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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.
- *
- ************************************************************************/
-#ifndef _SFX_OPOSTPONEDTRUNCATIONFILESTREAM_HXX
-#define _SFX_OPOSTPONEDTRUNCATIONFILESTREAM_HXX
-
-#include <com/sun/star/uno/Sequence.hxx>
-#include <com/sun/star/uno/Reference.hxx>
-#include <com/sun/star/io/XInputStream.hpp>
-#include <com/sun/star/io/XOutputStream.hpp>
-#include <com/sun/star/io/XSeekable.hpp>
-#include <com/sun/star/io/XTruncate.hpp>
-#include <com/sun/star/io/XStream.hpp>
-#include <com/sun/star/embed/XTransactedObject.hpp>
-#include <com/sun/star/beans/XPropertySetInfo.hpp>
-#include <com/sun/star/beans/XPropertySet.hpp>
-#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
-#include <com/sun/star/io/XAsyncOutputMonitor.hpp>
-#include <osl/mutex.hxx>
-#include <cppuhelper/implbase6.hxx>
-#include "sfx2/dllapi.h"
-
-//==================================================================
-// OPostponedTruncationFileStream
-//
-// Allows to get stream access to a file, where the first truncation
-// of the file is postponed till the first writing. If no writing happens
-// after the first truncation/creation, it has no effect. ( The postponing of
-// the creation can be switched off during initialization. Here the postponing
-// of the creation means that the file will be created immediatelly, but
-// if nothing is written into it, it will be removed during destruction
-// of the object. )
-//
-// On creation of this object the target file is scheduled for
-// creation/truncation. But the action happens only during the first
-// write access. After the first write access the object behaves
-// itself as the original stream.
-//==================================================================
-
-struct PTFStreamData_Impl;
-class SFX2_DLLPUBLIC OPostponedTruncationFileStream
- : public ::cppu::WeakImplHelper6 <
- ::com::sun::star::io::XStream,
- ::com::sun::star::io::XInputStream,
- ::com::sun::star::io::XOutputStream,
- ::com::sun::star::io::XTruncate,
- ::com::sun::star::io::XSeekable,
- ::com::sun::star::io::XAsyncOutputMonitor >
-{
- ::osl::Mutex m_aMutex;
- PTFStreamData_Impl* m_pStreamData;
-
- void CloseAll_Impl();
-
- void CheckScheduledTruncation_Impl();
-
-public:
-
- OPostponedTruncationFileStream(
- const ::rtl::OUString& aURL,
- const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
- const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XSimpleFileAccess >& xFileAccess,
- const ::com::sun::star::uno::Reference< ::com::sun::star::io::XStream >& xStream,
- sal_Bool bDelete );
-
- ~OPostponedTruncationFileStream();
-
-// com::sun::star::io::XStream
- virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( ) throw (::com::sun::star::uno::RuntimeException);
- virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL getOutputStream( ) throw (::com::sun::star::uno::RuntimeException);
-
-// com::sun::star::io::XInputStream
- virtual ::sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData, ::sal_Int32 nBytesToRead ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual ::sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData, ::sal_Int32 nMaxBytesToRead ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual void SAL_CALL skipBytes( ::sal_Int32 nBytesToSkip ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual ::sal_Int32 SAL_CALL available( ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual void SAL_CALL closeInput( ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
-
-// com::sun::star::io::XOutputStream
- virtual void SAL_CALL writeBytes( const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual void SAL_CALL flush( ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual void SAL_CALL closeOutput( ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
-
-// com::sun::star::io::XTruncate
- virtual void SAL_CALL truncate( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
-
-// com::sun::star::io::XSeekable
- virtual void SAL_CALL seek( ::sal_Int64 location ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual ::sal_Int64 SAL_CALL getPosition( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
- virtual ::sal_Int64 SAL_CALL getLength( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
-
-// ::com::sun::star::io::XAsyncOutputMonitor
- virtual void SAL_CALL waitForCompletion( ) throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
-
-};
-
-#endif //_SFX_OPOSTPONEDTRUNCATIONFILESTREAM_HXX
-
-