svx/source/xml/xmlexport.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <tools/debug.hxx>
  21 #include <tools/diagnose_ex.h>
  22 #include <com/sun/star/xml/sax/InputSource.hpp>
  23 #include <com/sun/star/xml/sax/Parser.hpp>
  24 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
  25 #include <com/sun/star/xml/sax/Writer.hpp>
  26 #include <com/sun/star/lang/XComponent.hpp>
  27 #include <com/sun/star/xml/sax/XFastParser.hpp>
  28 #include <com/sun/star/io/XOutputStream.hpp>
  29 #include <com/sun/star/document/XFilter.hpp>
  30 #include <com/sun/star/document/XExporter.hpp>
  31 #include <com/sun/star/document/XImporter.hpp>
  32 #include <comphelper/processfactory.hxx>
  33 #include <svx/svdmodel.hxx>
  34 #include <svx/xmleohlp.hxx>
  35 #include <svx/xmlgrhlp.hxx>
  36
  37 #include <svx/unomodel.hxx>
  38
  39 using namespace ::com::sun::star;
  40 using namespace ::com::sun::star::uno;
  41
  42 bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent )
  43 {
  44     return SvxDrawingLayerExport( pModel, xOut, xComponent, "com.sun.star.comp.DrawingLayer.XMLExporter" );
  45 }
  46
  47 bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent, const char* pExportService )
  48 {
  49     bool bDocRet = xOut.is();
  50
  51     uno::Reference<document::XGraphicStorageHandler> xGraphicStorageHandler;
  52     rtl::Reference<SvXMLGraphicHelper> xGraphicHelper;
  53
  54     Reference< document::XEmbeddedObjectResolver > xObjectResolver;
  55     rtl::Reference<SvXMLEmbeddedObjectHelper> xObjectHelper;
  56
  57     Reference< lang::XComponent > xSourceDoc( xComponent );
  58     try
  59     {
  60         if( !xSourceDoc.is() )
  61         {
  62             xSourceDoc = new SvxUnoDrawingModel( pModel );
  63             pModel->setUnoModel( Reference< XInterface >::query( xSourceDoc ) );
  64         }
  65
  66         uno::Reference< uno::XComponentContext> xContext( ::comphelper::getProcessComponentContext() );
  67
  68         if( bDocRet )
  69         {
  70             uno::Reference< xml::sax::XWriter > xWriter = xml::sax::Writer::create( xContext );
  71
  72             ::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
  73             if( pPersist )
  74             {
  75                 xObjectHelper = SvXMLEmbeddedObjectHelper::Create( *pPersist, SvXMLEmbeddedObjectHelperMode::Write );
  76                 xObjectResolver = xObjectHelper.get();
  77             }
  78
  79             xGraphicHelper = SvXMLGraphicHelper::Create( SvXMLGraphicHelperMode::Write );
  80             xGraphicStorageHandler = xGraphicHelper.get();
  81
  82             uno::Reference<xml::sax::XDocumentHandler>  xHandler = xWriter;
  83
  84             // doc export
  85             xWriter->setOutputStream( xOut );
  86
  87             uno::Sequence< uno::Any > aArgs( xObjectResolver.is() ? 3 : 2 );
  88             aArgs[0] <<= xHandler;
  89             aArgs[1] <<= xGraphicStorageHandler;
  90             if( xObjectResolver.is() )
  91                 aArgs[2] <<= xObjectResolver;
  92
  93             uno::Reference< document::XFilter > xFilter( xContext->getServiceManager()->createInstanceWithArgumentsAndContext( OUString::createFromAscii( pExportService ), aArgs, xContext ), uno::UNO_QUERY );
  94             if( !xFilter.is() )
  95             {
  96                 OSL_FAIL( "com.sun.star.comp.Draw.XMLExporter service missing" );
  97                 bDocRet = false;
  98             }
  99
 100             if( bDocRet )
 101             {
 102                 uno::Reference< document::XExporter > xExporter( xFilter, uno::UNO_QUERY );
 103                 if( xExporter.is() )
 104                 {
 105                     xExporter->setSourceDocument( xSourceDoc );
 106
 107                     uno::Sequence< beans::PropertyValue > aDescriptor( 0 );
 108                     bDocRet = xFilter->filter( aDescriptor );
 109                 }
 110             }
 111         }
 112     }
 113     catch(uno::Exception const&)
 114     {
 115         DBG_UNHANDLED_EXCEPTION("svx");
 116         bDocRet = false;
 117     }
 118
 119     if( xGraphicHelper )
 120         xGraphicHelper->dispose();
 121     xGraphicHelper.clear();
 122     xGraphicStorageHandler = nullptr;
