xref: /trunk/main/svx/source/xml/xmlexport.cxx (revision f6e50924346d0b8c0b07c91832a97665dd718b0c)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.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 ::rtl::OUString;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;

sal_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" );
}

sal_Bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent, const char* pExportService )
{
    sal_Bool bDocRet = xOut.is();

    Reference< document::XGraphicObjectResolver > xGraphicResolver;
    SvXMLGraphicHelper *pGraphicHelper = 0;

    Reference< document::XEmbeddedObjectResolver > xObjectResolver;
    SvXMLEmbeddedObjectHelper *pObjectHelper = 0;

    Reference< lang::XComponent > xSourceDoc( xComponent );
    try
    {
        if( !xSourceDoc.is() )
        {
            xSourceDoc = new SvxUnoDrawingModel( pModel );
            pModel->setUnoModel( Reference< XInterface >::query( xSourceDoc ) );
        }

        uno::Reference< lang::XMultiServiceFactory> xServiceFactory( ::comphelper::getProcessServiceFactory() );
        if( !xServiceFactory.is() )
        {
            DBG_ERROR( "got no service manager" );
            bDocRet = sal_False;
        }

        if( bDocRet )
        {
            uno::Reference< uno::XInterface > xWriter( xServiceFactory->createInstance( OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.xml.sax.Writer" ) ) ) );
            if( !xWriter.is() )
            {
                DBG_ERROR( "com.sun.star.xml.sax.Writer service missing" );
                bDocRet = sal_False;
            }

            ::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
            if( pPersist )
            {
                pObjectHelper = SvXMLEmbeddedObjectHelper::Create( *pPersist, EMBEDDEDOBJECTHELPER_MODE_WRITE );
                xObjectResolver = pObjectHelper;
            }

            pGraphicHelper = SvXMLGraphicHelper::Create( GRAPHICHELPER_MODE_WRITE );
            xGraphicResolver = pGraphicHelper;

            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( xServiceFactory->createInstanceWithArguments( OUString::createFromAscii( pExportService ), aArgs ), uno::UNO_QUERY );
                if( !xFilter.is() )
                {
                    DBG_ERROR( "com.sun.star.comp.Draw.XMLExporter service missing" );
                    bDocRet = sal_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 e)
    {
        DBG_UNHANDLED_EXCEPTION();
        bDocRet = sal_False;
    }

    if( pGraphicHelper )
        SvXMLGraphicHelper::Destroy( pGraphicHelper );
    xGraphicResolver = 0;

    if( pObjectHelper )
        SvXMLEmbeddedObjectHelper::Destroy( pObjectHelper );
    xObjectResolver = 0;

    return bDocRet;
}

sal_Bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut )
{
    Reference< lang::XComponent > xComponent;
    return SvxDrawingLayerExport( pModel, xOut, xComponent );
}

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

sal_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" );
}

sal_Bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent, const char* pImportService  )
{
    sal_uInt32  nRet = 0;

    Reference< document::XGraphicObjectResolver > xGraphicResolver;
    SvXMLGraphicHelper *pGraphicHelper = 0;

    Reference< document::XEmbeddedObjectResolver > xObjectResolver;
    SvXMLEmbeddedObjectHelper *pObjectHelper = 0;

    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< lang::XMultiServiceFactory > xServiceFactory = comphelper::getProcessServiceFactory();
        DBG_ASSERT( xServiceFactory.is(), "XMLReader::Read: got no service manager" );

        if( !xServiceFactory.is() )
            nRet = 1;

        if( 0 == nRet )
        {
            if ( xTargetModel.is() )
                xTargetModel->lockControllers();

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

            pGraphicHelper = SvXMLGraphicHelper::Create( GRAPHICHELPER_MODE_READ );
            xGraphicResolver = pGraphicHelper;

            ::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
            if( pPersist )
            {
                pObjectHelper = SvXMLEmbeddedObjectHelper::Create(
                                            *pPersist,
                                            EMBEDDEDOBJECTHELPER_MODE_READ );
                xObjectResolver = pObjectHelper;
            }
        }

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

        if( 0 == nRet )
        {

            // parse
            // prepare ParserInputSrouce
            xml::sax::InputSource aParserInput;
            aParserInput.aInputStream = xInputStream;

            // get parser
            Reference< xml::sax::XParser > xParser( xServiceFactory->createInstance( OUString::createFromAscii("com.sun.star.xml.sax.Parser") ), UNO_QUERY );
            DBG_ASSERT( xParser.is(), "Can't create parser" );

            // prepare filter arguments
            Sequence<Any> aFilterArgs( 2 );
            Any *pArgs = aFilterArgs.getArray();
            *pArgs++ <<= xGraphicResolver;
            *pArgs++ <<= xObjectResolver;

            // get filter
            Reference< xml::sax::XDocumentHandler > xFilter( xServiceFactory->createInstanceWithArguments( OUString::createFromAscii( pImportService ), aFilterArgs), UNO_QUERY );
            DBG_ASSERT( xFilter.is(), "Can't instantiate filter component." );

            nRet = 1;
            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 );

                nRet = 0;
            }
        }
    }
    catch( uno::Exception& r )
    {
        DBG_UNHANDLED_EXCEPTION();
    }

    if( pGraphicHelper )
        SvXMLGraphicHelper::Destroy( pGraphicHelper );
    xGraphicResolver = 0;

    if( pObjectHelper )
        SvXMLEmbeddedObjectHelper::Destroy( pObjectHelper );
    xObjectResolver = 0;

    if ( xTargetModel.is() )
        xTargetModel->unlockControllers();

    return nRet == 0;
}

sal_Bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream )
{
    Reference< lang::XComponent > xComponent;
    return SvxDrawingLayerImport( pModel, xInputStream, xComponent );
}