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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.
*
************************************************************************/
#include "unotools/unotoolsdllapi.h"
#ifndef _UTL_STREAM_WRAPPER_HXX_
#define _UTL_STREAM_WRAPPER_HXX_
#include <osl/mutex.hxx>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XTruncate.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <cppuhelper/implbase3.hxx>
#include <cppuhelper/implbase1.hxx>
#include <comphelper/uno3.hxx>
class SvStream;
namespace utl
{
namespace stario = ::com::sun::star::io;
namespace staruno = ::com::sun::star::uno;
//==================================================================
//= OInputStreamWrapper
//==================================================================
typedef ::cppu::WeakImplHelper1 < stario::XInputStream
> InputStreamWrapper_Base;
// needed for some compilers
/// helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XInputStream</type>
class UNOTOOLS_DLLPUBLIC OInputStreamWrapper : public InputStreamWrapper_Base
{
protected:
::osl::Mutex m_aMutex;
SvStream* m_pSvStream;
sal_Bool m_bSvStreamOwner : 1;
OInputStreamWrapper()
{ m_pSvStream = 0; m_bSvStreamOwner = sal_False; }
void SetStream(SvStream* _pStream, sal_Bool bOwner )
{ m_pSvStream = _pStream; m_bSvStreamOwner = bOwner; }
public:
OInputStreamWrapper(SvStream& _rStream);
OInputStreamWrapper(SvStream* pStream, sal_Bool bOwner=sal_False);
virtual ~OInputStreamWrapper();
// UNO Anbindung
DECLARE_UNO3_AGG_DEFAULTS(OInputStreamWrapper, InputStreamWrapper_Base);
// stario::XInputStream
virtual sal_Int32 SAL_CALL readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual sal_Int32 SAL_CALL readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual sal_Int32 SAL_CALL available() throw(stario::NotConnectedException, staruno::RuntimeException);
virtual void SAL_CALL closeInput() throw(stario::NotConnectedException, staruno::RuntimeException);
protected:
/// throws a NotConnectedException if the object is not connected anymore
void checkConnected() const;
/// throws an exception according to the error flag of m_pSvStream
void checkError() const;
};
//==================================================================
//= OSeekableInputStreamWrapper
//==================================================================
typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable
> OSeekableInputStreamWrapper_Base;
/** helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XInputStream</type>
which is seekable (i.e. supports the <type scope="com.sun.star.io">XSeekable</type> interface).
*/
class UNOTOOLS_DLLPUBLIC OSeekableInputStreamWrapper : public ::cppu::ImplInheritanceHelper1 < OInputStreamWrapper, com::sun::star::io::XSeekable >
{
protected:
OSeekableInputStreamWrapper() {}
public:
OSeekableInputStreamWrapper(SvStream& _rStream);
OSeekableInputStreamWrapper(SvStream* _pStream, sal_Bool _bOwner = sal_False);
// XSeekable
virtual void SAL_CALL seek( sal_Int64 _nLocation ) 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);
};
//==================================================================
//= OOutputStreamWrapper
//==================================================================
typedef ::cppu::WeakImplHelper1<stario::XOutputStream> OutputStreamWrapper_Base;
// needed for some compilers
class UNOTOOLS_DLLPUBLIC OOutputStreamWrapper : public OutputStreamWrapper_Base
{
protected:
// TODO: thread safety!
SvStream& rStream;
public:
OOutputStreamWrapper(SvStream& _rStream) :rStream(_rStream) { }
// UNO Anbindung
DECLARE_UNO3_AGG_DEFAULTS(OOutputStreamWrapper, OutputStreamWrapper_Base);
// stario::XOutputStream
virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
protected:
/// throws an exception according to the error flag of m_pSvStream
void checkError() const;
};
//==================================================================
//= OSeekableOutputStreamWrapper
//==================================================================
typedef ::cppu::ImplHelper1 < ::com::sun::star::io::XSeekable
> OSeekableOutputStreamWrapper_Base;
/** helper class for wrapping an SvStream into an <type scope="com.sun.star.io">XOutputStream</type>
which is seekable (i.e. supports the <type scope="com.sun.star.io">XSeekable</type> interface).
*/
class UNOTOOLS_DLLPUBLIC OSeekableOutputStreamWrapper
:public OOutputStreamWrapper
,public OSeekableOutputStreamWrapper_Base
{
public:
OSeekableOutputStreamWrapper(SvStream& _rStream);
// disambiguate XInterface
virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type& _rType ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL acquire( ) throw ();
virtual void SAL_CALL release( ) throw ();
// XSeekable
virtual void SAL_CALL seek( sal_Int64 _nLocation ) 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);
};
class UNOTOOLS_DLLPUBLIC OStreamWrapper : public ::cppu::ImplInheritanceHelper3 < OSeekableInputStreamWrapper, com::sun::star::io::XStream, com::sun::star::io::XOutputStream, com::sun::star::io::XTruncate >
{
public:
OStreamWrapper(SvStream& _rStream);
// stario::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);
// stario::XOutputStream
virtual void SAL_CALL writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL flush() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL closeOutput() throw(stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException);
virtual void SAL_CALL truncate() throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
};
}
// namespace utl
#endif // _UTL_STREAM_WRAPPER_HXX_
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