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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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 <osl/diagnose.h>
#include "wrapstreamforshare.hxx"
using namespace ::com::sun::star;
WrapStreamForShare::WrapStreamForShare( const uno::Reference< io::XInputStream >& xInStream,
const SotMutexHolderRef& rMutexRef )
: m_rMutexRef( rMutexRef )
, m_xInStream( xInStream )
, m_nCurPos( 0 )
{
m_xSeekable = uno::Reference< io::XSeekable >( m_xInStream, uno::UNO_QUERY );
if ( !m_rMutexRef.Is() || !m_xInStream.is() || !m_xSeekable.is() )
{
OSL_FAIL( "Wrong initialization of wrapping stream!\n" );
throw uno::RuntimeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
}
}
WrapStreamForShare::~WrapStreamForShare()
{
}
// XInputStream
sal_Int32 SAL_CALL WrapStreamForShare::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw ( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
m_xSeekable->seek( m_nCurPos );
sal_Int32 nRead = m_xInStream->readBytes( aData, nBytesToRead );
m_nCurPos += nRead;
return nRead;
}
sal_Int32 SAL_CALL WrapStreamForShare::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
throw ( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
m_xSeekable->seek( m_nCurPos );
sal_Int32 nRead = m_xInStream->readSomeBytes( aData, nMaxBytesToRead );
m_nCurPos += nRead;
return nRead;
}
void SAL_CALL WrapStreamForShare::skipBytes( sal_Int32 nBytesToSkip )
throw ( io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
m_xSeekable->seek( m_nCurPos );
m_xInStream->skipBytes( nBytesToSkip );
m_nCurPos = m_xSeekable->getPosition();
}
sal_Int32 SAL_CALL WrapStreamForShare::available()
throw ( io::NotConnectedException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
return m_xInStream->available();
}
void SAL_CALL WrapStreamForShare::closeInput()
throw ( io::NotConnectedException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
// the package is the owner so it will close the stream
// m_xInStream->closeInput();
m_xInStream = uno::Reference< io::XInputStream >();
m_xSeekable = uno::Reference< io::XSeekable >();
}
// XSeekable
void SAL_CALL WrapStreamForShare::seek( sal_Int64 location )
throw ( lang::IllegalArgumentException,
io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
// let stream implementation do all the checking
m_xSeekable->seek( location );
m_nCurPos = m_xSeekable->getPosition();
}
sal_Int64 SAL_CALL WrapStreamForShare::getPosition()
throw ( io::IOException,
uno::RuntimeException)
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
return m_nCurPos;
}
sal_Int64 SAL_CALL WrapStreamForShare::getLength()
throw ( io::IOException,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
if ( !m_xInStream.is() )
throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
return m_xSeekable->getLength();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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