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libreoffice/dbaccess/source/core/api/resultcolumn.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

294 lines
12 KiB
C++

/* -*- 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 "resultcolumn.hxx"
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <comphelper/diagnose_ex.hxx>
#include <stringconstants.hxx>
#include <strings.hxx>
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::uno;
using namespace ::osl;
using namespace ::comphelper;
using namespace ::cppu;
using namespace dbaccess;
OResultColumn::OResultColumn( const Reference < XResultSetMetaData >& _xMetaData, sal_Int32 _nPos,
const Reference< XDatabaseMetaData >& _rxDBMeta )
:OColumn( true )
,m_xMetaData( _xMetaData )
,m_xDBMetaData( _rxDBMeta )
,m_nPos( _nPos )
{
}
void OResultColumn::impl_determineIsRowVersion_nothrow()
{
if ( m_aIsRowVersion.hasValue() )
return;
m_aIsRowVersion <<= false;
OSL_ENSURE( m_xDBMetaData.is(), "OResultColumn::impl_determineIsRowVersion_nothrow: no DBMetaData!" );
if ( !m_xDBMetaData.is() )
return;
try
{
OUString sCatalog, sSchema, sTable, sColumnName;
getPropertyValue( PROPERTY_CATALOGNAME ) >>= sCatalog;
getPropertyValue( PROPERTY_SCHEMANAME ) >>= sSchema;
getPropertyValue( PROPERTY_TABLENAME ) >>= sTable;
getPropertyValue( PROPERTY_NAME ) >>= sColumnName;
try
{
Reference< XResultSet > xVersionColumns = m_xDBMetaData->getVersionColumns(
Any( sCatalog ), sSchema, sTable );
if ( xVersionColumns.is() ) // allowed to be NULL
{
Reference< XRow > xResultRow( xVersionColumns, UNO_QUERY_THROW );
while ( xVersionColumns->next() )
{
if ( xResultRow->getString( 2 ) == sColumnName )
{
m_aIsRowVersion <<= true;
break;
}
}
}
}
catch(const SQLException&)
{
}
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("dbaccess");
}
}
OResultColumn::~OResultColumn()
{
}
// css::lang::XTypeProvider
Sequence< sal_Int8 > OResultColumn::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
// XServiceInfo
OUString OResultColumn::getImplementationName( )
{
return u"com.sun.star.sdb.OResultColumn"_ustr;
}
Sequence< OUString > OResultColumn::getSupportedServiceNames( )
{
return { SERVICE_SDBCX_COLUMN, SERVICE_SDB_RESULTCOLUMN };
}
// OComponentHelper
void OResultColumn::disposing()
{
OColumn::disposing();
MutexGuard aGuard(m_aMutex);
m_xMetaData = nullptr;
}
// comphelper::OPropertyArrayUsageHelper
::cppu::IPropertyArrayHelper* OResultColumn::createArrayHelper( ) const
{
return new ::cppu::OPropertyArrayHelper
{
{
{ PROPERTY_CATALOGNAME, PROPERTY_ID_CATALOGNAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_DISPLAYSIZE, PROPERTY_ID_DISPLAYSIZE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISAUTOINCREMENT, PROPERTY_ID_ISAUTOINCREMENT, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISCASESENSITIVE, PROPERTY_ID_ISCASESENSITIVE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISCURRENCY, PROPERTY_ID_ISCURRENCY, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISDEFINITELYWRITABLE, PROPERTY_ID_ISDEFINITELYWRITABLE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISNULLABLE, PROPERTY_ID_ISNULLABLE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISREADONLY, PROPERTY_ID_ISREADONLY, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISROWVERSION, PROPERTY_ID_ISROWVERSION, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISSEARCHABLE, PROPERTY_ID_ISSEARCHABLE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISSIGNED, PROPERTY_ID_ISSIGNED, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_ISWRITABLE, PROPERTY_ID_ISWRITABLE, cppu::UnoType<bool>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_LABEL, PROPERTY_ID_LABEL, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_NAME, PROPERTY_ID_NAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_PRECISION, PROPERTY_ID_PRECISION, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_SCALE, PROPERTY_ID_SCALE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_SCHEMANAME, PROPERTY_ID_SCHEMANAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_SERVICENAME, PROPERTY_ID_SERVICENAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_TABLENAME, PROPERTY_ID_TABLENAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_TYPE, PROPERTY_ID_TYPE, cppu::UnoType<sal_Int32>::get(), css::beans::PropertyAttribute::READONLY },
