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If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_comphelper.hxx" #include #include #include #include #include #include #include using namespace ::com::sun::star; namespace comphelper { // ======================================================================== class OTransactionHelper : public ::cppu::WeakImplHelper1 < embed::XTransactedObject > { OTruncatedTransactedFileStream* m_pFileStream; uno::Reference< io::XStream > m_xStreamHolder; public: OTransactionHelper( OTruncatedTransactedFileStream* pStream ) : m_pFileStream( pStream ) { m_xStreamHolder = static_cast< io::XStream* >( pStream ); if ( !m_xStreamHolder.is() ) throw uno::RuntimeException(); } virtual void SAL_CALL commit( ) throw (io::IOException, lang::WrappedTargetException, uno::RuntimeException); virtual void SAL_CALL revert( ) throw (io::IOException, lang::WrappedTargetException, uno::RuntimeException); }; // ------------------------------------------------------------------------ void SAL_CALL OTransactionHelper::commit( ) throw (io::IOException, lang::WrappedTargetException, uno::RuntimeException) { m_pFileStream->Commit_Impl(); } // ------------------------------------------------------------------------ void SAL_CALL OTransactionHelper::revert( ) throw (io::IOException, lang::WrappedTargetException, uno::RuntimeException) { m_pFileStream->Revert_Impl(); } // ======================================================================== struct TTFileStreamData_Impl { uno::Reference< ucb::XSimpleFileAccess > m_xFileAccess; sal_Bool m_bDelete; ::rtl::OUString m_aURL; // the streams below are not visible from outside so there is no need to remember position // original stream related members uno::Reference< io::XStream > m_xOrigStream; uno::Reference< io::XTruncate > m_xOrigTruncate; uno::Reference< io::XSeekable > m_xOrigSeekable; uno::Reference< io::XInputStream > m_xOrigInStream; uno::Reference< io::XOutputStream > m_xOrigOutStream; // temporary stream related members uno::Reference< io::XStream > m_xTempStream; uno::Reference< io::XTruncate > m_xTempTruncate; uno::Reference< io::XSeekable > m_xTempSeekable; uno::Reference< io::XInputStream > m_xTempInStream; uno::Reference< io::XOutputStream > m_xTempOutStream; sal_Bool m_bInOpen; sal_Bool m_bOutOpen; sal_Bool m_bTransacted; TTFileStreamData_Impl( const uno::Reference< ucb::XSimpleFileAccess >& xFileAccess, sal_Bool bDelete, const ::rtl::OUString& aURL, const uno::Reference< io::XStream >& xOrigStream, const uno::Reference< io::XTruncate >& xOrigTruncate, const uno::Reference< io::XSeekable >& xOrigSeekable, const uno::Reference< io::XInputStream >& xOrigInStream, const uno::Reference< io::XOutputStream >& xOrigOutStream, const uno::Reference< io::XStream >& xTempStream, const uno::Reference< io::XTruncate >& xTempTruncate, const uno::Reference< io::XSeekable >& xTempSeekable, const uno::Reference< io::XInputStream >& xTempInStream, const uno::Reference< io::XOutputStream >& xTempOutStream ) : m_xFileAccess( xFileAccess ) , m_bDelete( bDelete ) , m_aURL( aURL ) , m_xOrigStream( xOrigStream ) , m_xOrigTruncate( xOrigTruncate ) , m_xOrigSeekable( xOrigSeekable ) , m_xOrigInStream( xOrigInStream ) , m_xOrigOutStream( xOrigOutStream ) , m_xTempStream( xTempStream ) , m_xTempTruncate( xTempTruncate ) , m_xTempSeekable( xTempSeekable ) , m_xTempInStream( xTempInStream ) , m_xTempOutStream( xTempOutStream ) , m_bInOpen( sal_False ) , m_bOutOpen( sal_False ) , m_bTransacted( sal_True ) {} void NoTransaction() { m_bDelete = sal_False; m_bTransacted = sal_False; m_xTempStream = uno::Reference< io::XStream >(); m_xTempTruncate = uno::Reference< io::XTruncate >(); m_xTempSeekable = uno::Reference< io::XSeekable >(); m_xTempInStream = uno::Reference< io::XInputStream >(); m_xTempOutStream = uno::Reference< io::XOutputStream >(); } void FreeOriginal() { m_bDelete = sal_False; m_bTransacted = sal_False; m_xOrigStream = m_xTempStream; m_xTempStream = uno::Reference< io::XStream >(); m_xOrigTruncate = m_xTempTruncate; m_xTempTruncate = uno::Reference< io::XTruncate >(); m_xOrigSeekable = m_xTempSeekable; m_xTempSeekable = uno::Reference< io::XSeekable >(); m_xOrigInStream = m_xTempInStream; m_xTempInStream = uno::Reference< io::XInputStream >(); m_xOrigOutStream = m_xTempOutStream; m_xTempOutStream = uno::Reference< io::XOutputStream >(); } }; // ======================================================================== // ------------------------------------------------------------------------ OTruncatedTransactedFileStream::OTruncatedTransactedFileStream( const ::rtl::OUString& aURL, const uno::Reference< lang::XMultiServiceFactory >& xFactory ) : m_pStreamData( NULL ) { uno::Reference< ucb::XSimpleFileAccess > xSimpleFileAccess( xFactory->createInstance( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.ucb.SimpleFileAccess" ) ) ), uno::UNO_QUERY_THROW ); CommonInit_Impl( aURL, xSimpleFileAccess, xFactory, sal_False ); } // ------------------------------------------------------------------------ OTruncatedTransactedFileStream::OTruncatedTransactedFileStream( const ::rtl::OUString& aURL, const uno::Reference< ucb::XSimpleFileAccess >& xFileAccess, const uno::Reference< lang::XMultiServiceFactory >& xFactory ) : m_pStreamData( NULL ) { CommonInit_Impl( aURL, xFileAccess, xFactory, sal_False ); } // ------------------------------------------------------------------------ OTruncatedTransactedFileStream::OTruncatedTransactedFileStream( const ::rtl::OUString& aURL, const uno::Reference< ucb::XSimpleFileAccess >& xFileAccess, const uno::Reference< lang::XMultiServiceFactory >& xFactory, sal_Bool bDeleteIfNotCommited ) : m_pStreamData( NULL ) { CommonInit_Impl( aURL, xFileAccess, xFactory, sal_True ); if ( m_pStreamData ) m_pStreamData->m_bDelete = bDeleteIfNotCommited; } // ------------------------------------------------------------------------ OTruncatedTransactedFileStream::~OTruncatedTransactedFileStream() { CloseAll_Impl(); } // ------------------------------------------------------------------------ void OTruncatedTransactedFileStream::CloseAll_Impl() { ::osl::MutexGuard aGuard( m_aMutex ); if ( m_pStreamData ) { sal_Bool bDelete = m_pStreamData->m_bDelete; ::rtl::OUString aURL = m_pStreamData->m_aURL; uno::Reference< ucb::XSimpleFileAccess > xFileAccess = m_pStreamData->m_xFileAccess; delete m_pStreamData; m_pStreamData = NULL; if ( bDelete && xFileAccess.is() && aURL.getLength() ) { // delete the file try { xFileAccess->kill( aURL ); } catch( uno::Exception& ) { OSL_ENSURE( sal_False, "Could not remove the file!" ); } } } } // ------------------------------------------------------------------------ void OTruncatedTransactedFileStream::CommonInit_Impl( const ::rtl::OUString& aURL, const uno::Reference< ucb::XSimpleFileAccess >& xFileAccess, const uno::Reference< lang::XMultiServiceFactory >& xFactory, sal_Bool bDeleteOptionIsProvided ) { sal_Bool bDelete = sal_False; if ( !bDeleteOptionIsProvided ) bDelete = !xFileAccess->exists( aURL ); uno::Reference< io::XStream > xOrigStream = xFileAccess->openFileReadWrite( aURL ); uno::Reference< io::XTruncate > xOrigTruncate( xOrigStream, uno::UNO_QUERY_THROW ); uno::Reference< io::XSeekable > xOrigSeekable( xOrigStream, uno::UNO_QUERY_THROW ); uno::Reference< io::XInputStream > xOrigInStream = xOrigStream->getInputStream(); uno::Reference< io::XOutputStream > xOrigOutStream = xOrigStream->getOutputStream(); if ( !xOrigInStream.is() || !xOrigOutStream.is() ) throw uno::RuntimeException(); // temporary stream related members uno::Reference< io::XStream > xTempStream( xFactory->createInstance( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.TempFile" ) ) ), uno::UNO_QUERY_THROW ); uno::Reference< io::XTruncate > xTempTruncate( xTempStream, uno::UNO_QUERY_THROW ); uno::Reference< io::XSeekable > xTempSeekable( xTempStream, uno::UNO_QUERY_THROW ); uno::Reference< io::XInputStream > xTempInStream = xTempStream->getInputStream(); uno::Reference< io::XOutputStream > xTempOutStream = xTempStream->getOutputStream(); if ( !xTempInStream.is() || !xTempOutStream.is() ) throw uno::RuntimeException(); m_pStreamData = new TTFileStreamData_Impl( xFileAccess, bDelete, aURL, xOrigStream, xOrigTruncate, xOrigSeekable, xOrigInStream, xOrigOutStream, xTempStream, xTempTruncate, xTempSeekable, xTempInStream, xTempOutStream ); } // ------------------------------------------------------------------------ void OTruncatedTransactedFileStream::Commit_Impl() { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { