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/lang/XMultiServiceFactory.hpp>
  25 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
  26 #include <com/sun/star/xml/sax/Writer.hpp>
  27 #include <com/sun/star/lang/XComponent.hpp>
  28 #include <com/sun/star/io/XActiveDataSource.hpp>
  29 #include <com/sun/star/xml/sax/SAXParseException.hpp>
  30 #include <com/sun/star/io/XOutputStream.hpp>
  31 #include <com/sun/star/document/XFilter.hpp>
  32 #include <com/sun/star/document/XExporter.hpp>
  33 #include <com/sun/star/document/XImporter.hpp>
  34 #include <comphelper/processfactory.hxx>
  35 #include <unotools/streamwrap.hxx>
  36 #include <sot/storage.hxx>
  37 #include <svx/svdmodel.hxx>
  38 #include <svx/xmleohlp.hxx>
  39 #include <svx/xmlgrhlp.hxx>
  40
  41 #include <svx/unomodel.hxx>
  42
  43 using namespace ::com::sun::star;
  44 using namespace ::com::sun::star::uno;
  45
  46 bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent )
  47 {
  48     return SvxDrawingLayerExport( pModel, xOut, xComponent, "com.sun.star.comp.DrawingLayer.XMLExporter" );
  49 }
  50
  51 bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut, const Reference< lang::XComponent >& xComponent, const char* pExportService )
  52 {
  53     bool bDocRet = xOut.is();
  54
  55     Reference< document::XGraphicObjectResolver > xGraphicResolver;
  56     SvXMLGraphicHelper *pGraphicHelper = 0;
  57
  58     Reference< document::XEmbeddedObjectResolver > xObjectResolver;
  59     SvXMLEmbeddedObjectHelper *pObjectHelper = 0;
  60
  61     Reference< lang::XComponent > xSourceDoc( xComponent );
  62     try
  63     {
  64         if( !xSourceDoc.is() )
  65         {
  66             xSourceDoc = new SvxUnoDrawingModel( pModel );
  67             pModel->setUnoModel( Reference< XInterface >::query( xSourceDoc ) );
  68         }
  69
  70         uno::Reference< uno::XComponentContext> xContext( ::comphelper::getProcessComponentContext() );
  71
  72         if( bDocRet )
  73         {
  74             uno::Reference< xml::sax::XWriter > xWriter = xml::sax::Writer::create( xContext );
  75
  76             ::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
  77             if( pPersist )
  78             {
  79                 pObjectHelper = SvXMLEmbeddedObjectHelper::Create( *pPersist, EMBEDDEDOBJECTHELPER_MODE_WRITE );
  80                 xObjectResolver = pObjectHelper;
  81             }
  82
  83             pGraphicHelper = SvXMLGraphicHelper::Create( GRAPHICHELPER_MODE_WRITE );
  84             xGraphicResolver = pGraphicHelper;
  85
  86             if( bDocRet )
  87             {
  88                 uno::Reference<xml::sax::XDocumentHandler>  xHandler( xWriter, uno::UNO_QUERY );
  89
  90                 // doc export
  91                 uno::Reference< io::XActiveDataSource > xDocSrc( xWriter, uno::UNO_QUERY );
  92                 xDocSrc->setOutputStream( xOut );
  93
  94                 uno::Sequence< uno::Any > aArgs( xObjectResolver.is() ? 3 : 2 );
  95                 aArgs[0] <<= xHandler;
  96                 aArgs[1] <<= xGraphicResolver;
  97                 if( xObjectResolver.is() )
  98                     aArgs[2] <<= xObjectResolver;
  99
 100                 uno::Reference< document::XFilter > xFilter( xContext->getServiceManager()->createInstanceWithArgumentsAndContext( OUString::createFromAscii( pExportService ), aArgs, xContext ), uno::UNO_QUERY );
 101                 if( !xFilter.is() )
 102                 {
 103                     OSL_FAIL( "com.sun.star.comp.Draw.XMLExporter service missing" );
 104                     bDocRet = false;
 105                 }
 106
 107                 if( bDocRet )
 108                 {
 109                     uno::Reference< document::XExporter > xExporter( xFilter, uno::UNO_QUERY );
 110                     if( xExporter.is() )
 111                     {
 112                         xExporter->setSourceDocument( xSourceDoc );
 113
 114                         uno::Sequence< beans::PropertyValue > aDescriptor( 0 );
 115                         bDocRet = xFilter->filter( aDescriptor );
 116                     }
 117                 }
 118             }
 119         }
 120     }
 121     catch(uno::Exception const&)
 122     {
 123         DBG_UNHANDLED_EXCEPTION();
 124         bDocRet = false;
 125     }
 126
 127     if( pGraphicHelper )
 128         SvXMLGraphicHelper::Destroy( pGraphicHelper );
 129     xGraphicResolver = 0;
 130
 131     if( pObjectHelper )
 132         SvXMLEmbeddedObjectHelper::Destroy( pObjectHelper );
