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diff --git a/package/source/xstor/switchpersistencestream.cxx b/package/source/xstor/switchpersistencestream.cxx
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+/*************************************************************************
+ *
+ * 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_package.hxx"
+#include <osl/diagnose.h>
+
+#include <comphelper/storagehelper.hxx>
+#include <switchpersistencestream.hxx>
+
+using namespace ::com::sun::star;
+
+// ========================================================================
+struct SPStreamData_Impl
+{
+ uno::Reference< lang::XMultiServiceFactory > m_xFactory;
+
+ sal_Bool m_bInStreamBased;
+
+ // 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;
+
+
+ SPStreamData_Impl(
+ const uno::Reference< lang::XMultiServiceFactory >& xFactory,
+ sal_Bool bInStreamBased,
+ 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,
+ sal_Bool bInOpen,
+ sal_Bool bOutOpen )
+ : m_xFactory( xFactory )
+ , m_bInStreamBased( bInStreamBased )
+ , m_xOrigStream( xOrigStream )
+ , m_xOrigTruncate( xOrigTruncate )
+ , m_xOrigSeekable( xOrigSeekable )
+ , m_xOrigInStream( xOrigInStream )
+ , m_xOrigOutStream( xOrigOutStream )
+ , m_bInOpen( bInOpen )
+ , m_bOutOpen( bOutOpen )
+ {
+ }
+};
+
+// ========================================================================
+// ------------------------------------------------------------------------
+SwitchablePersistenceStream::SwitchablePersistenceStream(
+ const uno::Reference< lang::XMultiServiceFactory >& xFactory,
+ const uno::Reference< io::XStream >& xStream )
+: m_xFactory( xFactory )
+, m_pStreamData( NULL )
+{
+ SwitchPersistenceTo( xStream );
+}
+
+// ------------------------------------------------------------------------
+SwitchablePersistenceStream::SwitchablePersistenceStream(
+ const uno::Reference< lang::XMultiServiceFactory >& xFactory,
+ const uno::Reference< io::XInputStream >& xInputStream )
+: m_xFactory( xFactory )
+, m_pStreamData( NULL )
+{
+ SwitchPersistenceTo( xInputStream );
+}
+
+// ------------------------------------------------------------------------
+SwitchablePersistenceStream::~SwitchablePersistenceStream()
+{
+ CloseAll_Impl();
+}
+
+// ------------------------------------------------------------------------
+void SwitchablePersistenceStream::SwitchPersistenceTo( const uno::Reference< io::XStream >& xStream )
+{
+ uno::Reference< io::XTruncate > xNewTruncate( xStream, uno::UNO_QUERY_THROW );
+ uno::Reference< io::XSeekable > xNewSeekable( xStream, uno::UNO_QUERY_THROW );
+ uno::Reference< io::XInputStream > xNewInStream = xStream->getInputStream();
+ uno::Reference< io::XOutputStream > xNewOutStream = xStream->getOutputStream();
+ if ( !xNewInStream.is() || !xNewOutStream.is() )
+ throw uno::RuntimeException();
+
+ sal_Int64 nPos = 0;
+ sal_Bool bInOpen = sal_False;
+ sal_Bool bOutOpen = sal_False;
+
+ if ( m_pStreamData && m_pStreamData->m_xOrigSeekable.is() )
+ {
+ // check that the length is the same
+ if ( m_pStreamData->m_xOrigSeekable->getLength() != xNewSeekable->getLength() )
+ throw uno::RuntimeException();
+
+ // get the current position
+ nPos = m_pStreamData->m_xOrigSeekable->getPosition();
+ bInOpen = m_pStreamData->m_bInOpen;
+ bOutOpen = m_pStreamData->m_bOutOpen;
+ }
+
+ xNewSeekable->seek( nPos );
+
+ CloseAll_Impl();
+
+ m_pStreamData = new SPStreamData_Impl( m_xFactory, sal_False,
+ xStream, xNewTruncate, xNewSeekable, xNewInStream, xNewOutStream,
+ bInOpen, bOutOpen );
+}
+
+// ------------------------------------------------------------------------
+void SwitchablePersistenceStream::SwitchPersistenceTo( const uno::Reference< io::XInputStream >& xInputStream )
+{
+ uno::Reference< io::XStream > xNewStream;
+ uno::Reference< io::XTruncate > xNewTruncate;
+ uno::Reference< io::XSeekable > xNewSeekable( xInputStream, uno::UNO_QUERY_THROW );
+ uno::Reference< io::XOutputStream > xNewOutStream;
+ if ( !xInputStream.is() )
+ throw uno::RuntimeException();
+
+ sal_Int64 nPos = 0;
+ sal_Bool bInOpen = sal_False;
+ sal_Bool bOutOpen = sal_False;
+
+ if ( m_pStreamData && m_pStreamData->m_xOrigSeekable.is() )
+ {
+ // check that the length is the same
+ if ( m_pStreamData->m_xOrigSeekable->getLength() != xNewSeekable->getLength() )
+ throw uno::RuntimeException();
+
+ // get the current position
+ nPos = m_pStreamData->m_xOrigSeekable->getPosition();
+ bInOpen = m_pStreamData->m_bInOpen;
+ bOutOpen = m_pStreamData->m_bOutOpen;
+ }
+
+ xNewSeekable->seek( nPos );
+
+ CloseAll_Impl();
+
+ m_pStreamData = new SPStreamData_Impl( m_xFactory, sal_True,
+ xNewStream, xNewTruncate, xNewSeekable, xInputStream, xNewOutStream,
+ bInOpen, bOutOpen );
+
+}
+
+// ------------------------------------------------------------------------
+void SwitchablePersistenceStream::CopyAndSwitchPersistenceTo( const uno::Reference< io::XStream >& xStream )
+{
+ uno::Reference< io::XStream > xTargetStream = xStream;
