oox/source/docprop/ooxmldocpropimport.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 "ooxmldocpropimport.hxx"
  21 #include <services.hxx>
  22
  23 #include <vector>
  24 #include <com/sun/star/embed/ElementModes.hpp>
  25 #include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
  26 #include <com/sun/star/embed/XRelationshipAccess.hpp>
  27 #include <com/sun/star/embed/XStorage.hpp>
  28 #include <oox/core/fastparser.hxx>
  29 #include <oox/core/relations.hxx>
  30 #include <oox/helper/containerhelper.hxx>
  31 #include <oox/helper/helper.hxx>
  32 #include "docprophandler.hxx"
  33
  34 #include <cppuhelper/supportsservice.hxx>
  35
  36 namespace oox {
  37 namespace docprop {
  38
  39 using namespace ::com::sun::star::beans;
  40 using namespace ::com::sun::star::document;
  41 using namespace ::com::sun::star::embed;
  42 using namespace ::com::sun::star::io;
  43 using namespace ::com::sun::star::lang;
  44 using namespace ::com::sun::star::uno;
  45 using namespace ::com::sun::star::xml::sax;
  46
  47 OUString DocumentPropertiesImport_getImplementationName()
  48 {
  49     return OUString( "com.sun.star.comp.oox.docprop.DocumentPropertiesImporter" );
  50 }
  51
  52 Sequence< OUString > DocumentPropertiesImport_getSupportedServiceNames()
  53 {
  54     Sequence<OUString> aServices { "com.sun.star.document.OOXMLDocumentPropertiesImporter" };
  55     return aServices;
  56 }
  57
  58 Reference< XInterface > DocumentPropertiesImport_createInstance( const Reference< XComponentContext >& rxContext )
  59 {
  60     return static_cast< ::cppu::OWeakObject* >( new DocumentPropertiesImport( rxContext ) );
  61 }
  62
  63 namespace {
  64
  65 /// @throws RuntimeException
  66 /// @throws css::io::IOException
  67 Sequence< InputSource > lclGetRelatedStreams( const Reference< XStorage >& rxStorage, const OUString& rStreamType )
  68 {
  69     Reference< XRelationshipAccess > xRelation( rxStorage, UNO_QUERY_THROW );
  70     Reference< XHierarchicalStorageAccess > xHierarchy( rxStorage, UNO_QUERY_THROW );
  71
  72     Sequence< Sequence< StringPair > > aPropsInfo = xRelation->getRelationshipsByType( rStreamType );
  73
  74     ::std::vector< InputSource > aResult;
  75
  76     for( sal_Int32 nIndex = 0, nLength = aPropsInfo.getLength(); nIndex < nLength; ++nIndex )
  77     {
  78         const Sequence< StringPair >& rEntries = aPropsInfo[ nIndex ];
  79         for( sal_Int32 nEntryIndex = 0, nEntryLength = rEntries.getLength(); nEntryIndex < nEntryLength; ++nEntryIndex )
  80         {
  81             const StringPair& rEntry = rEntries[ nEntryIndex ];
  82             if ( rEntry.First == "Target" )
  83             {
  84                 // The stream path is always a relative one, ignore the leading "/" if it's there.
  85                 OUString aStreamPath = rEntry.Second;
  86                 if (aStreamPath.startsWith("/"))
  87                     aStreamPath = aStreamPath.copy(1);
  88
  89                 Reference< XExtendedStorageStream > xExtStream(
  90                     xHierarchy->openStreamElementByHierarchicalName( aStreamPath, ElementModes::READ ), UNO_QUERY_THROW );
  91                 Reference< XInputStream > xInStream = xExtStream->getInputStream();
  92                 if( xInStream.is() )
  93                 {
  94                     aResult.emplace_back();
  95                     aResult.back().sSystemId = rEntry.Second;
  96                     aResult.back().aInputStream = xExtStream->getInputStream();
  97                 }
  98                 break;
  99             }
 100         }
 101     }
 102
 103     return ContainerHelper::vectorToSequence( aResult );
 104 }
 105
 106 } // namespace
 107
 108 DocumentPropertiesImport::DocumentPropertiesImport( const Reference< XComponentContext >& rxContext ) :
 109     mxContext( rxContext )
 110 {
 111 }
 112
 113 // XServiceInfo
 114 OUString SAL_CALL DocumentPropertiesImport::getImplementationName()
 115 {
 116     return DocumentPropertiesImport_getImplementationName();
 117 }
 118
 119 sal_Bool SAL_CALL DocumentPropertiesImport::supportsService( const OUString& rServiceName )
 120 {
 121     return cppu::supportsService(this, rServiceName);
 122 }
 123
 124 Sequence< OUString > SAL_CALL DocumentPropertiesImport::getSupportedServiceNames()
 125 {
 126     return DocumentPropertiesImport_getSupportedServiceNames();
 127 }
 128
 129 // XOOXMLDocumentPropertiesImporter
 130 void SAL_CALL DocumentPropertiesImport::importProperties(
 131         const Reference< XStorage >& rxSource, const Reference< XDocumentProperties >& rxDocumentProperties )
 132 {
 133     if( !mxContext.is() )
 134         throw RuntimeException();
 135
 136     if( !rxSource.is() || !rxDocumentProperties.is() )
 137         throw IllegalArgumentException();
 138
 139     Sequence< InputSource > aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "metadata/core-properties" ) );
 140     // OOXML strict
 141     if( !aCoreStreams.hasElements() )
 142         aCoreStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "metadata/core-properties" ) );
 143     // MS Office seems to have a bug, so we have to do similar handling
 144     if( !aCoreStreams.hasElements() )
 145         aCoreStreams = lclGetRelatedStreams( rxSource, "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" );
 146
 147     Sequence< InputSource > aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "extended-properties" ) );
 148     // OOXML strict
 149     if( !aExtStreams.hasElements() )
 150         aExtStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "extended-properties" ) );
 151     Sequence< InputSource > aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE( "custom-properties" ) );
 152     // OOXML strict
 153     if( !aCustomStreams.hasElements() )
 154         aCustomStreams = lclGetRelatedStreams( rxSource, CREATE_OFFICEDOC_RELATION_TYPE_STRICT( "custom-properties" ) );
 155
 156     if( aCoreStreams.hasElements() || aExtStreams.hasElements() || aCustomStreams.hasElements() )
 157     {
 158         if( aCoreStreams.getLength() > 1 )
 159             throw IOException( "Unexpected core properties stream!" );
 160
 161         ::oox::core::FastParser aParser;
 162         aParser.registerNamespace( NMSP_packageMetaCorePr );
 163         aParser.registerNamespace( NMSP_dc );
 164         aParser.registerNamespace( NMSP_dcTerms );
 165         aParser.registerNamespace( NMSP_officeExtPr );
 166         aParser.registerNamespace( NMSP_officeCustomPr );
 167         aParser.registerNamespace( NMSP_officeDocPropsVT );
 168         aParser.setDocumentHandler( new OOXMLDocPropHandler( mxContext, rxDocumentProperties ) );
 169
 170         if( aCoreStreams.hasElements() )
 171             aParser.parseStream( aCoreStreams[ 0 ], true );
 172         for( sal_Int32 nIndex = 0; nIndex < aExtStreams.getLength(); ++nIndex )
 173             aParser.parseStream( aExtStreams[ nIndex ], true );
 174         for( sal_Int32 nIndex = 0; nIndex < aCustomStreams.getLength(); ++nIndex )
 175             aParser.parseStream( aCustomStreams[ nIndex ], true );
 176     }
 177 }
 178
 179 } // namespace docprop
 180 } // namespace oox
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */