diff options
Diffstat (limited to 'sfx2/source/doc/opostponedtruncationstream.cxx')
-rw-r--r-- | sfx2/source/doc/opostponedtruncationstream.cxx | 491 |
1 files changed, 0 insertions, 491 deletions
diff --git a/sfx2/source/doc/opostponedtruncationstream.cxx b/sfx2/source/doc/opostponedtruncationstream.cxx deleted file mode 100644 index 84b1d6a3906a..000000000000 --- a/sfx2/source/doc/opostponedtruncationstream.cxx +++ /dev/null @@ -1,491 +0,0 @@ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_sfx2.hxx" -#include <osl/diagnose.h> - -#include <opostponedtruncationstream.hxx> - -using namespace ::com::sun::star; - -// ======================================================================== -struct PTFStreamData_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; - - sal_Bool m_bInOpen; - sal_Bool m_bOutOpen; - - sal_Bool m_bPostponedTruncate; - - - PTFStreamData_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 ) - : 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_bInOpen( sal_False ) - , m_bOutOpen( sal_False ) - , m_bPostponedTruncate( sal_True ) - {} - - void NoPostponing() - { - m_bDelete = sal_False; - m_bPostponedTruncate = sal_False; - } -}; - -// ======================================================================== -// ------------------------------------------------------------------------ -OPostponedTruncationFileStream::OPostponedTruncationFileStream( - const ::rtl::OUString& aURL, - const uno::Reference< lang::XMultiServiceFactory >& /*xFactory*/, - const uno::Reference< ucb::XSimpleFileAccess >& xFileAccess, - const uno::Reference< io::XStream >& xOrigStream, - sal_Bool bDelete ) -: m_pStreamData( NULL ) -{ - if ( !xFileAccess.is() || !xOrigStream.is() ) - throw uno::RuntimeException(); - - 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(); - - m_pStreamData = new PTFStreamData_Impl( xFileAccess, bDelete, aURL, - xOrigStream, xOrigTruncate, xOrigSeekable, xOrigInStream, xOrigOutStream ); -} - -// ------------------------------------------------------------------------ -OPostponedTruncationFileStream::~OPostponedTruncationFileStream() -{ - CloseAll_Impl(); -} - -// ------------------------------------------------------------------------ -void OPostponedTruncationFileStream::CloseAll_Impl() -{ - 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 OPostponedTruncationFileStream::CheckScheduledTruncation_Impl() -{ - if ( !m_pStreamData ) - throw io::NotConnectedException(); - - if ( m_pStreamData->m_bPostponedTruncate ) - { - // the original stream data should be provided - if ( !m_pStreamData->m_xOrigTruncate.is() ) - throw uno::RuntimeException(); - - m_pStreamData->m_xOrigTruncate->truncate(); - m_pStreamData->NoPostponing(); - } -} - -// com::sun::star::io::XStream -// ------------------------------------------------------------------------ -uno::Reference< io::XInputStream > SAL_CALL OPostponedTruncationFileStream::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 OPostponedTruncationFileStream::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 OPostponedTruncationFileStream::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_bPostponedTruncate ) - { - // the stream must behave as truncated one - aData.realloc( 0 ); - return 0; - } - 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 OPostponedTruncationFileStream::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_bPostponedTruncate ) - { - // the stream must behave as truncated one - aData.realloc( 0 ); - return 0; - } - else - { - // the original stream data should be provided - if ( !m_pStreamData->m_xOrigInStream.is() ) - throw uno::RuntimeException(); - - return m_pStreamData->m_xOrigInStream->readBytes( aData, nMaxBytesToRead ); - } -} - -// ------------------------------------------------------------------------ -void SAL_CALL OPostponedTruncationFileStream::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_bPostponedTruncate ) - { - // the stream must behave as truncated one - if ( nBytesToSkip > 0 ) - throw io::BufferSizeExceededException(); - - return; - } - 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 OPostponedTruncationFileStream::available( ) - throw (io::NotConnectedException, io::IOException, uno::RuntimeException) -{ - ::osl::MutexGuard aGuard( m_aMutex ); - - if ( !m_pStreamData ) - throw io::NotConnectedException(); - - if ( m_pStreamData->m_bPostponedTruncate ) - { - // the stream must behave as truncated one - return 0; - } - 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 OPostponedTruncationFileStream::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 OPostponedTruncationFileStream::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(); - - // writing method must check the truncation - CheckScheduledTruncation_Impl(); - - // 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 OPostponedTruncationFileStream::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_bPostponedTruncate ) - { - // it is no writing call, thus must be ignored - return; - } - 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 OPostponedTruncationFileStream::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 OPostponedTruncationFileStream::truncate( ) - throw (io::IOException, uno::RuntimeException) -{ - ::osl::MutexGuard aGuard( m_aMutex ); - - if ( !m_pStreamData ) - throw io::NotConnectedException(); - - if ( m_pStreamData->m_bPostponedTruncate ) - { - // the truncation is already scheduled, ignore - return; - } - 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 OPostponedTruncationFileStream::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_bPostponedTruncate ) - { - if ( location > 0 ) - throw lang::IllegalArgumentException(); - - return; - } - 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 OPostponedTruncationFileStream::getPosition( ) - throw (io::IOException, uno::RuntimeException) -{ - ::osl::MutexGuard aGuard( m_aMutex ); - - if ( !m_pStreamData ) - throw io::NotConnectedException(); - - if ( m_pStreamData->m_bPostponedTruncate ) - { - return 0; - } - 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 OPostponedTruncationFileStream::getLength( ) - throw (io::IOException, uno::RuntimeException) -{ - ::osl::MutexGuard aGuard( m_aMutex ); - - if ( !m_pStreamData ) - throw io::NotConnectedException(); - - if ( m_pStreamData->m_bPostponedTruncate ) - { - return 0; - } - else - { - // the original stream data should be provided - if ( !m_pStreamData->m_xOrigSeekable.is() ) - throw uno::RuntimeException(); - - return m_pStreamData->m_xOrigSeekable->getLength(); - } -} - -// ------------------------------------------------------------------------ -void SAL_CALL OPostponedTruncationFileStream::waitForCompletion() - throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) -{ - if ( !m_pStreamData ) - throw io::NotConnectedException(); - - if ( m_pStreamData->m_bPostponedTruncate ) - return; - - uno::Reference< io::XAsyncOutputMonitor > asyncOutputMonitor( m_pStreamData->m_xOrigOutStream, uno::UNO_QUERY ); - if ( asyncOutputMonitor.is() ) - asyncOutputMonitor->waitForCompletion(); -} - |