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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: streamhelper.hxx,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
#include "unotools/unotoolsdllapi.h"
#ifndef _UNOTOOLS_STREAMHELPER_HXX_
#define _UNOTOOLS_STREAMHELPER_HXX_
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <osl/mutex.hxx>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/implbase2.hxx>
#include <tools/stream.hxx>
namespace utl
{
namespace stario = ::com::sun::star::io;
namespace staruno = ::com::sun::star::uno;
/**
* The helper implementation for a using input streams based on SvLockBytes.
*
* @author Dirk Grobler
* @since 00/28/03
*/
typedef ::cppu::WeakImplHelper2<stario::XInputStream, stario::XSeekable> InputStreamHelper_Base;
// needed for some compilers
class UNOTOOLS_DLLPUBLIC OInputStreamHelper : public InputStreamHelper_Base
{
::osl::Mutex m_aMutex;
SvLockBytesRef m_xLockBytes;
sal_uInt32 m_nActPos;
sal_Int32 m_nAvailable; // this is typically the chunk(buffer) size
public:
OInputStreamHelper(const SvLockBytesRef& _xLockBytes,
sal_uInt32 _nAvailable,
sal_uInt32 _nPos = 0)
:m_xLockBytes(_xLockBytes)
,m_nActPos(_nPos)
,m_nAvailable(_nAvailable){}
// staruno::XInterface
virtual void SAL_CALL acquire() throw ();
virtual void SAL_CALL release() throw ();
// stario::XInputStream
virtual sal_Int32 SAL_CALL readBytes( staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException);
virtual sal_Int32 SAL_CALL readSomeBytes( staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException);
virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException);
virtual sal_Int32 SAL_CALL available( ) throw(stario::NotConnectedException, stario::IOException, staruno::RuntimeException);
virtual void SAL_CALL closeInput( ) throw (stario::NotConnectedException, stario::IOException, staruno::RuntimeException);
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);
};
/**
* The helper implementation for a using output streams based on SvLockBytes.
*
* @author Dirk Grobler
* @since 00/28/03
*/
typedef ::cppu::WeakImplHelper1<stario::XOutputStream> OutputStreamHelper_Base;
// needed for some compilers
class UNOTOOLS_DLLPUBLIC OOutputStreamHelper : public OutputStreamHelper_Base
{
::osl::Mutex m_aMutex;
SvLockBytesRef m_xLockBytes;
sal_uInt32 m_nActPos;
public:
OOutputStreamHelper(const SvLockBytesRef& _xLockBytes, sal_uInt32 _nPos = 0)
:m_xLockBytes(_xLockBytes)
,m_nActPos(_nPos){}
// staruno::XInterface
virtual void SAL_CALL acquire() throw ();
virtual void SAL_CALL release() throw ();
// stario::XOutputStream
virtual void SAL_CALL writeBytes( const staruno::Sequence< sal_Int8 >& aData ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException);
virtual void SAL_CALL flush( ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException);
virtual void SAL_CALL closeOutput( ) throw(stario::NotConnectedException, stario::BufferSizeExceededException, stario::IOException, staruno::RuntimeException);
};
} // namespace utl
#endif // _UNOTOOLS_STREAM_WRAPPER_HXX_
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