    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*
     * This file is part of the LibreOffice project.
     *
     * This Source Code Form is subject to the terms of the Mozilla Public
     * License, v. 2.0. If a copy of the MPL was not distributed with this
     * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     *
     * This file incorporates work covered by the following license notice:
     *
     *   Licensed to the Apache Software Foundation (ASF) under one or more
     *   contributor license agreements. See the NOTICE file distributed
     *   with this work for additional information regarding copyright
     *   ownership. The ASF licenses this file to you under the Apache
     *   License, Version 2.0 (the "License"); you may not use this file
     *   except in compliance with the License. You may obtain a copy of
     *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
     */

    /**************************************************************************
                                    TODO
     **************************************************************************

     *************************************************************************/

    #include <cppuhelper/factory.hxx>
    #include <cppuhelper/supportsservice.hxx>
    #include <com/sun/star/lang/XMultiServiceFactory.hpp>

    #include "tdoc_documentcontentfactory.hxx"

    using namespace com::sun::star;
    using namespace tdoc_ucp;

    // DocumentContentFactory Implementation.

    DocumentContentFactory::DocumentContentFactory(
                const uno::Reference< lang::XMultiServiceFactory >& xSMgr )
    : m_xSMgr( xSMgr )
    {
    }

    // virtual
    DocumentContentFactory::~DocumentContentFactory()
    {
    }

    // XServiceInfo methods.

    // virtual
    OUString SAL_CALL DocumentContentFactory::getImplementationName()
    {
        return getImplementationName_Static();
    }

    // virtual
    sal_Bool SAL_CALL
    DocumentContentFactory::supportsService( const OUString& ServiceName )
    {
        return cppu::supportsService(this, ServiceName);
    }

    // virtual
    uno::Sequence< OUString > SAL_CALL
    DocumentContentFactory::getSupportedServiceNames()
    {
        return getSupportedServiceNames_Static();
    }

    // static
    OUString DocumentContentFactory::getImplementationName_Static()
    {
        return OUString(
            "com.sun.star.comp.ucb.TransientDocumentsDocumentContentFactory" );
    }

    // static
    uno::Sequence< OUString >
    DocumentContentFactory::getSupportedServiceNames_Static()
    {
        uno::Sequence< OUString > aSNS { "com.sun.star.frame.TransientDocumentsDocumentContentFactory" };
        return aSNS;
    }

    // XTransientDocumentsDocumentContentFactory methods.

    // virtual
    uno::Reference< ucb::XContent > SAL_CALL
    DocumentContentFactory::createDocumentContent(
            const uno::Reference< frame::XModel >& Model )
    {
        uno::Reference< frame::XTransientDocumentsDocumentContentFactory > xDocFac;
        try
        {
            xDocFac.set( m_xSMgr->createInstance("com.sun.star.ucb.TransientDocumentsContentProvider"),
                         uno::UNO_QUERY );
        }
        catch ( uno::Exception const & )
        {
            // handled below.
        }

        if ( xDocFac.is() )
            return xDocFac->createDocumentContent( Model );

        throw uno::RuntimeException(
            "Unable to obtain document content factory!",
            static_cast< cppu::OWeakObject * >( this ) );
    }

    // Service factory implementation.

    /// @throws uno::Exception
    static uno::Reference< uno::XInterface >
    DocumentContentFactory_CreateInstance(
        const uno::Reference< lang::XMultiServiceFactory> & rSMgr )
    {
        lang::XServiceInfo * pX = static_cast< lang::XServiceInfo * >(
            new DocumentContentFactory( rSMgr ) );
        return uno::Reference< uno::XInterface >::query( pX );
    }

    // static
    uno::Reference< lang::XSingleServiceFactory >
    DocumentContentFactory::createServiceFactory(
        const uno::Reference< lang::XMultiServiceFactory >& rxServiceMgr )
    {
        return cppu::createOneInstanceFactory(
                    rxServiceMgr,
                    DocumentContentFactory::getImplementationName_Static(),
                    DocumentContentFactory_CreateInstance,
                    DocumentContentFactory::getSupportedServiceNames_Static() );
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V572 It is odd that the object which was created using 'new' operator is immediately cast to another type.