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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: backendaccess.hxx,v $
* $Revision: 1.14 $
*
* 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.
*
************************************************************************/
#ifndef CONFIGMGR_BACKEND_BACKENDACCESS_HXX_
#define CONFIGMGR_BACKEND_BACKENDACCESS_HXX_
#include "backendnotifier.hxx"
#include "mergeddataprovider.hxx"
#include "mergedcomponentdata.hxx"
#include "matchlocale.hxx"
#include <com/sun/star/configuration/backend/XLayer.hpp>
#include <com/sun/star/configuration/backend/XSchema.hpp>
#include <com/sun/star/configuration/backend/XBackend.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include "binarycache.hxx"
#include <com/sun/star/configuration/backend/XBackendChangesNotifier.hpp>
namespace configmgr { namespace backend {
namespace css = com::sun::star ;
namespace uno = css::uno ;
namespace lang = css::lang ;
namespace backenduno = css::configuration::backend ;
/**
Implementation of IMergedDataProvider handling the access
to the configuration data.
*/
class BackendAccess : public IMergedDataProvider
{
public :
/**
Constructor using an XBackend implementation and a
service factory.
@param xBackend backend used for access to data
@param xContext uno context for instantiation of services
*/
BackendAccess( const uno::Reference<backenduno::XBackend>& xBackend,
const uno::Reference<uno::XComponentContext>& xContext) ;
/** Destructor */
~BackendAccess(void) ;
// IMergedDataProvider
virtual ResultHolder< ComponentInstance > getNodeData(const ComponentRequest& aRequest,
ITemplateDataProvider* aTemplateProvider,
INodeDataListener *aListener = NULL)
SAL_THROW((com::sun::star::uno::Exception)) ;
virtual void removeRequestListener(INodeDataListener *aListener,
const ComponentRequest& aRequest)
SAL_THROW(());
virtual void updateNodeData(const UpdateRequest& aUpdate)
SAL_THROW((com::sun::star::uno::Exception)) ;
virtual ResultHolder< NodeInstance > getDefaultData(const NodeRequest& aRequest)
SAL_THROW((com::sun::star::uno::Exception)) ;
virtual ResultHolder< TemplateInstance > getTemplateData(const TemplateRequest& aRequest)
SAL_THROW((com::sun::star::uno::Exception)) ;
private :
/**
Retrieves the schema of a component.
*/
uno::Reference< backenduno::XSchema > getSchema(const rtl::OUString& aComponent) ;
/**
Retrieves the schema version of a component.
*/
rtl::OUString getSchemaVersion(const rtl::OUString& aComponent) ;
/**
Retrieves the layers for a request.
*/
uno::Sequence< uno::Reference<backenduno::XLayer> > getLayers(const rtl::OUString& aComponent,const RequestOptions& aOptions) ;
/**
Reads merged default data with a given number of layers.
*/
bool readDefaultData( MergedComponentData & aComponentData,
rtl::OUString const & aComponent,
RequestOptions const & aOptions,
bool bIncludeTemplates,
const uno::Reference<backenduno::XLayer> * pLayers,
sal_Int32 nNumLayers,
ITemplateDataProvider *aTemplateProvider,
sal_Int32 * pLayersMerged = 0)
SAL_THROW((com::sun::star::uno::Exception));
/**
Merges layers onto component data.
*/
void merge(
MergedComponentData& aData,
const uno::Reference<backenduno::XLayer> * pLayers,
sal_Int32 aNumLayers,
com::sun::star::lang::Locale const & aRequestedLocale,
std::vector< com::sun::star::lang::Locale > & inoutMergedLocales,
ITemplateDataProvider *aTemplateProvider,
sal_Int32 * pLayersMerged = 0)
SAL_THROW((com::sun::star::uno::Exception));
private :
/**
Decides if merging should be retried after an exception.
@throws com::sun::star::uno::Exception
if not approved
*/
bool approveRecovery(
const uno::Any & aMergeException,
const uno::Reference<backenduno::XLayer> & aBrokenLayer,
bool bUserLayerData)
SAL_THROW((com::sun::star::uno::Exception));
private :
/** Get the factory used for service invocation */
uno::Reference<lang::XMultiServiceFactory> getServiceFactory() const;
/** UNO context to which this backend belongs */
uno::Reference<uno::XComponentContext> mContext ;
/** Backend being accessed */
uno::Reference<backenduno::XBackend> mBackend ;
/** Binary cache of default data */
BinaryCache mBinaryCache;
/** Manages Nofification from the Backends */
uno::Reference<backenduno::XBackendChangesListener> mXNotifier;
BackendChangeNotifier * mNotifier;
} ;
} } // configmgr.backend
#endif // CONFIGMGR_BACKEND_BACKENDACCESS_HXX_
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