libreoffice/framework/source/xml/imagesconfiguration.cxx

/*************************************************************************
 *
 *  $RCSfile: imagesconfiguration.cxx,v $
 *
 *  $Revision: 1.3 $
 *
 *  last change: $Author: rt $ $Date: 2004-05-03 13:23:14 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 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
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef __FRAMEWORK_CLASSES_IMAGESCONFIGURATION_HXX_
#include <xml/imagesconfiguration.hxx>
#endif

#ifndef __FRAMEWORK_CLASSES_IMAGESDOCUMENTHANDLER_HXX_
#include <xml/imagesdocumenthandler.hxx>
#endif

#ifndef __FRAMEWORK_SERVICES_SAXNAMESPACEFILTER_HXX_
#include <xml/saxnamespacefilter.hxx>
#endif

//_________________________________________________________________________________________________________________
//  interface includes
//_________________________________________________________________________________________________________________

#ifndef _COM_SUN_STAR_XML_SAX_XPARSER_HPP_
#include <com/sun/star/xml/sax/XParser.hpp>
#endif

#ifndef _COM_SUN_STAR_IO_XACTIVEDATASOURCE_HPP_
#include <com/sun/star/io/XActiveDataSource.hpp>
#endif

#ifndef _COM_SUN_STAR_IO_XINPUTSTREAM_HPP_
#include <com/sun/star/io/XInputStream.hpp>
#endif

#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#endif

//_________________________________________________________________________________________________________________
//  other includes
//_________________________________________________________________________________________________________________

#ifndef _UNOTOOLS_PROCESSFACTORY_HXX
#include <comphelper/processfactory.hxx>
#endif

#ifndef _UTL_STREAM_WRAPPER_HXX_
#include <unotools/streamwrap.hxx>
#endif

#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif

//_________________________________________________________________________________________________________________
//  namespace
//_________________________________________________________________________________________________________________

using namespace ::rtl;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::io;


namespace framework
{

SV_IMPL_PTRARR( ImageItemListDescriptor, ImageItemDescriptorPtr );
SV_IMPL_PTRARR( ExternalImageItemListDescriptor, ExternalImageItemDescriptorPtr );
SV_IMPL_PTRARR( ImageListDescriptor, ImageListItemDescriptorPtr );

static Reference< XParser > GetSaxParser(
    // #110897#
    const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xServiceFactory
    )
{
    //Reference< XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
    //return Reference< XParser >( xServiceManager->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.xml.sax.Parser" )), UNO_QUERY);
    return Reference< XParser >( xServiceFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.xml.sax.Parser" )), UNO_QUERY);
}

static Reference< XDocumentHandler > GetSaxWriter(
    // #110897#
    const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xServiceFactory
    )
{
    //Reference< XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
    //return Reference< XDocumentHandler >( xServiceManager->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.xml.sax.Writer" )), UNO_QUERY) ;
    return Reference< XDocumentHandler >( xServiceFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.xml.sax.Writer" )), UNO_QUERY) ;
}

// #110897#
sal_Bool ImagesConfiguration::LoadImages(
    const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xServiceFactory,
    SvStream& rInStream, ImageListsDescriptor& aItems )
{
    Reference< XParser > xParser( GetSaxParser( xServiceFactory ) );
    Reference< XInputStream > xInputStream(
                                (::cppu::OWeakObject *)new utl::OInputStreamWrapper( rInStream ),
                                UNO_QUERY );

    // connect stream to input stream to the parser
    InputSource aInputSource;

    aInputSource.aInputStream = xInputStream;

    // create namespace filter and set document handler inside to support xml namespaces
    Reference< XDocumentHandler > xDocHandler( new OReadImagesDocumentHandler( aItems ));
    Reference< XDocumentHandler > xFilter( new SaxNamespaceFilter( xDocHandler ));

    // connect parser and filter
    xParser->setDocumentHandler( xFilter );

    try
    {
        xParser->parseStream( aInputSource );
        return sal_True;
    }
    catch ( RuntimeException& )
    {
        return sal_False;
    }
    catch( SAXException& )
    {
        return sal_False;
    }
    catch( ::com::sun::star::io::IOException& )
    {
        return sal_False;
    }

    return sal_False;
}


// #110897#
sal_Bool ImagesConfiguration::StoreImages(
    const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xServiceFactory,
    SvStream& rOutStream, const ImageListsDescriptor& aItems )
{
    Reference< XDocumentHandler > xWriter( GetSaxWriter( xServiceFactory ) );

    Reference< XOutputStream > xOutputStream(
                                (::cppu::OWeakObject *)new utl::OOutputStreamWrapper( rOutStream ),
                                UNO_QUERY );

    Reference< ::com::sun::star::io::XActiveDataSource> xDataSource( xWriter , UNO_QUERY );
    xDataSource->setOutputStream( xOutputStream );

    try
    {
        OWriteImagesDocumentHandler aWriteImagesDocumentHandler( aItems, xWriter );
        aWriteImagesDocumentHandler.WriteImagesDocument();
        return sal_True;
    }
    catch ( RuntimeException& )
    {
        return sal_False;
    }
    catch ( SAXException& )
    {
        return sal_False;
    }
    catch ( ::com::sun::star::io::IOException& )
    {
        return sal_False;
    }

    return sal_False;
}

}