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diff --git a/unotools/source/ucbhelper/ucbstreamhelper.cxx b/unotools/source/ucbhelper/ucbstreamhelper.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_unotools.hxx"
+
+#include <unotools/ucblockbytes.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/ucb/CommandAbortedException.hpp>
+
+#ifndef _COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HDL_
+#include <com/sun/star/ucb/XCommandEnvironment.hdl>
+#endif
+#include <com/sun/star/ucb/InsertCommandArgument.hpp>
+#include <com/sun/star/io/XActiveDataStreamer.hpp>
+
+#include <ucbhelper/contentbroker.hxx>
+#include <ucbhelper/content.hxx>
+#include <tools/debug.hxx>
+#include <unotools/streamwrap.hxx>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::io;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::ucb;
+using namespace ::com::sun::star::task;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::beans;
+
+namespace utl
+{
+
+static SvStream* lcl_CreateStream( const String& rFileName, StreamMode eOpenMode,
+ Reference < XInteractionHandler > xInteractionHandler,
+ UcbLockBytesHandler* pHandler, sal_Bool /*bForceSynchron*/, sal_Bool bEnsureFileExists )
+{
+ SvStream* pStream = NULL;
+ ::ucbhelper::ContentBroker* pBroker = ::ucbhelper::ContentBroker::get();
+ if ( pBroker )
+ {
+ UcbLockBytesRef xLockBytes;
+ if ( eOpenMode & STREAM_WRITE )
+ {
+ sal_Bool bTruncate = ( eOpenMode & STREAM_TRUNC ) != 0;
+ if ( bTruncate )
+ {
+ try
+ {
+ // truncate is implemented with deleting the original file
+ ::ucbhelper::Content aCnt( rFileName, Reference < XCommandEnvironment >() );
+ aCnt.executeCommand( ::rtl::OUString::createFromAscii( "delete" ), makeAny( sal_Bool( sal_True ) ) );
+ }
+
+ catch ( CommandAbortedException& )
+ {
+ // couldn't truncate/delete
+ }
+ catch ( ContentCreationException& )
+ {
+ }
+ catch ( Exception& )
+ {
+ }
+ }
+
+ if ( bEnsureFileExists || bTruncate )
+ {
+ try
+ {
+ // make sure that the desired file exists before trying to open
+ SvMemoryStream aStream(0,0);
+ ::utl::OInputStreamWrapper* pInput = new ::utl::OInputStreamWrapper( aStream );
+ Reference< XInputStream > xInput( pInput );
+
+ ::ucbhelper::Content aContent( rFileName, Reference < XCommandEnvironment >() );
+ InsertCommandArgument aInsertArg;
+ aInsertArg.Data = xInput;
+
+ aInsertArg.ReplaceExisting = sal_False;
+ Any aCmdArg;
+ aCmdArg <<= aInsertArg;
+ aContent.executeCommand( ::rtl::OUString::createFromAscii( "insert" ), aCmdArg );
+ }
+
+ // it is NOT an error when the stream already exists and no truncation was desired
+ catch ( CommandAbortedException& )
+ {
+ // currently never an error is detected !
+ }
+ catch ( ContentCreationException& )
+ {
+ }
+ catch ( Exception& )
+ {
+ }
+ }
+ }
+
+ try
+ {
+ // create LockBytes using UCB
+ ::ucbhelper::Content aContent( rFileName, Reference < XCommandEnvironment >() );
+ xLockBytes = UcbLockBytes::CreateLockBytes( aContent.get(), Sequence < PropertyValue >(),
+ eOpenMode, xInteractionHandler, pHandler );
+ if ( xLockBytes.Is() )
+ {
+ pStream = new SvStream( xLockBytes );
+ pStream->SetBufferSize( 4096 );
+ pStream->SetError( xLockBytes->GetError() );
+ }
+ }
+ catch ( CommandAbortedException& )
+ {
+ }
+ catch ( ContentCreationException& )
+ {
+ }
+ catch ( Exception& )
+ {
+ }
+ }
+ else
+ // if no UCB is present at least conventional file io is supported
+ pStream = new SvFileStream( rFileName, eOpenMode );
+
+ return pStream;
+}
+
+//============================================================================
+
+SvStream* UcbStreamHelper::CreateStream( const String& rFileName, StreamMode eOpenMode,
+ UcbLockBytesHandler* pHandler, sal_Bool bForceSynchron )
+{
+ return lcl_CreateStream( rFileName, eOpenMode, Reference < XInteractionHandler >(), pHandler, bForceSynchron, sal_True /* bEnsureFileExists */ );
+}
+
+SvStream* UcbStreamHelper::CreateStream( const String& rFileName, StreamMode eOpenMode,
+ Reference < XInteractionHandler > xInteractionHandler,
+ UcbLockBytesHandler* pHandler, sal_Bool bForceSynchron )
+{
+ return lcl_CreateStream( rFileName, eOpenMode, xInteractionHandler, pHandler, bForceSynchron, sal_True /* bEnsureFileExists */ );
+}
+
+SvStream* UcbStreamHelper::CreateStream( const String& rFileName, StreamMode eOpenMode,
+ sal_Bool bFileExists,
+ UcbLockBytesHandler* pHandler, sal_Bool bForceSynchron )
+{
+ return lcl_CreateStream( rFileName, eOpenMode, Reference < XInteractionHandler >(), pHandler, bForceSynchron, !bFileExists );
+}
+
+SvStream* UcbStreamHelper::CreateStream( Reference < XInputStream > xStream )
+{
+ SvStream* pStream = NULL;
+ UcbLockBytesRef xLockBytes = UcbLockBytes::CreateInputLockBytes( xStream );
+ if ( xLockBytes.Is() )
+ {
+ pStream = new SvStream( xLockBytes );
+ pStream->SetBufferSize( 4096 );
+ pStream->SetError( xLockBytes->GetError() );
+ }
+
+ return pStream;
+}
+
+SvStream* UcbStreamHelper::CreateStream( Reference < XStream > xStream )
+{
+ SvStream* pStream = NULL;
+ if ( xStream->getOutputStream().is() )
+ {
+ UcbLockBytesRef xLockBytes = UcbLockBytes::CreateLockBytes( xStream );
+ if ( xLockBytes.Is() )
+ {
+ pStream = new SvStream( xLockBytes );
+ pStream->SetBufferSize( 4096 );
+ pStream->SetError( xLockBytes->GetError() );
+ }
+ }
+ else
+ return CreateStream( xStream->getInputStream() );
+
+ return pStream;
+}
+
+SvStream* UcbStreamHelper::CreateStream( Reference < XInputStream > xStream, sal_Bool bCloseStream )
+{
+ SvStream* pStream = NULL;
+ UcbLockBytesRef xLockBytes = UcbLockBytes::CreateInputLockBytes( xStream );
+ if ( xLockBytes.Is() )
+ {
+ if ( !bCloseStream )
+ xLockBytes->setDontClose_Impl();
+
+ pStream = new SvStream( xLockBytes );
+ pStream->SetBufferSize( 4096 );
+ pStream->SetError( xLockBytes->GetError() );
+ }
+
+ return pStream;
+};
+
+SvStream* UcbStreamHelper::CreateStream( Reference < XStream > xStream, sal_Bool bCloseStream )
+{
+ SvStream* pStream = NULL;
+ if ( xStream->getOutputStream().is() )
+ {
+ UcbLockBytesRef xLockBytes = UcbLockBytes::CreateLockBytes( xStream );
+ if ( xLockBytes.Is() )
+ {
+ if ( !bCloseStream )
+ xLockBytes->setDontClose_Impl();
+
+ pStream = new SvStream( xLockBytes );
+ pStream->SetBufferSize( 4096 );
+ pStream->SetError( xLockBytes->GetError() );
+ }
+ }
+ else
+ return CreateStream( xStream->getInputStream(), bCloseStream );
+
+ return pStream;
+};
+
+}
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