registrationName, m_dataSource );
}
catch( final java.lang.Exception e )
{
throw new StatusException( "DataSource.registerAs: error during " + doing, e );
}
}
private final XMultiServiceFactory m_orb;
private final XDataSource m_dataSource;
private final XPropertySet m_properties;
private DatabaseDocument m_document = null;
}
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