 123
 124     if( xObjectHelper.is() )
 125         xObjectHelper->dispose();
 126
 127     return bDocRet;
 128 }
 129
 130 bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut )
 131 {
 132     Reference< lang::XComponent > xComponent;
 133     return SvxDrawingLayerExport( pModel, xOut, xComponent );
 134 }
 135
 136 //-
 137
 138 bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent )
 139 {
 140     return SvxDrawingLayerImport( pModel, xInputStream, xComponent, "com.sun.star.comp.Draw.XMLOasisImporter" );
 141 }
 142
 143 bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent, const char* pImportService  )
 144 {
 145     bool bRet = true;
 146
 147     uno::Reference<document::XGraphicStorageHandler> xGraphicStorageHandler;
 148     rtl::Reference<SvXMLGraphicHelper> xGraphicHelper;
 149
 150     Reference< document::XEmbeddedObjectResolver > xObjectResolver;
 151     rtl::Reference<SvXMLEmbeddedObjectHelper> xObjectHelper;
 152
 153     Reference< lang::XComponent > xTargetDocument( xComponent );
 154     if( !xTargetDocument.is() )
 155     {
 156         xTargetDocument = new SvxUnoDrawingModel( pModel );
 157         pModel->setUnoModel( Reference< XInterface >::query( xTargetDocument ) );
 158     }
 159
 160     Reference< frame::XModel > xTargetModel( xTargetDocument, UNO_QUERY );
 161
 162     try
 163     {
 164         // Get service factory
 165         Reference< uno::XComponentContext > xContext = comphelper::getProcessComponentContext();
 166
 167         if ( xTargetModel.is() )
 168             xTargetModel->lockControllers();
 169
 170
 171         xGraphicHelper = SvXMLGraphicHelper::Create( SvXMLGraphicHelperMode::Read );
 172         xGraphicStorageHandler = xGraphicHelper.get();
 173
 174         ::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
 175         if( pPersist )
 176         {
 177             xObjectHelper = SvXMLEmbeddedObjectHelper::Create(
 178                                         *pPersist,
 179                                         SvXMLEmbeddedObjectHelperMode::Read );
 180             xObjectResolver = xObjectHelper.get();
 181         }
 182
 183         // parse
 184         // prepare ParserInputSource
 185         xml::sax::InputSource aParserInput;
 186         aParserInput.aInputStream = xInputStream;
 187
 188         // prepare filter arguments
 189         Sequence<Any> aFilterArgs( 2 );
 190         Any *pArgs = aFilterArgs.getArray();
 191         *pArgs++ <<= xGraphicStorageHandler;
 192         *pArgs++ <<= xObjectResolver;
 193
 194         // get filter
 195         Reference< XInterface > xFilter = xContext->getServiceManager()->createInstanceWithArgumentsAndContext( OUString::createFromAscii( pImportService ), aFilterArgs, xContext);
 196         SAL_WARN_IF( !xFilter, "svx", "Can't instantiate filter component " << pImportService);
 197         uno::Reference< xml::sax::XFastParser > xFastParser( xFilter,  UNO_QUERY );
 198         assert(xFastParser);
 199
 200         bRet = false;
 201         if( xFastParser.is() )
 202         {
 203             // connect model and filter
 204             uno::Reference < document::XImporter > xImporter( xFilter, UNO_QUERY );
 205             xImporter->setTargetDocument( xTargetDocument );
 206
 207             // finally, parser the stream
 208             xFastParser->parseStream( aParserInput );
 209
 210             bRet = true;
 211         }
 212     }
 213     catch( uno::Exception& )
 214     {
 215         DBG_UNHANDLED_EXCEPTION("svx");
 216     }
 217
 218     if( xGraphicHelper )
 219         xGraphicHelper->dispose();
 220     xGraphicHelper.clear();
 221     xGraphicStorageHandler = nullptr;
 222
 223     if( xObjectHelper.is() )
 224         xObjectHelper->dispose();
 225     xObjectHelper.clear();
 226     xObjectResolver = nullptr;
 227
 228     if ( xTargetModel.is() )
 229         xTargetModel->unlockControllers();
 230
 231     return bRet;
 232 }
 233
 234 bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream )
 235 {
 236     Reference< lang::XComponent > xComponent;
 237     return SvxDrawingLayerImport( pModel, xInputStream, xComponent );
 238 }
 239
 240 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */