608dec14f1
Change-Id: Ic3743e48ef9055933ff040c180561ef41b3a2990 Reviewed-on: https://gerrit.libreoffice.org/5174 Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org> Tested-by: Fridrich Strba <fridrich@documentfoundation.org>
170 lines
5.4 KiB
C++
170 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <osl/diagnose.h>
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#include "wrapstreamforshare.hxx"
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using namespace ::com::sun::star;
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WrapStreamForShare::WrapStreamForShare( const uno::Reference< io::XInputStream >& xInStream,
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const SotMutexHolderRef& rMutexRef )
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: m_rMutexRef( rMutexRef )
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, m_xInStream( xInStream )
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, m_nCurPos( 0 )
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{
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m_xSeekable = uno::Reference< io::XSeekable >( m_xInStream, uno::UNO_QUERY );
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if ( !m_rMutexRef.Is() || !m_xInStream.is() || !m_xSeekable.is() )
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{
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OSL_FAIL( "Wrong initialization of wrapping stream!\n" );
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throw uno::RuntimeException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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}
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}
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WrapStreamForShare::~WrapStreamForShare()
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{
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}
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// XInputStream
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sal_Int32 SAL_CALL WrapStreamForShare::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
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throw ( io::NotConnectedException,
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io::BufferSizeExceededException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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m_xSeekable->seek( m_nCurPos );
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sal_Int32 nRead = m_xInStream->readBytes( aData, nBytesToRead );
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m_nCurPos += nRead;
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return nRead;
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}
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sal_Int32 SAL_CALL WrapStreamForShare::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
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throw ( io::NotConnectedException,
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io::BufferSizeExceededException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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m_xSeekable->seek( m_nCurPos );
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sal_Int32 nRead = m_xInStream->readSomeBytes( aData, nMaxBytesToRead );
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m_nCurPos += nRead;
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return nRead;
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}
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void SAL_CALL WrapStreamForShare::skipBytes( sal_Int32 nBytesToSkip )
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throw ( io::NotConnectedException,
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io::BufferSizeExceededException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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m_xSeekable->seek( m_nCurPos );
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m_xInStream->skipBytes( nBytesToSkip );
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m_nCurPos = m_xSeekable->getPosition();
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}
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sal_Int32 SAL_CALL WrapStreamForShare::available()
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throw ( io::NotConnectedException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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return m_xInStream->available();
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}
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void SAL_CALL WrapStreamForShare::closeInput()
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throw ( io::NotConnectedException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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// the package is the owner so it will close the stream
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// m_xInStream->closeInput();
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m_xInStream = uno::Reference< io::XInputStream >();
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m_xSeekable = uno::Reference< io::XSeekable >();
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}
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// XSeekable
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void SAL_CALL WrapStreamForShare::seek( sal_Int64 location )
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throw ( lang::IllegalArgumentException,
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io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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// let stream implementation do all the checking
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m_xSeekable->seek( location );
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m_nCurPos = m_xSeekable->getPosition();
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}
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sal_Int64 SAL_CALL WrapStreamForShare::getPosition()
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throw ( io::IOException,
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uno::RuntimeException)
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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return m_nCurPos;
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}
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sal_Int64 SAL_CALL WrapStreamForShare::getLength()
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throw ( io::IOException,
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uno::RuntimeException )
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{
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::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
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if ( !m_xInStream.is() )
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throw io::IOException(OSL_LOG_PREFIX, uno::Reference< uno::XInterface >() );
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return m_xSeekable->getLength();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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