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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#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>
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();
// 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 OOutputStreamWrapper : public OutputStreamWrapper_Base
{
public:
UNOTOOLS_DLLPUBLIC OOutputStreamWrapper(SvStream& _rStream);
protected:
virtual ~OOutputStreamWrapper();
// 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);
/// throws an exception according to the error flag of m_pSvStream
void checkError() const;
// TODO: thread safety!
SvStream& rStream;
};
//==================================================================
//= 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 OSeekableOutputStreamWrapper
:public OOutputStreamWrapper
,public OSeekableOutputStreamWrapper_Base
{
public:
UNOTOOLS_DLLPUBLIC OSeekableOutputStreamWrapper(SvStream& _rStream);
private:
virtual ~OSeekableOutputStreamWrapper();
// 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_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
