294 lines
9.5 KiB
C++
294 lines
9.5 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: updatesvc.cxx,v $
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*
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* $Revision: 1.10 $
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*
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* last change: $Author: ihi $ $Date: 2006-08-29 11:14:21 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include "updatesvc.hxx"
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#ifndef CONFIGMGR_API_FACTORY_HXX_
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#include "confapifactory.hxx"
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#endif
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#ifndef CONFIGMGR_BACKEND_EMPTYLAYER_HXX
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#include "emptylayer.hxx"
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#endif
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#ifndef _COM_SUN_STAR_CONFIGURATION_BACKEND_XUPDATABLELAYER_HPP_
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#include <com/sun/star/configuration/backend/XUpdatableLayer.hpp>
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#endif
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#ifndef _COM_SUN_STAR_CONFIGURATION_BACKEND_XLAYERHANDLER_HPP_
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#include <com/sun/star/configuration/backend/XLayerHandler.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_NAMEDVALUE_HPP_
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#include <com/sun/star/beans/NamedValue.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HPP_
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#endif
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// -----------------------------------------------------------------------------
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namespace configmgr
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{
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// -----------------------------------------------------------------------------
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namespace backend
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{
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// -----------------------------------------------------------------------------
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namespace uno = ::com::sun::star::uno;
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namespace lang = ::com::sun::star::lang;
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namespace beans = ::com::sun::star::beans;
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namespace backenduno = ::com::sun::star::configuration::backend;
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// -----------------------------------------------------------------------------
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AsciiServiceName const aUpdateMergerServices[] =
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{
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"com.sun.star.configuration.backend.LayerUpdateMerger",
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0
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};
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const ServiceImplementationInfo aUpdateMergerSI =
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{
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"com.sun.star.comp.configuration.backend.LayerUpdateMerger",
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aUpdateMergerServices,
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0
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};
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// -----------------------------------------------------------------------------
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const ServiceRegistrationInfo* getUpdateMergerServiceInfo()
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{ return getRegistrationInfo(& aUpdateMergerSI); }
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// -----------------------------------------------------------------------------
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inline
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ServiceInfoHelper UpdateService::getServiceInfo()
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{
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return & aUpdateMergerSI;
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}
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// -----------------------------------------------------------------------------
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UpdateService::UpdateService(CreationArg _xContext)
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: m_xServiceFactory(_xContext->getServiceManager(),uno::UNO_QUERY)
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, m_aSourceMode(merge)
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{
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if (!m_xServiceFactory.is())
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{
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OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Configuration Update Merger: Context has no service manager (or missing interface)"));
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throw uno::RuntimeException(sMessage,NULL);
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}
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}
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// -----------------------------------------------------------------------------
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// XInitialization
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void SAL_CALL
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UpdateService::initialize( const uno::Sequence< uno::Any >& aArguments )
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throw (uno::Exception, uno::RuntimeException)
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{
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sal_Int16 const nCount = static_cast<sal_Int16>(aArguments.getLength());
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if (sal_Int32(nCount) != aArguments.getLength())
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{
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OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Too many arguments to initialize a Configuration Update Merger"));
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throw lang::IllegalArgumentException(sMessage,*this,0);
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}
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for (sal_Int16 i = 0; i < nCount; ++i)
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{
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uno::Reference< backenduno::XUpdatableLayer > xUpdLayer;
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if (aArguments[i] >>= xUpdLayer)
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{
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m_xSourceLayer = xUpdLayer.get();
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m_xLayerWriter.clear();
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OSL_ASSERT( uno::Reference< backenduno::XUpdatableLayer >::query(m_xSourceLayer).is() || !xUpdLayer.is() );
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continue;
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}
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if (aArguments[i] >>= m_xSourceLayer)
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continue;
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if (aArguments[i] >>= m_xLayerWriter)
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continue;
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beans::NamedValue aExtraArg;
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if (aArguments[i] >>= aExtraArg)
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{
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OSL_VERIFY( setImplementationProperty(aExtraArg.Name, aExtraArg.Value) );
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continue;
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}
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OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Cannot use argument to initialize a Configuration Update Merger"
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"- XLayer, XLayerHandler or XUpdatableLayer expected"));
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throw lang::IllegalArgumentException(sMessage,*this,i);
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}
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}
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// -----------------------------------------------------------------------------
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sal_Bool UpdateService::setImplementationProperty(OUString const & aName, uno::Any const & aValue)
