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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 _COMPHELPER_STREAM_SEEKABLEINPUT_HXX_
#define _COMPHELPER_STREAM_SEEKABLEINPUT_HXX_
#include <osl/mutex.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <cppuhelper/implbase2.hxx>
#include "comphelper/comphelperdllapi.h"
namespace comphelper
{
class COMPHELPER_DLLPUBLIC OSeekableInputWrapper : public ::cppu::WeakImplHelper2< ::com::sun::star::io::XInputStream,
::com::sun::star::io::XSeekable >
{
::osl::Mutex m_aMutex;
::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;
::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > m_xOriginalStream;
::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > m_xCopyInput;
::com::sun::star::uno::Reference< ::com::sun::star::io::XSeekable > m_xCopySeek;
private:
COMPHELPER_DLLPRIVATE void PrepareCopy_Impl();
public:
OSeekableInputWrapper(
const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInStream,
const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory );
virtual ~OSeekableInputWrapper();
static ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > CheckSeekableCanWrap(
const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInStream,
const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory );
// 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);
// 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);
};
} // namespace comphelper
#endif
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