260 lines
9.8 KiB
C++
260 lines
9.8 KiB
C++
/*************************************************************************
|
|
*
|
|
* $RCSfile: backendfactory.cxx,v $
|
|
*
|
|
* $Revision: 1.6 $
|
|
*
|
|
* last change: $Author: ssmith $ $Date: 2002-12-13 10:14:45 $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (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.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): _______________________________________
|
|
*
|
|
*
|
|
************************************************************************/
|
|
|
|
#include "backendfactory.hxx"
|
|
|
|
#ifndef CONFIGMGR_BOOTSTRAPCONTEXT_HXX_
|
|
#include "bootstrapcontext.hxx"
|
|
#endif
|
|
#ifndef CONFIGMGR_BOOTSTRAP_HXX_
|
|
#include "bootstrap.hxx"
|
|
#endif
|
|
#ifndef CONFIGMGR_BACKEND_BACKENDACCESS_HXX_
|
|
#include "backendaccess.hxx"
|
|
#endif
|
|
|
|
|
|
#ifndef _COM_SUN_STAR_CONFIGURATION_CANNOTLOADCONFIGURATIONEXCEPTION_HPP_
|
|
#include <com/sun/star/configuration/CannotLoadConfigurationException.hpp>
|
|
#endif
|
|
|
|
#include <drafts/com/sun/star/configuration/backend/XBackend.hpp>
|
|
#include <drafts/com/sun/star/configuration/backend/XSingleBackend.hpp>
|
|
|
|
namespace configmgr
|
|
{
|
|
// -------------------------------------------------------------------------
|
|
namespace backend
|
|
{
|
|
// -------------------------------------------------------------------------
|
|
namespace uno = ::com::sun::star::uno;
|
|
namespace lang = ::com::sun::star::lang;
|
|
namespace backenduno = drafts::com::sun::star::configuration::backend;
|
|
// -------------------------------------------------------------------------
|
|
const sal_Char k_DefaultBackendWrapper[] = "com.sun.star.comp.configuration.backend.SingleBackendAdapter";
|
|
const sal_Char k_DefaultBackendService[] = "com.sun.star.comp.configuration.backend.LocalSingleBackend";
|
|
// -------------------------------------------------------------------------
|
|
typedef uno::Sequence< uno::Any > UnoInitArgs;
|
|
|
|
static
|
|
UnoInitArgs createInitArgs(ConnectionSettings const & _aSettings)
|
|
{
|
|
uno::Reference< uno::XCurrentContext > xBootstrapArgs = new BootstrapContext(_aSettings.getUnoSettings());
|
|
uno::Sequence< uno::Any > aResult( 1 );
|
|
aResult[0] <<= xBootstrapArgs;
|
|
return aResult;
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
typedef BackendFactory::CreationContext CreationContext;
|
|
|
|
static
|
|
inline
|
|
uno::Reference< uno::XInterface > createService(CreationContext const & _xCtx, UnoInitArgs const & _aInitArgs, OUString const & _aSvc)
|
|
{
|
|
OSL_ASSERT(_xCtx.is());
|
|
return _xCtx->createInstanceWithArguments( _aSvc, _aInitArgs);
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
typedef uno::Reference< backenduno::XSingleBackend > UnoSingleBackend;
|
|
typedef uno::Reference< backenduno::XBackend > UnoBackend;
|
|
|
|
static
|
|
UnoBackend wrapSingleBackend(ConnectionSettings const & _aSettings, CreationContext const & _xCtx, UnoInitArgs const & _aInitArgs, UnoSingleBackend const & _xWrappedBackend)
|
|
{
|
|
OUString aWrapperSvc = _aSettings.hasUnoBackendWrapper() ?
|
|
_aSettings.getUnoBackendWrapper() :
|
|
OUString::createFromAscii(k_DefaultBackendWrapper);
|
|
|
|
OSL_ENSURE (aWrapperSvc.getLength(), "ERROR: No wrapper service for wrapped configuration");
|
|
OSL_ENSURE (_xWrappedBackend.is(), "ERROR: No backend to wrap for wrapped configuration");
|
|
|
|
sal_Int32 const nBaseArgsCount = _aInitArgs.getLength();
|
|
UnoInitArgs aExtendedArgs( _aInitArgs );
|
|
aExtendedArgs.realloc( nBaseArgsCount + 1 );
|
|
aExtendedArgs[nBaseArgsCount] <<= _xWrappedBackend;
|
|
|
|
return UnoBackend::query( createService(_xCtx,aExtendedArgs,aWrapperSvc) );
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
static
|
|
UnoBackend createOfflineBackend(ConnectionSettings const & _aSettings, CreationContext const & _xCtx, UnoInitArgs const & _aInitArgs)
|
|
{
|
|
UnoBackend xResult;
|
|
if ( _aSettings.hasUnoBackendWrapper() )
|
|
{
|
|
OUString const aWrapperSvc = _aSettings.getUnoBackendWrapper();
|
|
|
|
xResult = UnoBackend::query( createService(_xCtx,_aInitArgs,aWrapperSvc) );
|
|
}
|
|
|
|
return xResult;
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
static
|
|
uno::Reference< uno::XInterface > createRealBackend(ConnectionSettings const & _aSettings, CreationContext const & _xCtx, UnoInitArgs const & _aInitArgs)
|
|
{
|
|
OUString const aBackendServiceName = _aSettings.hasUnoBackendService() ?
