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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: SinglePropertySetInfoCache.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-09 14:29:44 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _COM_SUN_STAR_LANG_XTYPEPROVIDER_HPP_
#include <com/sun/star/lang/XTypeProvider.hpp>
#endif
#ifndef _CPPUHELPER_WEAKREF_HXX_
#include <cppuhelper/weakref.hxx>
#endif
#ifndef _XMLOFF_SINGLEPROPERTYSETINFOCACHE_HXX
#include "SinglePropertySetInfoCache.hxx"
#endif
using namespace ::com::sun::star::uno;
using ::com::sun::star::lang::XTypeProvider;
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::beans::XPropertySetInfo;
sal_Bool SinglePropertySetInfoCache::hasProperty(
const Reference< XPropertySet >& rPropSet,
Reference< XPropertySetInfo >& rPropSetInfo )
{
if( !rPropSetInfo.is() )
rPropSetInfo = rPropSet->getPropertySetInfo();
sal_Bool bRet = sal_False, bValid = sal_False;
Reference < XTypeProvider > xTypeProv( rPropSet, UNO_QUERY );
Sequence< sal_Int8 > aImplId;
if( xTypeProv.is() )
{
aImplId = xTypeProv->getImplementationId();
if( aImplId.getLength() == 16 )
{
// The key must not be created outside this block, because it
// keeps a reference to the property set info.
PropertySetInfoKey aKey( rPropSetInfo, aImplId );
iterator aIter = find( aKey );
if( aIter != end() )
{
bRet = (*aIter).second;
bValid = sal_True;
}
}
}
if( !bValid )
{
bRet = rPropSetInfo->hasPropertyByName( sName );
if( xTypeProv.is() && aImplId.getLength() == 16 )
{
// Check whether the property set info is destroyed if it is
// assigned to a weak reference only. If it is destroyed, then
// every instance of getPropertySetInfo returns a new object.
// Such property set infos must not be cached.
WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
rPropSetInfo = 0;
rPropSetInfo = xWeakInfo;
if( rPropSetInfo.is() )
{
PropertySetInfoKey aKey( rPropSetInfo, aImplId );
value_type aValue( aKey, bRet );
insert( aValue );
}
}
}
return bRet;
}
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