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office-gobmx/svx/source/xml/xmlexport.cxx
Noel Grandin 32eb4d56a4 use rtl::Reference for SvXMLGraphicHelper 
Change-Id: I0052b29660fb6157f7e98c4e124f030ba439d304
Reviewed-on: https://gerrit.libreoffice.org/43417
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2017-10-16 13:39:33 +02:00

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/* -*- 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 .
*/
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/xml/sax/Parser.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/Writer.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/xml/sax/SAXParseException.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/document/XExporter.hpp>
#include <com/sun/star/document/XImporter.hpp>
#include <comphelper/processfactory.hxx>
#include <unotools/streamwrap.hxx>
#include <sot/storage.hxx>
#include <svx/svdmodel.hxx>
#include <svx/xmleohlp.hxx>
#include <svx/xmlgrhlp.hxx>
#include <svx/unomodel.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent )
{
return SvxDrawingLayerExport( pModel, xOut, xComponent, "com.sun.star.comp.DrawingLayer.XMLExporter" );
}
bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent, const char* pExportService )
{
bool bDocRet = xOut.is();
Reference< document::XGraphicObjectResolver > xGraphicResolver;
rtl::Reference<SvXMLGraphicHelper> xGraphicHelper;
Reference< document::XEmbeddedObjectResolver > xObjectResolver;
rtl::Reference<SvXMLEmbeddedObjectHelper> xObjectHelper;
Reference< lang::XComponent > xSourceDoc( xComponent );
try
{
if( !xSourceDoc.is() )
{
xSourceDoc = new SvxUnoDrawingModel( pModel );
pModel->setUnoModel( Reference< XInterface >::query( xSourceDoc ) );
}
uno::Reference< uno::XComponentContext> xContext( ::comphelper::getProcessComponentContext() );
if( bDocRet )
{
uno::Reference< xml::sax::XWriter > xWriter = xml::sax::Writer::create( xContext );
::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
if( pPersist )
{
xObjectHelper = SvXMLEmbeddedObjectHelper::Create( *pPersist, SvXMLEmbeddedObjectHelperMode::Write );
xObjectResolver = xObjectHelper.get();
}
xGraphicHelper = SvXMLGraphicHelper::Create( SvXMLGraphicHelperMode::Write );
xGraphicResolver = xGraphicHelper.get();
if( bDocRet )
{
uno::Reference<xml::sax::XDocumentHandler> xHandler( xWriter, uno::UNO_QUERY );
// doc export
uno::Reference< io::XActiveDataSource > xDocSrc( xWriter, uno::UNO_QUERY );
xDocSrc->setOutputStream( xOut );
uno::Sequence< uno::Any > aArgs( xObjectResolver.is() ? 3 : 2 );
aArgs[0] <<= xHandler;
aArgs[1] <<= xGraphicResolver;
if( xObjectResolver.is() )
aArgs[2] <<= xObjectResolver;
uno::Reference< document::XFilter > xFilter( xContext->getServiceManager()->createInstanceWithArgumentsAndContext( OUString::createFromAscii( pExportService ), aArgs, xContext ), uno::UNO_QUERY );
if( !xFilter.is() )
{
OSL_FAIL( "com.sun.star.comp.Draw.XMLExporter service missing" );
bDocRet = false;
}
if( bDocRet )
{
uno::Reference< document::XExporter > xExporter( xFilter, uno::UNO_QUERY );
if( xExporter.is() )
{
xExporter->setSourceDocument( xSourceDoc );
uno::Sequence< beans::PropertyValue > aDescriptor( 0 );
bDocRet = xFilter->filter( aDescriptor );
}
}
}
}
}
catch(uno::Exception const&)
{
DBG_UNHANDLED_EXCEPTION();
bDocRet = false;
}
if( xGraphicHelper )
xGraphicHelper->dispose();
xGraphicHelper.clear();
xGraphicResolver = nullptr;
if( xObjectHelper.is() )
xObjectHelper->dispose();
return bDocRet;
}
bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut )
{
Reference< lang::XComponent > xComponent;
return SvxDrawingLayerExport( pModel, xOut, xComponent );
}
//-
bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent )
{
return SvxDrawingLayerImport( pModel, xInputStream, xComponent, "com.sun.star.comp.Draw.XMLOasisImporter" );
}
bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent, const char* pImportService )
{
bool bRet = true;
Reference< document::XGraphicObjectResolver > xGraphicResolver;
rtl::Reference<SvXMLGraphicHelper> xGraphicHelper;
Reference< document::XEmbeddedObjectResolver > xObjectResolver;
rtl::Reference<SvXMLEmbeddedObjectHelper> xObjectHelper;
Reference< lang::XComponent > xTargetDocument( xComponent );
if( !xTargetDocument.is() )
{
xTargetDocument = new SvxUnoDrawingModel( pModel );
pModel->setUnoModel( Reference< XInterface >::query( xTargetDocument ) );
}
Reference< frame::XModel > xTargetModel( xTargetDocument, UNO_QUERY );
try
{
// Get service factory
Reference< uno::XComponentContext > xContext = comphelper::getProcessComponentContext();
if ( xTargetModel.is() )
xTargetModel->lockControllers();
xGraphicHelper = SvXMLGraphicHelper::Create( SvXMLGraphicHelperMode::Read );
xGraphicResolver = xGraphicHelper.get();
::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
if( pPersist )
{
xObjectHelper = SvXMLEmbeddedObjectHelper::Create(
*pPersist,
SvXMLEmbeddedObjectHelperMode::Read );
xObjectResolver = xObjectHelper.get();
}
// parse
// prepare ParserInputSrouce
xml::sax::InputSource aParserInput;
aParserInput.aInputStream = xInputStream;
// get parser
Reference< xml::sax::XParser > xParser = xml::sax::Parser::create( xContext );
// prepare filter arguments
Sequence<Any> aFilterArgs( 2 );
Any *pArgs = aFilterArgs.getArray();
*pArgs++ <<= xGraphicResolver;
*pArgs++ <<= xObjectResolver;
// get filter
Reference< xml::sax::XDocumentHandler > xFilter( xContext->getServiceManager()->createInstanceWithArgumentsAndContext( OUString::createFromAscii( pImportService ), aFilterArgs, xContext), UNO_QUERY );
DBG_ASSERT( xFilter.is(), "Can't instantiate filter component." );
bRet = false;
if( xParser.is() && xFilter.is() )
{
// connect parser and filter
xParser->setDocumentHandler( xFilter );
// connect model and filter
uno::Reference < document::XImporter > xImporter( xFilter, UNO_QUERY );
xImporter->setTargetDocument( xTargetDocument );
// finally, parser the stream
xParser->parseStream( aParserInput );
bRet = true;
}
}
catch( uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
if( xGraphicHelper )
xGraphicHelper->dispose();
xGraphicHelper.clear();
xGraphicResolver = nullptr;
if( xObjectHelper.is() )
xObjectHelper->dispose();
xObjectHelper.clear();
xObjectResolver = nullptr;
if ( xTargetModel.is() )
xTargetModel->unlockControllers();
return bRet;
}
bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream )
{
Reference< lang::XComponent > xComponent;
return SvxDrawingLayerImport( pModel, xInputStream, xComponent );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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