oox/source/docprop/ooxmldocpropimport.cxx

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  30
  31 #include <com/sun/star/embed/XStorage.hpp>
  32 #include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
  33 #include <com/sun/star/embed/XRelationshipAccess.hpp>
  34 #include <com/sun/star/embed/ElementModes.hpp>
  35 #include <com/sun/star/xml/sax/XFastParser.hpp>
  36 #include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
  37 #include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
  38
  39 #include <cppuhelper/factory.hxx>
  40 #include <cppuhelper/implementationentry.hxx>
  41
  42 #include <oox/core/namespaces.hxx>
  43 #include "docprophandler.hxx"
  44 #include "ooxmldocpropimport.hxx"
  45
  46 using namespace ::com::sun::star;
  47
  48 namespace oox {
  49 namespace docprop {
  50
  51 // -----------------------------------------------------------
  52 ::rtl::OUString SAL_CALL OOXMLDocPropImportImpl_getImplementationName()
  53 {
  54     return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
  55         "com.sun.star.comp.oox.docprop.OOXMLDocumentPropertiesImporter"));
  56 }
  57
  58 // -----------------------------------------------------------
  59 uno::Sequence< ::rtl::OUString > SAL_CALL OOXMLDocPropImportImpl_getSupportedServiceNames()
  60 {
  61     uno::Sequence< ::rtl::OUString > s(1);
  62     s[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
  63         "com.sun.star.document.OOXMLDocumentPropertiesImporter"));
  64     return s;
  65 }
  66
  67 // -----------------------------------------------------------
  68 uno::Reference< uno::XInterface > SAL_CALL OOXMLDocPropImportImpl_createInstance(
  69     const uno::Reference< uno::XComponentContext > & context)
  70         SAL_THROW((uno::Exception))
  71 {
  72     return static_cast< ::cppu::OWeakObject * >(new OOXMLDocPropImportImpl(context));
  73 }
  74
  75
  76 // -----------------------------------------------------------
  77 OOXMLDocPropImportImpl::OOXMLDocPropImportImpl(uno::Reference< uno::XComponentContext > const & xContext) :
  78     m_xContext( xContext )
  79 {}
  80
  81 // -----------------------------------------------------------
  82 uno::Sequence< xml::sax::InputSource > OOXMLDocPropImportImpl::GetRelatedStreams( const uno::Reference< embed::XStorage > xStorage, const ::rtl::OUString& aStreamType )
  83 {
  84     if ( !xStorage.is() )
  85         throw uno::RuntimeException();
  86
  87     uno::Reference< embed::XRelationshipAccess > xRelation( xStorage, uno::UNO_QUERY_THROW );
  88     uno::Reference< embed::XHierarchicalStorageAccess > xHierarchy( xStorage, uno::UNO_QUERY_THROW );
  89
  90     uno::Sequence< uno::Sequence< beans::StringPair > > aPropsInfo = xRelation->getRelationshipsByType( aStreamType );
  91
  92     sal_Int32 nLength = 0;
  93     uno::Sequence< xml::sax::InputSource > aResult( aPropsInfo.getLength() );
  94     if ( aPropsInfo.getLength() )
  95     {
  96         for ( sal_Int32 nInd = 0; nInd < aPropsInfo.getLength(); nInd++ )
  97             for ( sal_Int32 nEntryInd = 0; nEntryInd < aPropsInfo[nInd].getLength(); nEntryInd++ )
  98                 if ( aPropsInfo[nInd][nEntryInd].First.equals( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Target" ) ) ) )
  99                 {
 100                     uno::Reference< embed::XExtendedStorageStream > xExtStream = xHierarchy->openStreamElementByHierarchicalName( aPropsInfo[nInd][nEntryInd].Second, embed::ElementModes::READ );
 101                     if ( !xExtStream.is() )
 102                         throw uno::RuntimeException();
 103
 104                     aResult[nLength].sSystemId = aPropsInfo[nInd][nEntryInd].Second;
 105                     aResult[nLength++].aInputStream = xExtStream->getInputStream();
 106                     break;
 107                 }
 108
 109         aResult.realloc( nLength );
 110     }
 111
 112     return aResult;
 113 }
 114
 115 // com.sun.star.uno.XServiceInfo:
 116 // -----------------------------------------------------------
 117 ::rtl::OUString SAL_CALL OOXMLDocPropImportImpl::getImplementationName() throw (uno::RuntimeException)
 118 {
 119     return OOXMLDocPropImportImpl_getImplementationName();
 120 }
 121
 122 // -----------------------------------------------------------
 123 ::sal_Bool SAL_CALL OOXMLDocPropImportImpl::supportsService(::rtl::OUString const & serviceName) throw (uno::RuntimeException)
 124 {
 125     uno::Sequence< ::rtl::OUString > serviceNames = OOXMLDocPropImportImpl_getSupportedServiceNames();
 126     for (::sal_Int32 i = 0; i < serviceNames.getLength(); ++i)
 127     {
 128         if (serviceNames[i] == serviceName)
 129             return sal_True;
 130     }
 131
 132     return sal_False;
 133 }
 134
 135 // -----------------------------------------------------------
 136 uno::Sequence< ::rtl::OUString > SAL_CALL OOXMLDocPropImportImpl::getSupportedServiceNames() throw (uno::RuntimeException)
 137 {
 138     return OOXMLDocPropImportImpl_getSupportedServiceNames();
 139 }
 140
 141 // -----------------------------------------------------------
 142 // ::com::sun::star::document::XOOXMLDocumentPropertiesImporter:
 143 void SAL_CALL OOXMLDocPropImportImpl::importProperties(const uno::Reference< embed::XStorage > & xSource, const uno::Reference< document::XDocumentProperties > & xDocumentProperties) throw (uno::RuntimeException, lang::IllegalArgumentException, xml::sax::SAXException, uno::Exception)
 144 {
 145     // TODO: Insert your implementation for "importProperties" here.