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{
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if (aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Overwrite")))
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{
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sal_Bool bOverwrite = sal_False;
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if (aValue >>= bOverwrite)
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{
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if (!bOverwrite)
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m_aSourceMode = protect;
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else if (protect == m_aSourceMode)
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m_aSourceMode = merge;
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return true;
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}
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}
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else if (aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Truncate")))
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{
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sal_Bool bTruncate = sal_False;
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if (aValue >>= bTruncate)
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{
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if (!bTruncate)
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m_aSourceMode = merge;
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else if (merge == m_aSourceMode)
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m_aSourceMode = truncate;
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return true;
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}
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}
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return false;
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}
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// -----------------------------------------------------------------------------
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bool UpdateService::validateSourceLayerAndCheckNotEmpty() SAL_THROW( (lang::IllegalAccessException) )
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{
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switch (m_aSourceMode)
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{
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case merge: // TODO: check for readonly layer
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return true;
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case protect: if (!checkEmptyLayer(m_xSourceLayer))
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raiseIllegalAccessException("UpdateService: Layer already exists");
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// else fall through
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case truncate: return false;
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default: OSL_ASSERT(!"not reached");
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return true;
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}
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}
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// -----------------------------------------------------------------------------
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UpdateService::Layer UpdateService::getSourceLayer() SAL_THROW( (lang::IllegalAccessException) )
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{
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if ( validateSourceLayerAndCheckNotEmpty() )
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return m_xSourceLayer;
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else
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return createEmptyLayer();
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}
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// -----------------------------------------------------------------------------
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void UpdateService::raiseIllegalAccessException(sal_Char const * pMsg)
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SAL_THROW( (lang::IllegalAccessException) )
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{
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OUString sMsg = OUString::createFromAscii(pMsg);
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throw lang::IllegalAccessException(sMsg,*this);
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}
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// -----------------------------------------------------------------------------
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void UpdateService::writeUpdatedLayer(Layer const & _xLayer)
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{
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OSL_ENSURE( _xLayer.is(), "UpdateService: Trying to write NULL XLayer");
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if (!_xLayer.is())
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{
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OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Update Merger - Internal error: trying to write a NULL Layer"));
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throw uno::RuntimeException(sMessage,*this);
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}
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// use our layer writer, if we have one
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if ( m_xLayerWriter.is() )
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{
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_xLayer->readData( m_xLayerWriter );
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return;
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}
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// look for an updatable layer otherwise
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uno::Reference< backenduno::XUpdatableLayer > xUpdLayer(m_xSourceLayer, uno::UNO_QUERY);
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if (xUpdLayer.is())
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{
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xUpdLayer->replaceWith( _xLayer );
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return;
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}
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OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Update Merger: Cannot write merge results - no recipient available."));
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throw uno::RuntimeException(sMessage,*this);
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}
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// -----------------------------------------------------------------------------
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// XServiceInfo
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::rtl::OUString SAL_CALL
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UpdateService::getImplementationName( )
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throw (uno::RuntimeException)
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{
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return getServiceInfo().getImplementationName( );
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}
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// -----------------------------------------------------------------------------
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sal_Bool SAL_CALL
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UpdateService::supportsService( const ::rtl::OUString& ServiceName )
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throw (uno::RuntimeException)
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{
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return getServiceInfo().supportsService( ServiceName );
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}
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// -----------------------------------------------------------------------------
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uno::Sequence< ::rtl::OUString > SAL_CALL
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UpdateService::getSupportedServiceNames( )
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throw (uno::RuntimeException)
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{
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return getServiceInfo().getSupportedServiceNames( );
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}
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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} // namespace
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// -----------------------------------------------------------------------------
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} // namespace
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