sal_Int64 nPos = m_pStreamData->m_xTempSeekable->getPosition(); m_pStreamData->m_xTempSeekable->seek( 0 ); // after the following step fails the information might be lost, throw an exception with URL of temporary file try { m_pStreamData->m_xOrigTruncate->truncate(); OStorageHelper::CopyInputToOutput( m_pStreamData->m_xTempInStream, m_pStreamData->m_xOrigOutStream ); m_pStreamData->m_xOrigOutStream->flush(); // in case the stream is based on a file it will implement the following interface // the call should be used to be sure that the contents are written to the file system uno::Reference< io::XAsyncOutputMonitor > asyncOutputMonitor( m_pStreamData->m_xOrigOutStream, uno::UNO_QUERY ); if ( asyncOutputMonitor.is() ) asyncOutputMonitor->waitForCompletion(); } catch( uno::Exception& ) { ::rtl::OUString aTempURL; try { uno::Reference< beans::XPropertySet > xTempFile( m_pStreamData->m_xTempStream, uno::UNO_QUERY_THROW ); uno::Any aUrl = xTempFile->getPropertyValue( ::rtl::OUString::createFromAscii( "Uri" ) ); aUrl >>= aTempURL; xTempFile->setPropertyValue( ::rtl::OUString::createFromAscii( "RemoveFile" ), uno::makeAny( sal_False ) ); m_pStreamData->m_xTempSeekable->seek( nPos ); } catch( uno::Exception& ) { OSL_ENSURE( sal_False, "These calls are pretty simple, they should not fail!\n" ); } m_pStreamData->FreeOriginal(); ::rtl::OUString aErrTxt( RTL_CONSTASCII_USTRINGPARAM ( "Writing file failed!" ) ); embed::UseBackupException aException( aErrTxt, uno::Reference< uno::XInterface >(), aTempURL ); throw lang::WrappedTargetException( aErrTxt, static_cast < OWeakObject * > ( this ), uno::makeAny ( aException ) ); } m_pStreamData->m_xOrigSeekable->seek( nPos ); m_pStreamData->NoTransaction(); } else throw io::NotConnectedException(); } // ------------------------------------------------------------------------ void OTruncatedTransactedFileStream::Revert_Impl() { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) m_pStreamData->m_xTempTruncate->truncate(); else throw io::NotConnectedException(); } // com::sun::star::io::XStream // ------------------------------------------------------------------------ uno::Reference< io::XInputStream > SAL_CALL OTruncatedTransactedFileStream::getInputStream( ) throw (uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( m_pStreamData ) m_pStreamData->m_bInOpen = sal_True; return static_cast< io::XInputStream* >( this ); } // ------------------------------------------------------------------------ uno::Reference< io::XOutputStream > SAL_CALL OTruncatedTransactedFileStream::getOutputStream( ) throw (uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( m_pStreamData ) m_pStreamData->m_bOutOpen = sal_True; return static_cast< io::XOutputStream* >( this ); } // com::sun::star::io::XInputStream // ------------------------------------------------------------------------ ::sal_Int32 SAL_CALL OTruncatedTransactedFileStream::readBytes( uno::Sequence< ::sal_Int8 >& aData, ::sal_Int32 nBytesToRead ) throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempInStream.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xTempInStream->readBytes( aData, nBytesToRead ); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigInStream.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xOrigInStream->readBytes( aData, nBytesToRead ); } } // ------------------------------------------------------------------------ ::sal_Int32 SAL_CALL OTruncatedTransactedFileStream::readSomeBytes( uno::Sequence< ::sal_Int8 >& aData, ::sal_Int32 nMaxBytesToRead ) throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempInStream.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xTempInStream->readSomeBytes( aData, nMaxBytesToRead ); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigInStream.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xOrigInStream->readSomeBytes( aData, nMaxBytesToRead ); } } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::skipBytes( ::sal_Int32 nBytesToSkip ) throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempInStream.is() ) throw uno::RuntimeException(); m_pStreamData->m_xTempInStream->skipBytes( nBytesToSkip ); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigInStream.is() ) throw uno::RuntimeException(); m_pStreamData->m_xOrigInStream->skipBytes( nBytesToSkip ); } } // ------------------------------------------------------------------------ ::sal_Int32 SAL_CALL OTruncatedTransactedFileStream::available( ) throw (io::NotConnectedException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempInStream.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xTempInStream->available(); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigInStream.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xOrigInStream->available(); } } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::closeInput() throw (io::NotConnectedException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); m_pStreamData->m_bInOpen = sal_False; if ( !m_pStreamData->m_bOutOpen ) CloseAll_Impl(); } // com::sun::star::io::XOutputStream // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::writeBytes( const uno::Sequence< ::sal_Int8 >& aData ) throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempOutStream.is() ) throw uno::RuntimeException(); m_pStreamData->m_xTempOutStream->writeBytes( aData ); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigOutStream.is() ) throw uno::RuntimeException(); m_pStreamData->m_xOrigOutStream->writeBytes( aData ); } } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::flush( ) throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) { OSL_ENSURE( sal_False, "flush() call on closed stream!\n" ); return; // in future throw exception, for now some code might call flush() on closed stream // since file ucp implementation allows it // throw io::NotConnectedException(); } if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempOutStream.is() ) throw uno::RuntimeException(); m_pStreamData->m_xTempOutStream->flush(); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigOutStream.is() ) throw uno::RuntimeException(); m_pStreamData->m_xOrigOutStream->flush(); } } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::closeOutput( ) throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); m_pStreamData->m_bOutOpen = sal_False; if ( !m_pStreamData->m_bInOpen ) CloseAll_Impl(); } // com::sun::star::io::XTruncate // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::truncate( ) throw (io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempTruncate.is() ) throw uno::RuntimeException(); m_pStreamData->m_xTempTruncate->truncate(); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigTruncate.is() ) throw uno::RuntimeException(); m_pStreamData->m_xOrigTruncate->truncate(); } } // com::sun::star::io::XSeekable // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::seek( ::sal_Int64 location ) throw (lang::IllegalArgumentException, io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempSeekable.is() ) throw uno::RuntimeException(); m_pStreamData->m_xTempSeekable->seek( location ); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigSeekable.is() ) throw uno::RuntimeException(); m_pStreamData->m_xOrigSeekable->seek( location ); } } // ------------------------------------------------------------------------ ::sal_Int64 SAL_CALL OTruncatedTransactedFileStream::getPosition( ) throw (io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempSeekable.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xTempSeekable->getPosition(); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigSeekable.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xOrigSeekable->getPosition(); } } // ------------------------------------------------------------------------ ::sal_Int64 SAL_CALL OTruncatedTransactedFileStream::getLength( ) throw (io::IOException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); if ( m_pStreamData->m_bTransacted ) { // temporary stream data should be provided if ( !m_pStreamData->m_xTempSeekable.