 146     if ( !m_xContext.is() )
 147         throw uno::RuntimeException();
 148
 149     if ( !xSource.is() || !xDocumentProperties.is() )
 150         throw lang::IllegalArgumentException();
 151
 152     // the MS Office seems to have a bug, so we have to do similar handling
 153     ::rtl::OUString aCoreType( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/officedocument/2006/relationships/metadata/core-properties" ) );
 154     ::rtl::OUString aCoreWorkaroundType( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" ) );
 155
 156     ::rtl::OUString aExtType( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/officedocument/2006/relationships/extended-properties" ) );
 157     ::rtl::OUString aCustomType( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/officedocument/2006/relationships/custom-properties" ) );
 158
 159     uno::Sequence< xml::sax::InputSource > aCoreStreams = GetRelatedStreams( xSource, aCoreType );
 160     if ( !aCoreStreams.getLength() )
 161         aCoreStreams = GetRelatedStreams( xSource, aCoreWorkaroundType );
 162
 163     uno::Sequence< xml::sax::InputSource > aExtStreams = GetRelatedStreams( xSource, aExtType );
 164     uno::Sequence< xml::sax::InputSource > aCustomStreams = GetRelatedStreams( xSource, aCustomType );
 165
 166     if ( aCoreStreams.getLength() || aExtStreams.getLength() || aCustomStreams.getLength() )
 167     {
 168         if ( aCoreStreams.getLength() > 1 )
 169             throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected core properties stream!" ) ), uno::Reference< uno::XInterface >() );
 170
 171         uno::Reference< lang::XMultiComponentFactory > xFactory( m_xContext->getServiceManager(), uno::UNO_QUERY_THROW );
 172
 173         uno::Reference< xml::sax::XFastParser > xParser(
 174             xFactory->createInstanceWithContext(
 175                 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.xml.sax.FastParser" ) ),
 176                 m_xContext ),
 177             uno::UNO_QUERY_THROW );
 178
 179         uno::Reference< xml::sax::XFastTokenHandler > xTokenHandler(
 180             xFactory->createInstanceWithContext(
 181                 ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.oox.FastTokenHandlerService" ) ),
 182                 m_xContext ),
 183             uno::UNO_QUERY_THROW );
 184
 185         uno::Reference< xml::sax::XFastDocumentHandler > xDocHandler( static_cast< xml::sax::XFastDocumentHandler* >( new OOXMLDocPropHandler( m_xContext, xDocumentProperties ) ) );
 186
 187         xParser->setFastDocumentHandler( xDocHandler );
 188         xParser->setTokenHandler( xTokenHandler );
 189
 190         xParser->registerNamespace( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/package/2006/metadata/core-properties" ) ), NMSP_COREPR );
 191         xParser->registerNamespace( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "http://purl.org/dc/elements/1.1/" ) ), NMSP_DC );
 192         xParser->registerNamespace( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "http://purl.org/dc/terms/" ) ), NMSP_DCTERMS );
 193         xParser->registerNamespace( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties" ) ), NMSP_EXTPR );
 194         xParser->registerNamespace( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties" ) ), NMSP_CUSTPR );
 195         xParser->registerNamespace( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes" ) ), NMSP_VT );
 196
 197         // #158414# XFastParser::parseStream() throws on invalid XML
 198         if ( aCoreStreams.getLength() ) try
 199         {
 200             if ( aCoreStreams[0].aInputStream.is() )
 201             {
 202                 xParser->parseStream( aCoreStreams[0] );
 203                 aCoreStreams[0].aInputStream->closeInput();
 204             }
 205         }
 206         catch( uno::Exception& )
 207         {
 208         }
 209
 210         sal_Int32 nInd = 0;
 211         for ( nInd = 0; nInd < aExtStreams.getLength(); nInd++ )
 212         {
 213             xParser->parseStream( aExtStreams[nInd] );
 214             if ( aExtStreams[nInd].aInputStream.is() )
 215                 aExtStreams[nInd].aInputStream->closeInput();
 216         }
 217
 218         for ( nInd = 0; nInd < aCustomStreams.getLength(); nInd++ )
 219         {
 220             xParser->parseStream( aCustomStreams[nInd] );
 221             if ( aCustomStreams[nInd].aInputStream.is() )
 222                 aCustomStreams[nInd].aInputStream->closeInput();
 223         }
 224     }
 225 }
 226
 227 } // namespace docprop
 228 } // namespace oox
 229
 230