219 lines
8 KiB
C++
219 lines
8 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: dbmetadata.cxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: obo $ $Date: 2006-09-17 02:02:44 $
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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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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_connectivity.hxx"
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#ifndef CONNECTIVITY_INC_CONNECTIVITY_DBMETADATA_HXX
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#include <connectivity/dbmetadata.hxx>
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#endif
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#ifndef _DBHELPER_DBEXCEPTION_HXX_
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#include <connectivity/dbexception.hxx>
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#endif
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/** === begin UNO includes === **/
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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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#ifndef _COM_SUN_STAR_CONTAINER_XCHILD_HPP_
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#include <com/sun/star/container/XChild.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
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#include <com/sun/star/beans/XPropertySet.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
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#include <com/sun/star/beans/PropertyValue.hpp>
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#endif
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/** === end UNO includes === **/
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#ifndef TOOLS_DIAGNOSE_EX_H
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#include <tools/diagnose_ex.h>
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#endif
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//........................................................................
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namespace dbtools
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{
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//........................................................................
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/** === begin UNO using === **/
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::sdbc::XConnection;
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using ::com::sun::star::sdbc::XConnection;
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using ::com::sun::star::sdbc::XDatabaseMetaData;
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using ::com::sun::star::lang::IllegalArgumentException;
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using ::com::sun::star::uno::Exception;
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using ::com::sun::star::uno::Any;
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using ::com::sun::star::container::XChild;
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using ::com::sun::star::uno::UNO_QUERY_THROW;
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using ::com::sun::star::beans::XPropertySet;
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using ::com::sun::star::uno::Sequence;
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using ::com::sun::star::beans::PropertyValue;
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/** === end UNO using === **/
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//====================================================================
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//= DatabaseMetaData_Impl
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//====================================================================
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struct DatabaseMetaData_Impl
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{
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Reference< XConnection > xConnection;
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Reference< XDatabaseMetaData > xConnectionMetaData;
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};
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//--------------------------------------------------------------------
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namespace
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{
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static void lcl_construct( DatabaseMetaData_Impl& _metaDataImpl, const Reference< XConnection >& _connection )
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{
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_metaDataImpl.xConnection = _connection;
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if ( !_metaDataImpl.xConnection.is() )
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return;
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_metaDataImpl.xConnectionMetaData = _connection->getMetaData();
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if ( !_metaDataImpl.xConnectionMetaData.is() )
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throw IllegalArgumentException();
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}
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static void lcl_checkConnected( DatabaseMetaData_Impl& _metaDataImpl )
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{
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if ( !_metaDataImpl.xConnection.is() )
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throwSQLException( "not connected", SQL_CONNECTION_DOES_NOT_EXIST, NULL );
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}
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static bool lcl_getDataSourceSetting( const sal_Char* _asciiName, const DatabaseMetaData_Impl& _metaData, Any& _out_setting )
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{
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try
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{
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Reference< XChild > connectionAsChild( _metaData.xConnection, UNO_QUERY_THROW );
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Reference< XPropertySet > dataSource( connectionAsChild->getParent(), UNO_QUERY_THROW );
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Sequence< PropertyValue > dataSourceSettings;
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OSL_VERIFY( dataSource->getPropertyValue( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Info" ) ) ) >>= dataSourceSettings );
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const PropertyValue* setting( dataSourceSettings.getConstArray() );
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const PropertyValue* settingEnd( setting + dataSourceSettings.getLength() );
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for ( ; setting != settingEnd; ++setting )
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{
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if ( setting->Name.equalsAscii( _asciiName ) )
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{
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_out_setting = setting->Value;
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return true;
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}
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}
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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}
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return false;
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}
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}
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//====================================================================
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//= DatabaseMetaData
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//====================================================================
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//--------------------------------------------------------------------
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DatabaseMetaData::DatabaseMetaData()
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:m_pImpl( new DatabaseMetaData_Impl )
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{
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}
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//--------------------------------------------------------------------
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DatabaseMetaData::DatabaseMetaData( const Reference< XConnection >& _connection )
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:m_pImpl( new DatabaseMetaData_Impl )
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{
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lcl_construct( *m_pImpl, _connection );
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}
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//--------------------------------------------------------------------
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DatabaseMetaData::DatabaseMetaData( const DatabaseMetaData& _copyFrom )
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:m_pImpl( new DatabaseMetaData_Impl( *_copyFrom.m_pImpl ) )
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{
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}
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//--------------------------------------------------------------------
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DatabaseMetaData& DatabaseMetaData::operator=( const DatabaseMetaData& _copyFrom )
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{
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if ( this == &_copyFrom )
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return *this;
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m_pImpl.reset( new DatabaseMetaData_Impl( *_copyFrom.m_pImpl ) );
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return *this;
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}
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//--------------------------------------------------------------------
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DatabaseMetaData::~DatabaseMetaData()
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{
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}
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//--------------------------------------------------------------------
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bool DatabaseMetaData::isConnected() const
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{
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return m_pImpl->xConnection.is();
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}
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//--------------------------------------------------------------------
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bool SAL_CALL DatabaseMetaData::supportsSubqueriesInFrom() const
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{
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lcl_checkConnected( *m_pImpl );
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bool supportsSubQueries = false;
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try
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{
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sal_Int32 maxTablesInselect = m_pImpl->xConnectionMetaData->getMaxTablesInSelect();
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supportsSubQueries = ( maxTablesInselect > 1 ) || ( maxTablesInselect == 0 );
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// TODO: is there a better way to determine this? The above is not really true. More precise,
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// it's a *very* generous heuristics ...
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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}
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return supportsSubQueries;
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}
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//--------------------------------------------------------------------
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bool SAL_CALL DatabaseMetaData::restrictIdentifiersToSQL92() const
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{
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bool restrict( false );
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Any setting;
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if ( lcl_getDataSourceSetting( "EnableSQL92Check", *m_pImpl, setting ) )
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OSL_VERIFY( setting >>= restrict );
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return restrict;
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}
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//........................................................................
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} // namespace dbtools
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//........................................................................
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