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xTempSeekable->getLength(); } else { // the original stream data should be provided if ( !m_pStreamData->m_xOrigSeekable.is() ) throw uno::RuntimeException(); return m_pStreamData->m_xOrigSeekable->getLength(); } } // com::sun::star::beans::XPropertySetInfo // ------------------------------------------------------------------------ uno::Sequence< beans::Property > SAL_CALL OTruncatedTransactedFileStream::getProperties() throw (uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); uno::Sequence< beans::Property > aProps( 1 ); aProps[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "TransactionSupport" ) ); aProps[0].Type = getCppuType( static_cast< uno::Reference< beans::XPropertySet >* >( NULL ) ); aProps[0].Attributes = beans::PropertyAttribute::TRANSIENT | beans::PropertyAttribute::READONLY; return aProps; } // ------------------------------------------------------------------------ beans::Property SAL_CALL OTruncatedTransactedFileStream::getPropertyByName( const ::rtl::OUString& aName ) throw (beans::UnknownPropertyException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); ::rtl::OUString aTransactionPropName( RTL_CONSTASCII_USTRINGPARAM( "TransactionSupport" ) ); if ( !aName.equals( aTransactionPropName ) ) throw beans::UnknownPropertyException(); beans::Property aProp; aProp.Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "TransactionSupport" ) ); aProp.Type = getCppuType( static_cast< uno::Reference< beans::XPropertySet >* >( NULL ) ); aProp.Attributes = beans::PropertyAttribute::TRANSIENT | beans::PropertyAttribute::READONLY; return aProp; } // ------------------------------------------------------------------------ ::sal_Bool SAL_CALL OTruncatedTransactedFileStream::hasPropertyByName( const ::rtl::OUString& Name ) throw (uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); ::rtl::OUString aTransactionPropName( RTL_CONSTASCII_USTRINGPARAM( "TransactionSupport" ) ); return ( Name.equals( aTransactionPropName ) ); } // com::sun::star::beans::XPropertySet // ------------------------------------------------------------------------ uno::Reference< beans::XPropertySetInfo > SAL_CALL OTruncatedTransactedFileStream::getPropertySetInfo() throw (uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); return static_cast< beans::XPropertySetInfo* >( this ); } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::setPropertyValue( const ::rtl::OUString& aPropertyName, const uno::Any& ) throw (beans::UnknownPropertyException, beans::PropertyVetoException, lang::IllegalArgumentException, lang::WrappedTargetException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); ::rtl::OUString aTransactionPropName( RTL_CONSTASCII_USTRINGPARAM( "TransactionSupport" ) ); if ( aPropertyName.equals( aTransactionPropName ) ) throw beans::PropertyVetoException(); throw beans::UnknownPropertyException(); } // ------------------------------------------------------------------------ uno::Any SAL_CALL OTruncatedTransactedFileStream::getPropertyValue( const ::rtl::OUString& PropertyName ) throw (beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException) { ::osl::MutexGuard aGuard( m_aMutex ); if ( !m_pStreamData ) throw io::NotConnectedException(); ::rtl::OUString aTransactionPropName( RTL_CONSTASCII_USTRINGPARAM( "TransactionSupport" ) ); if ( PropertyName.equals( aTransactionPropName ) ) { uno::Reference< embed::XTransactedObject > xObj; if ( m_pStreamData->m_bTransacted ) xObj = static_cast< embed::XTransactedObject* >( new OTransactionHelper( this ) ); return uno::makeAny( xObj ); } throw beans::UnknownPropertyException(); } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::addPropertyChangeListener( const ::rtl::OUString&, const uno::Reference< beans::XPropertyChangeListener >& ) throw (beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException) { // not implemented } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::removePropertyChangeListener( const ::rtl::OUString&, const uno::Reference< beans::XPropertyChangeListener >& ) throw (beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException) { // not implemented } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::addVetoableChangeListener( const ::rtl::OUString&, const uno::Reference< beans::XVetoableChangeListener >& ) throw (beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException) { // not implemented } // ------------------------------------------------------------------------ void SAL_CALL OTruncatedTransactedFileStream::removeVetoableChangeListener( const ::rtl::OUString&, const uno::Reference< beans::XVetoableChangeListener >& ) throw (beans::UnknownPropertyException, lang::WrappedTargetException, uno::RuntimeException) { // not implemented } } // namespace comphelper