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authorRĂ¼diger Timm <rt@openoffice.org>2005-10-19 11:48:41 +0000
committerRĂ¼diger Timm <rt@openoffice.org>2005-10-19 11:48:41 +0000
commit9246b9aa517f4e7683fbf524e9013ad8ded556e1 (patch)
tree0497b81b1b22bd3933161be0904e2701eb1e8692 /package/source
parent012541502d7f7fbea0c12b74c71f0f29601d198c (diff)
INTEGRATION: CWS cov2src (1.1.6); FILE ADDED
2005/10/18 09:49:09 rt 1.1.6.1: #126234# Join MWS COV680 m4 into SRC680
Diffstat (limited to 'package/source')
-rw-r--r--package/source/xstor/switchpersistencestream.cxx525
1 files changed, 525 insertions, 0 deletions
diff --git a/package/source/xstor/switchpersistencestream.cxx b/package/source/xstor/switchpersistencestream.cxx
new file mode 100644
index 000000000000..4a23ccc963b7
--- /dev/null
+++ b/package/source/xstor/switchpersistencestream.cxx
@@ -0,0 +1,525 @@
+/*************************************************************************
+ *
+ * $RCSfile: switchpersistencestream.cxx,v $
+ *
+ * $Revision: 1.2 $
+ *
+ * last change: $Author: rt $ $Date: 2005-10-19 12:48:41 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+
+#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_xOrigInStream( xOrigInStream )
+ , m_xOrigOutStream( xOrigOutStream )
+ , m_xOrigTruncate( xOrigTruncate )
+ , m_xOrigSeekable( xOrigSeekable )
+ , m_bInOpen( bInOpen )
+ , m_bOutOpen( bOutOpen )
+ {
+ }
+};
+
+// ========================================================================
+// ------------------------------------------------------------------------
+SwitchablePersistenceStream::SwitchablePersistenceStream(
+ const uno::Reference< lang::XMultiServiceFactory >& xFactory,
+ const uno::Reference< io::XStream >& xStream )
+: m_pStreamData( NULL )
+, m_xFactory( xFactory )
+{
+ SwitchPersistenceTo( xStream );
+}
+
+// ------------------------------------------------------------------------
+SwitchablePersistenceStream::SwitchablePersistenceStream(
+ const uno::Reference< lang::XMultiServiceFactory >& xFactory,
+ const uno::Reference< io::XInputStream >& xInputStream )
+: m_pStreamData( NULL )
+, m_xFactory( xFactory )
+{
+ 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 copyInputToOutput_Impl( const uno::Reference< io::XInputStream >& aIn,
+ const uno::Reference< io::XOutputStream >& aOut );
+
+// ------------------------------------------------------------------------
+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 );
+ copyInputToOutput_Impl( 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();
+}
+