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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _XMLOFF_PROPERTYHANDLERFACTORY_HXX
#define _XMLOFF_PROPERTYHANDLERFACTORY_HXX
#include "sal/config.h"
#include "xmloff/dllapi.h"
#include "sal/types.h"
#ifndef __SGI_STL_MAP
#include <map>
#endif
#include <xmloff/uniref.hxx>
#include <xmloff/xmlprhdl.hxx>
/**
This class is a base-class to create XMLPropertyHandler.
It creates PropertyHandler for given XML-types and store
them in an internal cache. They'll be deleted at destruction-
time.
For create your own PropertyHandler for specific XML-types
you have to override the virtual method GetPropertyHandler
( see below ).
*/
class XMLOFF_DLLPUBLIC XMLPropertyHandlerFactory : public UniRefBase
{
public:
virtual ~XMLPropertyHandlerFactory();
/**
This method retrieves a PropertyHandler for the given XML-type.
To extend this method for more XML-types override this method
like the example below. If you call the method of the base-class
you get propertyhandler for basic-XML-types ( e.g. for color, percent, ... ).
Afetr that you could create your new XML-types. After creating a new type
you have to put the pointer into the cache via the method
PutHdlCache( sal_Int32 , XMLPropertyHandler* ).
virtual const XMLPropertyHandler* GetPropertyHandler( sal_Int32 nType ) const
{
XMLPropertyHandler* pHdl = XMLPropertyHandlerFactory::GetPropertyHandler( nType );
if( !pHdl )
{
switch( nType )
{
case XML_TYPE_XYZ :
pHdl = new XML_xyz_PropHdl;
break;
case ...
:
:
}
if( pHdl )
PutHdlCache( nType, pHdl );
}
return pHdl;
}
*/
virtual const XMLPropertyHandler* GetPropertyHandler( sal_Int32 nType ) const;
/** helper method to statically create a property handler; this will not
* use the handler cache. This method should only be called in special
* circumstances; calling GetPropertyHandler is almost always
* preferable. */
static const XMLPropertyHandler* CreatePropertyHandler( sal_Int32 nType );
protected:
/** Retrieves a PropertyHandler from the internal cache */
XMLPropertyHandler* GetHdlCache( sal_Int32 nType ) const;
/** Puts a PropertyHandler into the internal cache */
void PutHdlCache( sal_Int32 nType, const XMLPropertyHandler* pHdl ) const;
private:
/** Retrieves ( creates if necessary ) PropertyHandler for
basic XML-types */
SAL_DLLPRIVATE const XMLPropertyHandler* GetBasicHandler( sal_Int32 nType )
const;
typedef ::std::map< sal_Int32, XMLPropertyHandler* > CacheMap;
CacheMap maHandlerCache;
};
#endif // _XMLOFF_PROPERTYHANDLERFACTORY_HXX
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