/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: writersvc.hxx,v $
 *
 *  $Revision: 1.6 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 04:43:45 $
 *
 *  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 CONFIGMGR_XML_WRITERSVC_HXX
#define CONFIGMGR_XML_WRITERSVC_HXX

#ifndef CONFIGMGR_SERVICEINFOHELPER_HXX_
#include "serviceinfohelper.hxx"
#endif

#ifndef _CPPUHELPER_IMPLBASE4_HXX_
#include <cppuhelper/implbase4.hxx>
#endif

#ifndef _COM_SUN_STAR_UNO_XCOMPONENTCONTEXT_HPP_
#include <com/sun/star/uno/XComponentContext.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XINITIALIZATION_HPP_
#include <com/sun/star/lang/XInitialization.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XACTIVEDATASOURCE_HPP_
#include <com/sun/star/io/XActiveDataSource.hpp>
#endif
#ifndef _COM_SUN_STAR_XML_SAX_XDOCUMENTHANDLER_HPP_
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#endif

// -----------------------------------------------------------------------------

namespace com { namespace sun { namespace star { namespace configuration { namespace backend {
    class XLayerHandler;
} } } } }

// -----------------------------------------------------------------------------

namespace configmgr
{
// -----------------------------------------------------------------------------
    namespace xml
    {
// -----------------------------------------------------------------------------
        using rtl::OUString;
        namespace uno   = ::com::sun::star::uno;
        namespace lang  = ::com::sun::star::lang;
        namespace io    = ::com::sun::star::io;
        namespace sax   = ::com::sun::star::xml::sax;
// -----------------------------------------------------------------------------

        template <class BackendInterface>
        class WriterService : public ::cppu::WeakImplHelper4<
                                            lang::XInitialization,
                                            lang::XServiceInfo,
                                            io::XActiveDataSource,
                                            BackendInterface
                                        >
        {
        public:
            typedef uno::Reference< uno::XComponentContext > const &    CreationArg;
            typedef uno::Reference< lang::XMultiServiceFactory >        ServiceFactory;

            explicit
            WriterService(CreationArg _xContext);

            // XInitialization
            virtual void SAL_CALL
                initialize( const uno::Sequence< uno::Any >& aArguments )
                    throw (uno::Exception, uno::RuntimeException);

            // XServiceInfo
            virtual ::rtl::OUString SAL_CALL
                getImplementationName(  )
                    throw (uno::RuntimeException);

            virtual sal_Bool SAL_CALL
                supportsService( const ::rtl::OUString& ServiceName )
                    throw (uno::RuntimeException);

            virtual uno::Sequence< ::rtl::OUString > SAL_CALL
                getSupportedServiceNames(  )
                    throw (uno::RuntimeException);

            // XActiveDataSink
            virtual void SAL_CALL
                setOutputStream( const uno::Reference< io::XOutputStream >& aStream )
                    throw (uno::RuntimeException);

            virtual uno::Reference< io::XOutputStream > SAL_CALL
                getOutputStream(  )
                    throw (uno::RuntimeException);

        protected:
            typedef uno::Reference< sax::XDocumentHandler >         SaxHandler;

            ServiceFactory getServiceFactory() const
            { return m_xServiceFactory; }

            SaxHandler getWriteHandler() throw (uno::RuntimeException);
        private:
            ServiceFactory      m_xServiceFactory;
            SaxHandler          m_xWriter;

            SaxHandler createHandler() const throw (uno::RuntimeException);

            static ServiceInfoHelper getServiceInfo();
        };

// -----------------------------------------------------------------------------
        typedef WriterService< ::com::sun::star::configuration::backend::XLayerHandler >
            LayerWriterService_Base;
// -----------------------------------------------------------------------------
    } // namespace xml
// -----------------------------------------------------------------------------

} // namespace configmgr
#endif