{ PROPERTY_TYPENAME, PROPERTY_ID_TYPENAME, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::READONLY }
}
};
}
// cppu::OPropertySetHelper
::cppu::IPropertyArrayHelper& OResultColumn::getInfoHelper()
{
return *static_cast< ::comphelper::OPropertyArrayUsageHelper< OResultColumn >* >(this)->getArrayHelper();
}
namespace
{
template< typename T >
void obtain( Any& _out_rValue, ::std::optional< T > & _rCache, const sal_Int32 _nPos, const Reference < XResultSetMetaData >& _rxResultMeta, T (SAL_CALL XResultSetMetaData::*Getter)( sal_Int32 ) )
{
if ( !_rCache )
_rCache = (_rxResultMeta.get()->*Getter)(_nPos);
_out_rValue <<= *_rCache;
}
}
void OResultColumn::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
{
try
{
if ( OColumn::isRegisteredProperty( nHandle ) )
{
OColumn::getFastPropertyValue( rValue, nHandle );
}
else
{
switch (nHandle)
{
case PROPERTY_ID_ISROWVERSION:
const_cast< OResultColumn* >( this )->impl_determineIsRowVersion_nothrow();
rValue = m_aIsRowVersion;
break;
case PROPERTY_ID_TABLENAME:
rValue <<= m_xMetaData->getTableName(m_nPos);
break;
case PROPERTY_ID_SCHEMANAME:
rValue <<= m_xMetaData->getSchemaName(m_nPos);
break;
case PROPERTY_ID_CATALOGNAME:
rValue <<= m_xMetaData->getCatalogName(m_nPos);
break;
case PROPERTY_ID_ISSIGNED:
obtain( rValue, m_isSigned, m_nPos, m_xMetaData, &XResultSetMetaData::isSigned );
break;
case PROPERTY_ID_ISCURRENCY:
obtain( rValue, m_isCurrency, m_nPos, m_xMetaData, &XResultSetMetaData::isCurrency );
break;
case PROPERTY_ID_ISSEARCHABLE:
obtain( rValue, m_bSearchable, m_nPos, m_xMetaData, &XResultSetMetaData::isSearchable );
break;
case PROPERTY_ID_ISCASESENSITIVE:
obtain( rValue, m_isCaseSensitive, m_nPos, m_xMetaData, &XResultSetMetaData::isCaseSensitive );
break;
case PROPERTY_ID_ISREADONLY:
obtain( rValue, m_isReadOnly, m_nPos, m_xMetaData, &XResultSetMetaData::isReadOnly );
break;
case PROPERTY_ID_ISWRITABLE:
obtain( rValue, m_isWritable, m_nPos, m_xMetaData, &XResultSetMetaData::isWritable );
break;
case PROPERTY_ID_ISDEFINITELYWRITABLE:
obtain( rValue, m_isDefinitelyWritable, m_nPos, m_xMetaData, &XResultSetMetaData::isDefinitelyWritable );
break;
case PROPERTY_ID_ISAUTOINCREMENT:
obtain( rValue, m_isAutoIncrement, m_nPos, m_xMetaData, &XResultSetMetaData::isAutoIncrement );
break;
case PROPERTY_ID_SERVICENAME:
rValue <<= m_xMetaData->getColumnServiceName(m_nPos);
break;
case PROPERTY_ID_LABEL:
obtain( rValue, m_sColumnLabel, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnLabel );
break;
case PROPERTY_ID_DISPLAYSIZE:
obtain( rValue, m_nColumnDisplaySize, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnDisplaySize );
break;
case PROPERTY_ID_TYPE:
obtain( rValue, m_nColumnType, m_nPos, m_xMetaData, &XResultSetMetaData::getColumnType );
break;
case PROPERTY_ID_PRECISION:
obtain( rValue, m_nPrecision, m_nPos, m_xMetaData, &XResultSetMetaData::getPrecision );
break;
case PROPERTY_ID_SCALE:
obtain( rValue, m_nScale, m_nPos, m_xMetaData, &XResultSetMetaData::getScale );
break;
case PROPERTY_ID_ISNULLABLE:
obtain( rValue, m_isNullable, m_nPos, m_xMetaData, &XResultSetMetaData::isNullable );
break;
case PROPERTY_ID_TYPENAME:
rValue <<= m_xMetaData->getColumnTypeName(m_nPos);
break;
default:
OSL_FAIL( "OResultColumn::getFastPropertyValue: unknown property handle!" );
break;
}
}
}
catch (SQLException& )
{
// default handling if we caught an exception
switch (nHandle)
{
case PROPERTY_ID_LABEL:
case PROPERTY_ID_TYPENAME:
case PROPERTY_ID_SERVICENAME:
case PROPERTY_ID_TABLENAME:
case PROPERTY_ID_SCHEMANAME:
case PROPERTY_ID_CATALOGNAME:
// empty string'S
rValue <<= OUString();
break;
case PROPERTY_ID_ISROWVERSION:
case PROPERTY_ID_ISAUTOINCREMENT:
case PROPERTY_ID_ISWRITABLE:
case PROPERTY_ID_ISDEFINITELYWRITABLE:
case PROPERTY_ID_ISCASESENSITIVE:
case PROPERTY_ID_ISSEARCHABLE:
case PROPERTY_ID_ISCURRENCY:
case PROPERTY_ID_ISSIGNED:
{
rValue <<= false;
} break;
case PROPERTY_ID_ISREADONLY:
{
rValue <<= true;
} break;
case PROPERTY_ID_SCALE:
case PROPERTY_ID_PRECISION:
case PROPERTY_ID_DISPLAYSIZE:
rValue <<= sal_Int32(0);
break;
case PROPERTY_ID_TYPE:
rValue <<= sal_Int32(DataType::SQLNULL);
break;
case PROPERTY_ID_ISNULLABLE:
rValue <<= ColumnValue::NULLABLE_UNKNOWN;
break;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */