583 lines
20 KiB
C++
583 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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/**************************************************************************
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TODO
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**************************************************************************
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*************************************************************************/
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#include "osl/diagnose.h"
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#include <com/sun/star/beans/Property.hpp>
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#include <com/sun/star/beans/XPropertySetInfo.hpp>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/sdbc/DataType.hpp>
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#include <com/sun/star/sdbc/XArray.hpp>
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#include <com/sun/star/sdbc/XBlob.hpp>
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#include <com/sun/star/sdbc/XClob.hpp>
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#include <com/sun/star/sdbc/XRef.hpp>
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#include <com/sun/star/util/Date.hpp>
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#include <com/sun/star/util/Time.hpp>
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#include <com/sun/star/util/DateTime.hpp>
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#include <ucbhelper/resultsetmetadata.hxx>
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using namespace com::sun::star::beans;
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using namespace com::sun::star::io;
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using namespace com::sun::star::lang;
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using namespace com::sun::star::sdbc;
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using namespace com::sun::star::uno;
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using namespace com::sun::star::util;
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using ::rtl::OUString;
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namespace ucbhelper_impl {
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struct ResultSetMetaData_Impl
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{
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osl::Mutex m_aMutex;
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std::vector< ::ucbhelper::ResultSetColumnData > m_aColumnData;
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sal_Bool m_bObtainedTypes;
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sal_Bool m_bGlobalReadOnlyValue;
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ResultSetMetaData_Impl( sal_Int32 nSize )
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: m_aColumnData( nSize ), m_bObtainedTypes( sal_False ),
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m_bGlobalReadOnlyValue( sal_True ) {}
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ResultSetMetaData_Impl(
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const std::vector< ::ucbhelper::ResultSetColumnData >& rColumnData )
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: m_aColumnData( rColumnData ), m_bObtainedTypes( sal_False ),
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m_bGlobalReadOnlyValue( sal_False ) {}
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};
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}
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using namespace ucbhelper_impl;
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namespace ucbhelper {
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//=========================================================================
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//=========================================================================
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//
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// ResultSetMetaData Implementation.
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//
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//=========================================================================
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//=========================================================================
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ResultSetMetaData::ResultSetMetaData(
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const Reference< XMultiServiceFactory >& rxSMgr,
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const Sequence< Property >& rProps,
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sal_Bool bReadOnly )
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: m_pImpl( new ResultSetMetaData_Impl( rProps.getLength() ) ),
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m_xSMgr( rxSMgr ),
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m_aProps( rProps ),
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m_bReadOnly( bReadOnly )
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{
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}
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//=========================================================================
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ResultSetMetaData::ResultSetMetaData(
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const Reference< XMultiServiceFactory >& rxSMgr,
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const Sequence< Property >& rProps,
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const std::vector< ResultSetColumnData >& rColumnData )
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: m_pImpl( new ResultSetMetaData_Impl( rColumnData ) ),
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m_xSMgr( rxSMgr ),
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m_aProps( rProps ),
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m_bReadOnly( sal_True )
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{
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OSL_ENSURE( rColumnData.size() == sal_uInt32( rProps.getLength() ),
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"ResultSetMetaData ctor - different array sizes!" );
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}
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//=========================================================================
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// virtual
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ResultSetMetaData::~ResultSetMetaData()
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{
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delete m_pImpl;
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}
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//=========================================================================
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//
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// XInterface methods.
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//
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//=========================================================================
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XINTERFACE_IMPL_2( ResultSetMetaData,
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XTypeProvider,
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XResultSetMetaData );
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//=========================================================================
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//
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// XTypeProvider methods.
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//
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//=========================================================================
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XTYPEPROVIDER_IMPL_2( ResultSetMetaData,
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XTypeProvider,
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XResultSetMetaData );
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//=========================================================================
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//
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// XResultSetMetaData methods.
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//
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//=========================================================================
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// virtual
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sal_Int32 SAL_CALL ResultSetMetaData::getColumnCount()
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throw( SQLException, RuntimeException )
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{
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return m_aProps.getLength();
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}
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL ResultSetMetaData::isAutoIncrement( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Checks whether column is automatically numbered, which makes it
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read-only.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return sal_False;
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return m_pImpl->m_aColumnData[ column - 1 ].isAutoIncrement;
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}
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL ResultSetMetaData::isCaseSensitive( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return sal_False;
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return m_pImpl->m_aColumnData[ column - 1 ].isCaseSensitive;
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}
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL ResultSetMetaData::isSearchable( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Checks whether the value stored in column can be used in a
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WHERE clause.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return sal_False;
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return m_pImpl->m_aColumnData[ column - 1 ].isSearchable;
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}
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL ResultSetMetaData::isCurrency( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Checks whether column is a cash value.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return sal_False;
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return m_pImpl->m_aColumnData[ column - 1 ].isCurrency;
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}
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//=========================================================================
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// virtual
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sal_Int32 SAL_CALL ResultSetMetaData::isNullable( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Checks whether a NULL can be stored in column.
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Possible values: see com/sun/star/sdbc/ColumnValue.idl
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return ColumnValue::NULLABLE;
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return m_pImpl->m_aColumnData[ column - 1 ].isNullable;
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}
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL ResultSetMetaData::isSigned( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Checks whether the value stored in column is a signed number.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return sal_False;
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return m_pImpl->m_aColumnData[ column - 1 ].isSigned;
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}
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//=========================================================================
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// virtual
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sal_Int32 SAL_CALL ResultSetMetaData::getColumnDisplaySize( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the normal maximum width in characters for column.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return 16;
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return m_pImpl->m_aColumnData[ column - 1 ].columnDisplaySize;
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}
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//=========================================================================
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// virtual
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OUString SAL_CALL ResultSetMetaData::getColumnLabel( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the suggested column title for column, to be used in print-
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outs and displays.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return OUString();
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OUString aLabel = m_pImpl->m_aColumnData[ column - 1 ].columnLabel;
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if ( aLabel.getLength() )
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return aLabel;
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return m_aProps.getConstArray()[ column - 1 ].Name;
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}
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//=========================================================================
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// virtual
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OUString SAL_CALL ResultSetMetaData::getColumnName( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the name of column.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return OUString();
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return m_aProps.getConstArray()[ column - 1 ].Name;
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}
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//=========================================================================
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// virtual
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OUString SAL_CALL ResultSetMetaData::getSchemaName( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the schema name for the table from which column of this
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result set was derived.
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Because this feature is not widely supported, the return value
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for many DBMSs will be an empty string.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return OUString();
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return m_pImpl->m_aColumnData[ column - 1 ].schemaName;
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}
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//=========================================================================
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// virtual
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sal_Int32 SAL_CALL ResultSetMetaData::getPrecision( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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For number types, getprecision gets the number of decimal digits
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in column.
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For character types, it gets the maximum length in characters for
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column.
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For binary types, it gets the maximum length in bytes for column.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return -1;
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return m_pImpl->m_aColumnData[ column - 1 ].precision;
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}
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//=========================================================================
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// virtual
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sal_Int32 SAL_CALL ResultSetMetaData::getScale( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the number of digits to the right of the decimal point for
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values in column.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return 0;
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return m_pImpl->m_aColumnData[ column - 1 ].scale;
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}
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//=========================================================================
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// virtual
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OUString SAL_CALL ResultSetMetaData::getTableName( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the name of the table from which column of this result set
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was derived or "" if there is none (for example, for a join).
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Because this feature is not widely supported, the return value
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for many DBMSs will be an empty string.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return OUString();
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return m_pImpl->m_aColumnData[ column - 1 ].tableName;
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}
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//=========================================================================
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// virtual
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OUString SAL_CALL ResultSetMetaData::getCatalogName( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the catalog name for the table from which column of this
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result set was derived.
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Because this feature is not widely supported, the return value
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for many DBMSs will be an empty string.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return OUString();
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return m_pImpl->m_aColumnData[ column - 1 ].catalogName;
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}
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//=========================================================================
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// virtual
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sal_Int32 SAL_CALL ResultSetMetaData::getColumnType( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the JDBC type for the value stored in column. ... The STRUCT
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and DISTINCT type codes are always returned for structured and
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distinct types, regardless of whether the value will be mapped
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according to the standard mapping or be a custom mapping.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return DataType::SQLNULL;
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if ( m_aProps.getConstArray()[ column - 1 ].Type
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== getCppuVoidType() )
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{
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// No type given. Try UCB's Properties Manager...
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osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex );
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if ( !m_pImpl->m_bObtainedTypes )
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{
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try
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{
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Reference< XPropertySetInfo > xInfo(
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m_xSMgr->createInstance(
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OUString(RTL_CONSTASCII_USTRINGPARAM(
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"com.sun.star.ucb.PropertiesManager" )) ),
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UNO_QUERY );
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if ( xInfo.is() )
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{
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// Less (remote) calls...
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Sequence< Property > aProps = xInfo->getProperties();
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const Property* pProps1 = aProps.getConstArray();
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sal_Int32 nCount1 = aProps.getLength();
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sal_Int32 nCount = m_aProps.getLength();
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Property* pProps = m_aProps.getArray();
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for ( sal_Int32 n = 0; n < nCount; ++n )
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{
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Property& rProp = pProps[ n ];
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for ( sal_Int32 m = 0; m < nCount1; ++m )
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{
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const Property& rProp1 = pProps1[ m ];
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if ( rProp.Name == rProp1.Name )
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{
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// Found...
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rProp.Type = rProp1.Type;
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break;
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}
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}
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}
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}
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}
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catch ( RuntimeException& )
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{
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throw;
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}
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catch ( Exception& )
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{
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// createInstance
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}
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m_pImpl->m_bObtainedTypes = sal_True;
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}
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}
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const Type& rType = m_aProps.getConstArray()[ column - 1 ].Type;
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sal_Int32 nType = DataType::OTHER;
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if ( rType == getCppuType( static_cast< const rtl::OUString * >( 0 ) ) )
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nType = DataType::VARCHAR; // XRow::getString
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else if ( rType == getCppuBooleanType() )
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nType = DataType::BIT; // XRow::getBoolean
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else if ( rType == getCppuType( static_cast< const sal_Int32 * >( 0 ) ) )
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nType = DataType::INTEGER; // XRow::getInt
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else if ( rType == getCppuType( static_cast< const sal_Int64 * >( 0 ) ) )
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nType = DataType::BIGINT; // XRow::getLong
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else if ( rType == getCppuType( static_cast< const sal_Int16 * >( 0 ) ) )
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nType = DataType::SMALLINT; // XRow::getShort
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else if ( rType == getCppuType( static_cast< const sal_Int8 * >( 0 ) ) )
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nType = DataType::TINYINT; // XRow::getByte
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else if ( rType == getCppuType( static_cast< const float * >( 0 ) ) )
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nType = DataType::REAL; // XRow::getFloat
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else if ( rType == getCppuType( static_cast< const double * >( 0 ) ) )
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nType = DataType::DOUBLE; // XRow::getDouble
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else if ( rType == getCppuType( static_cast< const Sequence< sal_Int8 > * >( 0 ) ) )
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nType = DataType::VARBINARY;// XRow::getBytes
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else if ( rType == getCppuType( static_cast< const Date * >( 0 ) ) )
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nType = DataType::DATE; // XRow::getDate
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else if ( rType == getCppuType( static_cast< const Time * >( 0 ) ) )
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nType = DataType::TIME; // XRow::getTime
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else if ( rType == getCppuType( static_cast< const DateTime * >( 0 ) ) )
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nType = DataType::TIMESTAMP;// XRow::getTimestamp
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else if ( rType == getCppuType( static_cast< Reference< XInputStream > * >( 0 ) ) )
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nType = DataType::LONGVARBINARY; // XRow::getBinaryStream
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// nType = DataType::LONGVARCHAR; // XRow::getCharacterStream
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else if ( rType == getCppuType( static_cast< Reference< XClob > * >( 0 ) ) )
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nType = DataType::CLOB; // XRow::getClob
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else if ( rType == getCppuType( static_cast< Reference< XBlob > * >( 0 ) ) )
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nType = DataType::BLOB; // XRow::getBlob
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else if ( rType == getCppuType( static_cast< Reference< XArray > * >( 0 ) ) )
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nType = DataType::ARRAY;// XRow::getArray
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else if ( rType == getCppuType( static_cast< Reference< XRef > * >( 0 ) ) )
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nType = DataType::REF;// XRow::getRef
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else
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nType = DataType::OBJECT;// XRow::getObject
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return nType;
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}
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//=========================================================================
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// virtual
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OUString SAL_CALL ResultSetMetaData::getColumnTypeName( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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/*
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Gets the type name used by this particular data source for the
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values stored in column. If the type code for the type of value
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stored in column is STRUCT, DISTINCT or JAVA_OBJECT, this method
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returns a fully-qualified SQL type name.
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*/
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if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
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return OUString();
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return m_pImpl->m_aColumnData[ column - 1 ].columnTypeName;
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}
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL ResultSetMetaData::isReadOnly( sal_Int32 column )
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throw( SQLException, RuntimeException )
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{
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|
if ( m_pImpl->m_bGlobalReadOnlyValue )
|
|
return m_bReadOnly;
|
|
|
|
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
|
|
return sal_True;
|
|
|
|
// autoincrement==true => readonly
|
|
return m_pImpl->m_aColumnData[ column - 1 ].isAutoIncrement ||
|
|
m_pImpl->m_aColumnData[ column - 1 ].isReadOnly;
|
|
}
|
|
|
|
//=========================================================================
|
|
// virtual
|
|
sal_Bool SAL_CALL ResultSetMetaData::isWritable( sal_Int32 column )
|
|
throw( SQLException, RuntimeException )
|
|
{
|
|
if ( m_pImpl->m_bGlobalReadOnlyValue )
|
|
return !m_bReadOnly;
|
|
|
|
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
|
|
return sal_False;
|
|
|
|
return m_pImpl->m_aColumnData[ column - 1 ].isWritable;
|
|
}
|
|
|
|
//=========================================================================
|
|
// virtual
|
|
sal_Bool SAL_CALL ResultSetMetaData::isDefinitelyWritable( sal_Int32 column )
|
|
throw( SQLException, RuntimeException )
|
|
{
|
|
if ( m_pImpl->m_bGlobalReadOnlyValue )
|
|
return !m_bReadOnly;
|
|
|
|
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
|
|
return sal_False;
|
|
|
|
return m_pImpl->m_aColumnData[ column - 1 ].isDefinitelyWritable;
|
|
}
|
|
|
|
//=========================================================================
|
|
// virtual
|
|
OUString SAL_CALL ResultSetMetaData::getColumnServiceName( sal_Int32 column )
|
|
throw( SQLException, RuntimeException )
|
|
{
|
|
/*
|
|
Returns the fully-qualified name of the service whose instances
|
|
are manufactured if XResultSet::getObject is called to retrieve
|
|
a value from the column.
|
|
*/
|
|
|
|
if ( ( column < 1 ) || ( column > m_aProps.getLength() ) )
|
|
return OUString();
|
|
|
|
return m_pImpl->m_aColumnData[ column - 1 ].columnServiceName;
|
|
}
|
|
|
|
} // namespace ucbhelper
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|