 133     xObjectResolver = 0;
 134
 135     return bDocRet;
 136 }
 137
 138 bool SvxDrawingLayerExport( SdrModel* pModel, const uno::Reference<io::XOutputStream>& xOut )
 139 {
 140     Reference< lang::XComponent > xComponent;
 141     return SvxDrawingLayerExport( pModel, xOut, xComponent );
 142 }
 143
 144 //-
 145
 146 bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent )
 147 {
 148     return SvxDrawingLayerImport( pModel, xInputStream, xComponent, "com.sun.star.comp.Draw.XMLOasisImporter" );
 149 }
 150
 151 bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream, const Reference< lang::XComponent >& xComponent, const char* pImportService  )
 152 {
 153     sal_uInt32  nRet = 0;
 154
 155     Reference< document::XGraphicObjectResolver > xGraphicResolver;
 156     SvXMLGraphicHelper *pGraphicHelper = 0;
 157
 158     Reference< document::XEmbeddedObjectResolver > xObjectResolver;
 159     SvXMLEmbeddedObjectHelper *pObjectHelper = 0;
 160
 161     Reference< lang::XComponent > xTargetDocument( xComponent );
 162     if( !xTargetDocument.is() )
 163     {
 164         xTargetDocument = new SvxUnoDrawingModel( pModel );
 165         pModel->setUnoModel( Reference< XInterface >::query( xTargetDocument ) );
 166     }
 167
 168     Reference< frame::XModel > xTargetModel( xTargetDocument, UNO_QUERY );
 169
 170     try
 171     {
 172         // Get service factory
 173         Reference< uno::XComponentContext > xContext = comphelper::getProcessComponentContext();
 174
 175         if ( xTargetModel.is() )
 176             xTargetModel->lockControllers();
 177
 178
 179
 180         pGraphicHelper = SvXMLGraphicHelper::Create( GRAPHICHELPER_MODE_READ );
 181         xGraphicResolver = pGraphicHelper;
 182
 183         ::comphelper::IEmbeddedHelper *pPersist = pModel->GetPersist();
 184         if( pPersist )
 185         {
 186             pObjectHelper = SvXMLEmbeddedObjectHelper::Create(
 187                                         *pPersist,
 188                                         EMBEDDEDOBJECTHELPER_MODE_READ );
 189             xObjectResolver = pObjectHelper;
 190         }
 191
 192
 193
 194         if( 0 == nRet )
 195         {
 196
 197             // parse
 198             // prepare ParserInputSrouce
 199             xml::sax::InputSource aParserInput;
 200             aParserInput.aInputStream = xInputStream;
 201
 202             // get parser
 203             Reference< xml::sax::XParser > xParser = xml::sax::Parser::create( xContext );
 204
 205             // prepare filter arguments
 206             Sequence<Any> aFilterArgs( 2 );
 207             Any *pArgs = aFilterArgs.getArray();
 208             *pArgs++ <<= xGraphicResolver;
 209             *pArgs++ <<= xObjectResolver;
 210
 211             // get filter
 212             Reference< xml::sax::XDocumentHandler > xFilter( xContext->getServiceManager()->createInstanceWithArgumentsAndContext( OUString::createFromAscii( pImportService ), aFilterArgs, xContext), UNO_QUERY );
 213             DBG_ASSERT( xFilter.is(), "Can't instantiate filter component." );
 214
 215             nRet = 1;
 216             if( xParser.is() && xFilter.is() )
 217             {
 218                 // connect parser and filter
 219                 xParser->setDocumentHandler( xFilter );
 220
 221                 // connect model and filter
 222                 uno::Reference < document::XImporter > xImporter( xFilter, UNO_QUERY );
 223                 xImporter->setTargetDocument( xTargetDocument );
 224
 225                 // finally, parser the stream
 226                 xParser->parseStream( aParserInput );
 227
 228                 nRet = 0;
 229             }
 230         }
 231     }
 232     catch( uno::Exception& )
 233     {
 234         DBG_UNHANDLED_EXCEPTION();
 235     }
 236
 237     if( pGraphicHelper )
 238         SvXMLGraphicHelper::Destroy( pGraphicHelper );
 239     xGraphicResolver = 0;
 240
 241     if( pObjectHelper )
 242         SvXMLEmbeddedObjectHelper::Destroy( pObjectHelper );
 243     xObjectResolver = 0;
 244
 245     if ( xTargetModel.is() )
 246         xTargetModel->unlockControllers();
 247
 248     return nRet == 0;
 249 }
 250
 251 bool SvxDrawingLayerImport( SdrModel* pModel, const uno::Reference<io::XInputStream>& xInputStream )
 252 {
 253     Reference< lang::XComponent > xComponent;
 254     return SvxDrawingLayerImport( pModel, xInputStream, xComponent );
 255 }
 256
 257 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */