126 lines
4.6 KiB
C++
126 lines
4.6 KiB
C++
/*************************************************************************
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*
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* $RCSfile: SinglePropertySetInfoCache.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2003-03-27 18:20:33 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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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 2000 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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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _COM_SUN_STAR_LANG_XTYPEPROVIDER_HPP_
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#include <com/sun/star/lang/XTypeProvider.hpp>
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#endif
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#ifndef _CPPUHELPER_WEAKREF_HXX_
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#include <cppuhelper/weakref.hxx>
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#endif
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#ifndef _XMLOFF_SINGLEPROPERTYSETINFOCACHE_HXX
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#include "SinglePropertySetInfoCache.hxx"
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#endif
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using namespace ::com::sun::star::uno;
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using ::com::sun::star::lang::XTypeProvider;
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using ::com::sun::star::beans::XPropertySet;
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using ::com::sun::star::beans::XPropertySetInfo;
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sal_Bool SinglePropertySetInfoCache::hasProperty(
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const Reference< XPropertySet >& rPropSet,
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Reference< XPropertySetInfo >& rPropSetInfo )
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{
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if( !rPropSetInfo.is() )
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rPropSetInfo = rPropSet->getPropertySetInfo();
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sal_Bool bRet = sal_False, bValid = sal_False;
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Reference < XTypeProvider > xTypeProv( rPropSet, UNO_QUERY );
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Sequence< sal_Int8 > aImplId;
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if( xTypeProv.is() )
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{
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aImplId = xTypeProv->getImplementationId();
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if( aImplId.getLength() == 16 )
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{
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// The key must not be created outside this block, because it
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// keeps a reference to the property set info.
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PropertySetInfoKey aKey( rPropSetInfo, aImplId );
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iterator aIter = find( aKey );
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if( aIter != end() )
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{
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bRet = (*aIter).second;
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bValid = sal_True;
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}
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}
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}
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if( !bValid )
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{
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bRet = rPropSetInfo->hasPropertyByName( sName );
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if( xTypeProv.is() && aImplId.getLength() == 16 )
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{
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// Check whether the property set info is destroyed if it is
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// assigned to a weak reference only. If it is destroyed, then
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// every instance of getPropertySetInfo returns a new object.
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// Such property set infos must not be cached.
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WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
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rPropSetInfo = 0;
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rPropSetInfo = xWeakInfo;
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if( rPropSetInfo.is() )
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{
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PropertySetInfoKey aKey( rPropSetInfo, aImplId );
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value_type aValue( aKey, bRet );
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insert( aValue );
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}
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}
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}
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return bRet;
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}
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