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Diffstat (limited to 'configmgr/source/backend/updatesvc.cxx')
| -rw-r--r-- | configmgr/source/backend/updatesvc.cxx | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/configmgr/source/backend/updatesvc.cxx b/configmgr/source/backend/updatesvc.cxx new file mode 100644 index 000000000000..0b23621baf32 --- /dev/null +++ b/configmgr/source/backend/updatesvc.cxx @@ -0,0 +1,281 @@ +/************************************************************************* + * + * 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: updatesvc.cxx,v $ + * $Revision: 1.12 $ + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_configmgr.hxx" + +#include "updatesvc.hxx" + +#ifndef CONFIGMGR_API_FACTORY_HXX_ +#include "confapifactory.hxx" +#endif +#include "emptylayer.hxx" +#include <com/sun/star/configuration/backend/XUpdatableLayer.hpp> +#include <com/sun/star/configuration/backend/XLayerHandler.hpp> +#include <com/sun/star/beans/NamedValue.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> + +// ----------------------------------------------------------------------------- + +namespace configmgr +{ +// ----------------------------------------------------------------------------- + namespace backend + { +// ----------------------------------------------------------------------------- + namespace uno = ::com::sun::star::uno; + namespace lang = ::com::sun::star::lang; + namespace beans = ::com::sun::star::beans; + namespace backenduno = ::com::sun::star::configuration::backend; +// ----------------------------------------------------------------------------- + +sal_Char const * const aUpdateMergerServices[] = +{ + "com.sun.star.configuration.backend.LayerUpdateMerger", + 0 +}; +const ServiceImplementationInfo aUpdateMergerSI = +{ + "com.sun.star.comp.configuration.backend.LayerUpdateMerger", + aUpdateMergerServices, + 0 +}; +// ----------------------------------------------------------------------------- + +const ServiceRegistrationInfo* getUpdateMergerServiceInfo() +{ return getRegistrationInfo(& aUpdateMergerSI); } +// ----------------------------------------------------------------------------- + +inline +ServiceInfoHelper UpdateService::getServiceInfo() +{ + return & aUpdateMergerSI; +} +// ----------------------------------------------------------------------------- + + +UpdateService::UpdateService(uno::Reference< uno::XComponentContext > const & _xContext) +: m_xServiceFactory(_xContext->getServiceManager(),uno::UNO_QUERY) +, m_aSourceMode(merge) +{ + if (!m_xServiceFactory.is()) + { + rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Configuration Update Merger: Context has no service manager (or missing interface)")); + throw uno::RuntimeException(sMessage,NULL); + } +} +// ----------------------------------------------------------------------------- + +// XInitialization + +void SAL_CALL + UpdateService::initialize( const uno::Sequence< uno::Any >& aArguments ) + throw (uno::Exception, uno::RuntimeException) +{ + sal_Int16 const nCount = static_cast<sal_Int16>(aArguments.getLength()); + + if (sal_Int32(nCount) != aArguments.getLength()) + { + rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Too many arguments to initialize a Configuration Update Merger")); + throw lang::IllegalArgumentException(sMessage,*this,0); + } + + for (sal_Int16 i = 0; i < nCount; ++i) + { + uno::Reference< backenduno::XUpdatableLayer > xUpdLayer; + if (aArguments[i] >>= xUpdLayer) + { + m_xSourceLayer = xUpdLayer.get(); + m_xLayerWriter.clear(); + + OSL_ASSERT( uno::Reference< backenduno::XUpdatableLayer >::query(m_xSourceLayer).is() || !xUpdLayer.is() ); + + continue; + } + + if (aArguments[i] >>= m_xSourceLayer) + continue; + + if (aArguments[i] >>= m_xLayerWriter) + continue; + + beans::NamedValue aExtraArg; + if (aArguments[i] >>= aExtraArg) + { + OSL_VERIFY( setImplementationProperty(aExtraArg.Name, aExtraArg.Value) ); + + continue; + } + + rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Cannot use argument to initialize a Configuration Update Merger" + "- XLayer, XLayerHandler