+ uno::Reference< io::XSeekable > xTargetSeek;
+
+ if ( !xTargetStream.is() )
+ {
+ xTargetStream = uno::Reference < io::XStream >(
+ m_xFactory->createInstance( ::rtl::OUString::createFromAscii( "com.sun.star.io.TempFile" ) ),
+ uno::UNO_QUERY_THROW );
+
+ xTargetSeek = uno::Reference< io::XSeekable >( xTargetStream, uno::UNO_QUERY_THROW );
+ }
+ else
+ {
+ // the provided stream must be empty
+ xTargetSeek = uno::Reference< io::XSeekable >( xTargetStream, uno::UNO_QUERY_THROW );
+ if ( xTargetSeek->getLength() )
+ throw io::IOException();
+ }
+
+ uno::Reference< io::XTruncate > xTargetTruncate( xTargetStream, uno::UNO_QUERY_THROW );
+ uno::Reference< io::XInputStream > xTargetInStream = xTargetStream->getInputStream();
+ uno::Reference< io::XOutputStream > xTargetOutStream = xTargetStream->getOutputStream();
+ if ( !xTargetInStream.is() || !xTargetOutStream.is() )
+ throw uno::RuntimeException();
+
+ if ( !m_pStreamData->m_xOrigInStream.is() || !m_pStreamData->m_xOrigSeekable.is() )
+ throw uno::RuntimeException();
+
+ sal_Int64 nPos = m_pStreamData->m_xOrigSeekable->getPosition();
+ m_pStreamData->m_xOrigSeekable->seek( 0 );
+ ::comphelper::OStorageHelper::CopyInputToOutput( m_pStreamData->m_xOrigInStream, xTargetOutStream );
+ xTargetOutStream->flush();
+ xTargetSeek->seek( nPos );
+
+ sal_Bool bInOpen = m_pStreamData->m_bInOpen;
+ sal_Bool bOutOpen = m_pStreamData->m_bOutOpen;
+
+ CloseAll_Impl();
+
+ m_pStreamData = new SPStreamData_Impl( m_xFactory, sal_False,
+ xTargetStream, xTargetTruncate, xTargetSeek, xTargetInStream, xTargetOutStream,
+ bInOpen, bOutOpen );
+}
+
+// ------------------------------------------------------------------------
+void SwitchablePersistenceStream::CloseAll_Impl()
+{
+ if ( m_pStreamData )
+ {
+ delete m_pStreamData;
+ m_pStreamData = NULL;
+ }
+}
+
+// com::sun::star::io::XStream
+// ------------------------------------------------------------------------
+uno::Reference< io::XInputStream > SAL_CALL SwitchablePersistenceStream::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 SwitchablePersistenceStream::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 SwitchablePersistenceStream::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();
+
+ // 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 SwitchablePersistenceStream::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();
+
+ // 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 SwitchablePersistenceStream::skipBytes( ::sal_Int32 nBytesToSkip )
+ throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ // 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 SwitchablePersistenceStream::available( )
+ throw (io::NotConnectedException, io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ // 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 SwitchablePersistenceStream::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 SwitchablePersistenceStream::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_bInStreamBased )
+ throw io::IOException();
+
+ // 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 SwitchablePersistenceStream::flush( )
+ throw (io::NotConnectedException, io::BufferSizeExceededException, io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData || m_pStreamData->m_bInStreamBased )
+ {
+ OSL_ENSURE( sal_False, "flush() is not acceptable!\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();
+ }
+
+ // the original stream data should be provided
+ if ( !m_pStreamData->m_xOrigOutStream.is() )
+ throw uno::RuntimeException();
+
+ m_pStreamData->m_xOrigOutStream->flush();
+}
+
+
+// ------------------------------------------------------------------------
+void SAL_CALL SwitchablePersistenceStream::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 SwitchablePersistenceStream::truncate( )
+ throw (io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ if ( m_pStreamData->m_bInStreamBased )
+ throw io::IOException();
+
+ // 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 SwitchablePersistenceStream::seek( ::sal_Int64 location )
+ throw (lang::IllegalArgumentException, io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ // 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 SwitchablePersistenceStream::getPosition( )
+ throw (io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ // 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 SwitchablePersistenceStream::getLength( )
+ throw (io::IOException, uno::RuntimeException)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ // 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 SwitchablePersistenceStream::waitForCompletion()
+ throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
+{
+ if ( !m_pStreamData )
+ throw io::NotConnectedException();
+
+ uno::Reference< io::XAsyncOutputMonitor > asyncOutputMonitor( m_pStreamData->m_xOrigOutStream, uno::UNO_QUERY );
+ if ( asyncOutputMonitor.is() )
+ asyncOutputMonitor->waitForCompletion();
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-21 14:00:36 +0000