|
|
_aSettings.getUnoBackendService() :
|
|
OUString::createFromAscii(k_DefaultBackendService);
|
|
|
|
uno::Reference< uno::XInterface > xResult =
|
|
createService(_xCtx,_aInitArgs,aBackendServiceName);
|
|
|
|
return xResult;
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
static
|
|
UnoBackend createOnlineBackend(ConnectionSettings const & _aSettings, CreationContext const & _xCtx, UnoInitArgs const & _aInitArgs)
|
|
{
|
|
OSL_ENSURE( _aSettings.isUnoBackend(), "ERROR - BackendFactory: For legacy backends use createSessionBackend()");
|
|
|
|
UnoBackend xResult;
|
|
|
|
uno::Reference< uno::XInterface > xRealBackend = createRealBackend(_aSettings,_xCtx,_aInitArgs);
|
|
|
|
if (_aSettings.hasUnoBackendWrapper())
|
|
{
|
|
// try wrapping a single backend
|
|
UnoSingleBackend xSingleRealBackend( xRealBackend, uno::UNO_QUERY);
|
|
if (xSingleRealBackend.is())
|
|
xResult = wrapSingleBackend(_aSettings,_xCtx,_aInitArgs,xSingleRealBackend);
|
|
|
|
// if we don't have one, try using it as unwrapped backend
|
|
else
|
|
xResult.set(xRealBackend, uno::UNO_QUERY);
|
|
}
|
|
else
|
|
{
|
|
// look for a direct implementation of XBackend
|
|
xResult.set(xRealBackend, uno::UNO_QUERY);
|
|
if (!xResult.is())
|
|
{
|
|
// try the default wrapper if we only have a single backend
|
|
UnoSingleBackend xSingleRealBackend( xRealBackend, uno::UNO_QUERY);
|
|
if (xSingleRealBackend.is())
|
|
xResult = wrapSingleBackend(_aSettings,_xCtx,_aInitArgs,xSingleRealBackend);
|
|
|
|
else
|
|
OSL_ENSURE( !xRealBackend.is(), "Configuration Backend implements no known backend interface" );
|
|
}
|
|
}
|
|
|
|
return xResult;
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
UnoBackend BackendFactory::createDefaultUnoBackend(CreationContext const & _xCtx)
|
|
{
|
|
BootstrapSettings aBootstrapData( getBootstrapContext(_xCtx) );
|
|
|
|
return createUnoBackend(aBootstrapData.settings,_xCtx);
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
UnoBackend BackendFactory::createUnoBackend(ConnectionSettings const & _aSettings, CreationContext const & _xCtx)
|
|
{
|
|
UnoInitArgs aArguments = createInitArgs(_aSettings);
|
|
|
|
sal_Bool bOffline = _aSettings.hasOfflineSetting() ? _aSettings.getOfflineSetting() : !_aSettings.hasUnoBackendService();
|
|
|
|
UnoBackend xResult;
|
|
|
|
if (!bOffline)
|
|
xResult = createOnlineBackend(_aSettings,_xCtx,aArguments);
|
|
|
|
if (!xResult.is())
|
|
xResult = createOfflineBackend(_aSettings,_xCtx,aArguments);
|
|
|
|
return xResult;
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
rtl::Reference<IMergedDataProvider>
|
|
BackendFactory::createBackend(ConnectionSettings const & _aSettings, CreationContext const & _xCtx)
|
|
{
|
|
OSL_ENSURE( _aSettings.isUnoBackend(), "ERROR - BackendFactory: For legacy backends use createSessionBackend()");
|
|
|
|
rtl::Reference< IMergedDataProvider > xBackend;
|
|
|
|
UnoBackend xBackendService = createUnoBackend(_aSettings, _xCtx);
|
|
|
|
if (xBackendService.is())
|
|
xBackend = new BackendAccess(xBackendService, _xCtx);
|
|
|
|
return xBackend;
|
|
}
|
|
// -------------------------------------------------------------------------
|
|
|
|
BackendFactory & BackendFactory::instance()
|
|
{
|
|
static BackendFactory aStaticFactory;
|
|
return aStaticFactory;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
} // namespace
|
|
//-----------------------------------------------------------------------------
|
|
} // namespace
|