or XUpdatableLayer expected")); + throw lang::IllegalArgumentException(sMessage,*this,i); + } +} + +// ----------------------------------------------------------------------------- + +sal_Bool UpdateService::setImplementationProperty(rtl::OUString const & aName, uno::Any const & aValue) +{ + if (aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Overwrite"))) + { + sal_Bool bOverwrite = sal_False; + if (aValue >>= bOverwrite) + { + if (!bOverwrite) + m_aSourceMode = protect; + + else if (protect == m_aSourceMode) + m_aSourceMode = merge; + + return true; + } + } + + else if (aName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("Truncate"))) + { + sal_Bool bTruncate = sal_False; + if (aValue >>= bTruncate) + { + if (!bTruncate) + m_aSourceMode = merge; + + else if (merge == m_aSourceMode) + m_aSourceMode = truncate; + + return true; + } + } + + return false; +} +// ----------------------------------------------------------------------------- + +bool UpdateService::validateSourceLayerAndCheckNotEmpty() SAL_THROW( (lang::IllegalAccessException) ) +{ + switch (m_aSourceMode) + { + case merge: // TODO: check for readonly layer + return true; + + case protect: if (!checkEmptyLayer(m_xSourceLayer)) + raiseIllegalAccessException("UpdateService: Layer already exists"); + // else fall through + + case truncate: return false; + + default: OSL_ASSERT(!"not reached"); + return true; + } +} +// ----------------------------------------------------------------------------- + +uno::Reference< backenduno::XLayer > UpdateService::getSourceLayer() SAL_THROW( (lang::IllegalAccessException) ) +{ + if ( validateSourceLayerAndCheckNotEmpty() ) + return m_xSourceLayer; + else + return createEmptyLayer(); +} +// ----------------------------------------------------------------------------- + +void UpdateService::raiseIllegalAccessException(sal_Char const * pMsg) + SAL_THROW( (lang::IllegalAccessException) ) +{ + rtl::OUString sMsg = rtl::OUString::createFromAscii(pMsg); + throw lang::IllegalAccessException(sMsg,*this); +} +// ----------------------------------------------------------------------------- + +void UpdateService::writeUpdatedLayer(uno::Reference< backenduno::XLayer > const & _xLayer) +{ + OSL_ENSURE( _xLayer.is(), "UpdateService: Trying to write NULL XLayer"); + + if (!_xLayer.is()) + { + rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Update Merger - Internal error: trying to write a NULL Layer")); + throw uno::RuntimeException(sMessage,*this); + } + + // use our layer writer, if we have one + if ( m_xLayerWriter.is() ) + { + _xLayer->readData( m_xLayerWriter ); + return; + } + + // look for an updatable layer otherwise + uno::Reference< backenduno::XUpdatableLayer > xUpdLayer(m_xSourceLayer, uno::UNO_QUERY); + if (xUpdLayer.is()) + { + xUpdLayer->replaceWith( _xLayer ); + return; + } + + rtl::OUString sMessage( RTL_CONSTASCII_USTRINGPARAM("Update Merger: Cannot write merge results - no recipient available.")); + throw uno::RuntimeException(sMessage,*this); +} +// ----------------------------------------------------------------------------- + +// XServiceInfo + +::rtl::OUString SAL_CALL + UpdateService::getImplementationName( ) + throw (uno::RuntimeException) +{ + return getServiceInfo().getImplementationName( ); +} +// ----------------------------------------------------------------------------- + + +sal_Bool SAL_CALL + UpdateService::supportsService( const ::rtl::OUString& ServiceName ) + throw (uno::RuntimeException) +{ + return getServiceInfo().supportsService( ServiceName ); +} +// ----------------------------------------------------------------------------- + + +uno::Sequence< ::rtl::OUString > SAL_CALL + UpdateService::getSupportedServiceNames( ) + throw (uno::RuntimeException) +{ + return getServiceInfo().getSupportedServiceNames( ); +} +// ----------------------------------------------------------------------------- + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- + } // namespace + +// ----------------------------------------------------------------------------- +} // namespace + |