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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: multistratumbackend.hxx,v $
* $Revision: 1.6 $
*
* 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_MULTISTRATUMBACKEND_HXX_
#define CONFIGMGR_BACKEND_MULTISTRATUMBACKEND_HXX_
#include <com/sun/star/configuration/backend/XBackend.hpp>
#include <com/sun/star/configuration/backend/XBackendEntities.hpp>
#include <com/sun/star/configuration/backend/XVersionedSchemaSupplier.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/XInterface.hpp>
#include <com/sun/star/configuration/InvalidBootstrapFileException.hpp>
#include <com/sun/star/configuration/backend/BackendSetupException.hpp>
#include <com/sun/star/configuration/backend/XBackendChangesNotifier.hpp>
#include <com/sun/star/configuration/backend/XBackendChangesListener.hpp>
#include <cppuhelper/compbase7.hxx>
#ifndef INCLUDED_MAP
#include <map>
#define INCLUDED_MAP
#endif
namespace configmgr { namespace backend {
namespace css = com::sun::star ;
namespace uno = css::uno ;
namespace lang = css::lang ;
namespace backenduno = css::configuration::backend ;
/**
Class implementing the Backend service for multibackend access.
It creates the required backends and coordinates access to them.
*/
class MultiStratumBackend : public cppu::WeakComponentImplHelper7< backenduno::XBackend, backenduno::XBackendEntities, backenduno::XVersionedSchemaSupplier, backenduno::XBackendChangesNotifier, backenduno::XBackendChangesListener, lang::XInitialization, lang::XServiceInfo > {
public :
/**
Service constructor from a service factory.
@param xContext component context
*/
explicit
MultiStratumBackend(
const uno::Reference<uno::XComponentContext>& xContext) ;
/** Destructor */
~MultiStratumBackend() ;
// XInitialize
virtual void SAL_CALL initialize(
const uno::Sequence<uno::Any>& aParameters)
throw (uno::RuntimeException, uno::Exception,
css::configuration::InvalidBootstrapFileException,
backenduno::BackendSetupException) ;
// XVersionedSchemaSupplier
virtual rtl::OUString
SAL_CALL getSchemaVersion(const rtl::OUString& aComponent)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException) ;
// XSchemaSupplier
virtual uno::Reference<backenduno::XSchema>
SAL_CALL getComponentSchema(const rtl::OUString& aComponent)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException) ;
// XBackend
virtual uno::Sequence<uno::Reference<backenduno::XLayer> >
SAL_CALL listOwnLayers(const rtl::OUString& aComponent)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException) ;
virtual uno::Reference<backenduno::XUpdateHandler>
SAL_CALL getOwnUpdateHandler(const rtl::OUString& aComponent)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
lang::NoSupportException,
uno::RuntimeException) ;
virtual uno::Sequence<uno::Reference<backenduno::XLayer> > SAL_CALL
listLayers(const rtl::OUString& aComponent,
const rtl::OUString& aEntity)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException) ;
virtual uno::Reference<backenduno::XUpdateHandler> SAL_CALL
getUpdateHandler(const rtl::OUString& aComponent,
const rtl::OUString& aEntity)
throw (backenduno::BackendAccessException,
lang::IllegalArgumentException,
lang::NoSupportException,
uno::RuntimeException) ;
// XBackendEntities
virtual rtl::OUString SAL_CALL
getOwnerEntity( )
throw (uno::RuntimeException);
virtual rtl::OUString SAL_CALL
getAdminEntity( )
throw (uno::RuntimeException);
virtual sal_Bool SAL_CALL
supportsEntity( const rtl::OUString& aEntity )
throw (backenduno::BackendAccessException, uno::RuntimeException);
virtual sal_Bool SAL_CALL
isEqualEntity( const rtl::OUString& aEntity, const rtl::OUString& aOtherEntity )
throw ( backenduno::BackendAccessException,
lang::IllegalArgumentException,
uno::RuntimeException);
// XServiceInfo
virtual rtl::OUString SAL_CALL getImplementationName()
throw (uno::RuntimeException) ;
virtual sal_Bool SAL_CALL supportsService(
const rtl::OUString& aServiceName)
throw (uno::RuntimeException) ;
virtual uno::Sequence<rtl::OUString> SAL_CALL
getSupportedServiceNames(void) throw (uno::RuntimeException) ;
// XBackendChangesNotifier
virtual void SAL_CALL addChangesListener( const uno::Reference<backenduno::XBackendChangesListener>& xListner,
const rtl::OUString& aComponent)
throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeChangesListener( const uno::Reference<backenduno::XBackendChangesListener>& xListner,
const rtl::OUString& aComponent)
throw (::com::sun::star::uno::RuntimeException);
// XBackendChangesListener
virtual void SAL_CALL componentDataChanged(const backenduno::ComponentChangeEvent& aEvent)
throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL disposing( lang::EventObject const & rSource )
throw (uno::RuntimeException);
void notifyListeners(const backenduno::ComponentChangeEvent& aEvent) const;
protected:
// ComponentHelper
virtual void SAL_CALL disposing();
private :
/** Initialize the schema supplier backend
*/
void initializeSchemaSupplier(const uno::Reference<uno::XComponentContext>& aContext);
/** Initialize strata(SingleLayer or MultiLayer) backend
*/
void initializeBackendStrata(const uno::Reference<uno::XComponentContext>& aContext);
/** Get Layers from Backend Strata
*/
uno::Sequence<uno::Reference<backenduno::XLayer> >
searchSupportingStrata(sal_Int32 nNumLayer,
rtl::OUString aEntity,
const rtl::OUString& aComponent) ;
/** Find the Stratum that supports the specified Entity
* @return Number of Supported Strata
*/
sal_Int32 findSupportingStratum(const rtl::OUString& aEntity) ;
/**
Check state of MultiStratumBackend -
@return true if not disposed/uninitialized
*/
bool checkOkState();
/** Service factory */
uno::Reference<lang::XMultiServiceFactory> mFactory ;
/** Mutex for resource protection */
osl::Mutex mMutex ;
uno::Reference<backenduno::XSchemaSupplier> mSchemaSupplier ;
/** list of all backends */
std::vector< uno::Reference <uno::XInterface> > mBackendStrata;
rtl::OUString mOwnerEntity;
/** Helper object that listens to the Strata Backends */
uno::Reference<backenduno::XBackendChangesListener> mStrataListener;
/** List of higher level listeners */
typedef std::multimap< rtl::OUString, uno::Reference<backenduno::XBackendChangesListener> > ListenerList;
ListenerList mListenerList;
} ;
} } // configmgr.backend
#endif // CONFIGMGR_BACKEND_MULTISTRATUMBACKEND_HXX_
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