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