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Diffstat (limited to 'connectivity/source/commontools/paramwrapper.cxx')
| -rw-r--r-- | connectivity/source/commontools/paramwrapper.cxx | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/connectivity/source/commontools/paramwrapper.cxx b/connectivity/source/commontools/paramwrapper.cxx new file mode 100644 index 000000000..820e2ae9e --- /dev/null +++ b/connectivity/source/commontools/paramwrapper.cxx @@ -0,0 +1,354 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ +#include <connectivity/paramwrapper.hxx> + +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/sdbc/DataType.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/sdbc/XParameters.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <com/sun/star/lang/WrappedTargetException.hpp> +#include <com/sun/star/sdb/XParametersSupplier.hpp> +#include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp> +#include <com/sun/star/lang/DisposedException.hpp> + +#include <o3tl/safeint.hxx> +#include <tools/diagnose_ex.h> +#include <comphelper/enumhelper.hxx> + +#define PROPERTY_ID_VALUE 1000 + + +namespace dbtools::param +{ + + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::sdbc::XParameters; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::uno::Type; + using ::com::sun::star::uno::RuntimeException; + using ::com::sun::star::uno::XWeak; + using ::com::sun::star::beans::XPropertySet; + using ::com::sun::star::beans::XFastPropertySet; + using ::com::sun::star::beans::XMultiPropertySet; + using ::com::sun::star::beans::XPropertySetInfo; + using ::com::sun::star::beans::Property; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::uno::Any; + using ::com::sun::star::sdbc::SQLException; + using ::com::sun::star::lang::WrappedTargetException; + using ::com::sun::star::lang::IndexOutOfBoundsException; + using ::com::sun::star::container::XEnumeration; + using ::com::sun::star::sdb::XSingleSelectQueryAnalyzer; + using ::com::sun::star::sdb::XParametersSupplier; + using ::com::sun::star::lang::DisposedException; + + namespace PropertyAttribute = ::com::sun::star::beans::PropertyAttribute; + namespace DataType = ::com::sun::star::sdbc::DataType; + + ParameterWrapper::ParameterWrapper( const Reference< XPropertySet >& _rxColumn ) + :PropertyBase( m_aBHelper ) + ,m_xDelegator( _rxColumn ) + { + if ( m_xDelegator.is() ) + m_xDelegatorPSI = m_xDelegator->getPropertySetInfo(); + if ( !m_xDelegatorPSI.is() ) + throw RuntimeException(); + } + + + ParameterWrapper::ParameterWrapper( const Reference< XPropertySet >& _rxColumn, + const Reference< XParameters >& _rxAllParameters, std::vector< sal_Int32 >&& _rIndexes ) + :PropertyBase( m_aBHelper ) + ,m_aIndexes( std::move(_rIndexes) ) + ,m_xDelegator( _rxColumn ) + ,m_xValueDestination( _rxAllParameters ) + { + if ( m_xDelegator.is() ) + m_xDelegatorPSI = m_xDelegator->getPropertySetInfo(); + if ( !m_xDelegatorPSI.is() ) + throw RuntimeException(); + + OSL_ENSURE( !m_aIndexes.empty(), "ParameterWrapper::ParameterWrapper: sure about the indexes?" ); + } + + + ParameterWrapper::~ParameterWrapper() + { + } + + + IMPLEMENT_FORWARD_REFCOUNT( ParameterWrapper, UnoBase ) + + css::uno::Any ParameterWrapper::queryInterface(css::uno::Type const & aType) + { + css::uno::Any a(UnoBase::queryInterface(aType)); + if (!a.hasValue()) { + a = PropertyBase::queryInterface(aType); + if (!a.hasValue() + && aType == cppu::UnoType<css::lang::XTypeProvider>::get()) + { + a <<= css::uno::Reference<css::lang::XTypeProvider>(this); + } + } + return a; + } + + + Sequence< Type > SAL_CALL ParameterWrapper::getTypes( ) + { + return Sequence< Type > { + cppu::UnoType<XWeak>::get(), + cppu::UnoType<XTypeProvider>::get(), + cppu::UnoType<XPropertySet>::get(), + cppu::UnoType<XFastPropertySet>::get(), + cppu::UnoType<XMultiPropertySet>::get() + }; + } + + + IMPLEMENT_GET_IMPLEMENTATION_ID( ParameterWrapper ) + + + OUString ParameterWrapper::impl_getPseudoAggregatePropertyName( sal_Int32 _nHandle ) const + { + Reference< XPropertySetInfo > xInfo = const_cast<ParameterWrapper*>( this )->getPropertySetInfo(); + const css::uno::Sequence<Property> aProperties = xInfo->getProperties(); + for ( const Property& rProperty : aProperties ) + { + if ( rProperty.Handle == _nHandle ) + return rProperty.Name; + } + + OSL_FAIL( "ParameterWrapper::impl_getPseudoAggregatePropertyName: invalid argument!" ); + return OUString(); + } + + + Reference< XPropertySetInfo > ParameterWrapper::getPropertySetInfo() + { + return createPropertySetInfo( getInfoHelper() ); + } + + + ::cppu::IPropertyArrayHelper& ParameterWrapper::getInfoHelper() + { + if (!m_pInfoHelper) + { + Sequence< Property > aProperties; + try + { + aProperties = m_xDelegatorPSI->getProperties(); + sal_Int32 nProperties( aProperties.getLength() ); + aProperties.realloc( nProperties + 1 ); + aProperties.getArray()[ nProperties ] = Property( + "Value", + PROPERTY_ID_VALUE, + ::cppu::UnoType< Any >::get(), + PropertyAttribute::TRANSIENT | PropertyAttribute::MAYBEVOID + ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("connectivity.commontools"); + } + + m_pInfoHelper.reset( new ::cppu::OPropertyArrayHelper( aProperties, false ) ); + } + return *m_pInfoHelper; + } + + + sal_Bool ParameterWrapper::convertFastPropertyValue(Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle, const Any& rValue) + { + OSL_ENSURE( PROPERTY_ID_VALUE == nHandle, "ParameterWrapper::convertFastPropertyValue: the only non-readonly prop should be our PROPERTY_VALUE!" ); + + // we're lazy here ... + rOldValue = m_aValue.makeAny(); + rConvertedValue = rValue; + return true; // assume "modified" ... + } + + + void ParameterWrapper::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue ) + { + if ( nHandle == PROPERTY_ID_VALUE ) + { + try + { + // TODO : aParamType & nScale can be obtained within the constructor... + sal_Int32 nParamType = DataType::VARCHAR; + OSL_VERIFY( m_xDelegator->getPropertyValue("Type") >>= nParamType ); + + sal_Int32 nScale = 0; + if ( m_xDelegatorPSI->hasPropertyByName("Scale") ) + OSL_VERIFY( m_xDelegator->getPropertyValue("Scale") >>= nScale ); + + if ( m_xValueDestination.is() ) + { + for ( const auto& rIndex : m_aIndexes ) + { + m_xValueDestination->setObjectWithInfo( rIndex + 1, rValue, nParamType, nScale ); + // (the index of the parameters is one-based) + } + } + + m_aValue = rValue; + } + catch( SQLException& e ) + { + WrappedTargetException aExceptionWrapper; + aExceptionWrapper.Context = e.Context; + aExceptionWrapper.Message = e.Message; + aExceptionWrapper.TargetException <<= e; + throw aExceptionWrapper; + } + } + else + { + OUString aName = impl_getPseudoAggregatePropertyName( nHandle ); + m_xDelegator->setPropertyValue( aName, rValue ); + } + } + + + void ParameterWrapper::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const + { + if ( nHandle == PROPERTY_ID_VALUE ) + { + rValue = m_aValue.makeAny(); + } + else + { + OUString aName = impl_getPseudoAggregatePropertyName( nHandle ); + rValue = m_xDelegator->getPropertyValue( aName ); + } + } + + + void ParameterWrapper::dispose() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + m_aValue.setNull(); + m_aIndexes.resize(0); + m_xDelegator.clear(); + m_xDelegatorPSI.clear(); + m_xValueDestination.clear(); + + m_aBHelper.bDisposed = true; + } + + ParameterWrapperContainer::ParameterWrapperContainer() + :ParameterWrapperContainer_Base( m_aMutex ) + { + } + + + ParameterWrapperContainer::ParameterWrapperContainer( const Reference< XSingleSelectQueryAnalyzer >& _rxComposer ) + :ParameterWrapperContainer_Base( m_aMutex ) + { + Reference< XParametersSupplier > xSuppParams( _rxComposer, UNO_QUERY_THROW ); + Reference< XIndexAccess > xParameters( xSuppParams->getParameters(), css::uno::UNO_SET_THROW ); + sal_Int32 nParamCount( xParameters->getCount() ); + m_aParameters.reserve( nParamCount ); + for ( sal_Int32 i=0; i<nParamCount; ++i ) + { + m_aParameters.push_back( new ParameterWrapper( Reference< XPropertySet >( xParameters->getByIndex( i ), UNO_QUERY_THROW ) ) ); + } + } + + + ParameterWrapperContainer::~ParameterWrapperContainer() + { + } + + + Type SAL_CALL ParameterWrapperContainer::getElementType() + { + ::osl::MutexGuard aGuard( m_aMutex ); + impl_checkDisposed_throw(); + return cppu::UnoType<XPropertySet>::get(); + } + + + sal_Bool SAL_CALL ParameterWrapperContainer::hasElements() + { + ::osl::MutexGuard aGuard( m_aMutex ); + impl_checkDisposed_throw(); + return !m_aParameters.empty(); + } + + + sal_Int32 SAL_CALL ParameterWrapperContainer::getCount() + { + ::osl::MutexGuard aGuard( m_aMutex ); + impl_checkDisposed_throw(); + return m_aParameters.size(); + } + + + Any SAL_CALL ParameterWrapperContainer::getByIndex( sal_Int32 _nIndex ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + impl_checkDisposed_throw(); + + if ( ( _nIndex < 0 ) || ( o3tl::make_unsigned(_nIndex) >= m_aParameters.size() ) ) + throw IndexOutOfBoundsException(); + + return Any( Reference< XPropertySet >( m_aParameters[ _nIndex ] ) ); + } + + + Reference< XEnumeration > ParameterWrapperContainer::createEnumeration() + { + ::osl::MutexGuard aGuard( m_aMutex ); + impl_checkDisposed_throw(); + + return new ::comphelper::OEnumerationByIndex( static_cast< XIndexAccess* >( this ) ); + } + + + void ParameterWrapperContainer::impl_checkDisposed_throw() + { + if ( rBHelper.bDisposed ) + throw DisposedException( OUString(), *this ); + } + + + void SAL_CALL ParameterWrapperContainer::disposing() + { + ::osl::MutexGuard aGuard( m_aMutex ); + impl_checkDisposed_throw(); + + for (const auto& rxParam : m_aParameters) + { + rxParam->dispose(); + } + + Parameters().swap(m_aParameters); + } + + +} // namespace + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |