447 lines
11 KiB
C++
447 lines
11 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 "ostreamcontainer.hxx"
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#include <cppuhelper/queryinterface.hxx>
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#include <comphelper/sequence.hxx>
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using namespace ::com::sun::star;
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OFSStreamContainer::OFSStreamContainer( const uno::Reference < io::XStream >& xStream )
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: m_bDisposed( false )
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, m_bInputClosed( false )
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, m_bOutputClosed( false )
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{
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try
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{
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m_xStream = xStream;
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if ( !m_xStream.is() )
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throw uno::RuntimeException();
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m_xSeekable.set( xStream, uno::UNO_QUERY );
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m_xInputStream = xStream->getInputStream();
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m_xOutputStream = xStream->getOutputStream();
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m_xTruncate.set( m_xOutputStream, uno::UNO_QUERY );
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m_xAsyncOutputMonitor.set( m_xOutputStream, uno::UNO_QUERY );
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}
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catch( uno::Exception& )
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{
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m_xStream.clear();
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m_xSeekable.clear();
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m_xInputStream.clear();
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m_xOutputStream.clear();
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m_xTruncate.clear();
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m_xAsyncOutputMonitor.clear();
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}
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}
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OFSStreamContainer::~OFSStreamContainer()
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{
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}
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// XInterface
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uno::Any SAL_CALL OFSStreamContainer::queryInterface( const uno::Type& rType )
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{
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uno::Any aReturn = ::cppu::queryInterface
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( rType
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, static_cast<lang::XTypeProvider*> ( this )
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, static_cast<io::XStream*> ( this )
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, static_cast<embed::XExtendedStorageStream*> ( this )
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, static_cast<lang::XComponent*> ( this ) );
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if ( aReturn.hasValue() )
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return aReturn ;
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if ( m_xSeekable.is() )
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{
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aReturn = ::cppu::queryInterface
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( rType
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, static_cast<io::XSeekable*> ( this ) );
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if ( aReturn.hasValue() )
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return aReturn ;
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}
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if ( m_xInputStream.is() )
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{
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aReturn = ::cppu::queryInterface
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( rType
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, static_cast<io::XInputStream*> ( this ) );
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if ( aReturn.hasValue() )
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return aReturn ;
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}
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if ( m_xOutputStream.is() )
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{
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aReturn = ::cppu::queryInterface
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( rType
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, static_cast<io::XOutputStream*> ( this ) );
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if ( aReturn.hasValue() )
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return aReturn ;
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}
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if ( m_xTruncate.is() )
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{
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aReturn = ::cppu::queryInterface
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( rType
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, static_cast<io::XTruncate*> ( this ) );
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if ( aReturn.hasValue() )
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return aReturn ;
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}
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if ( m_xAsyncOutputMonitor.is() )
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{
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aReturn = ::cppu::queryInterface
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( rType
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, static_cast<io::XAsyncOutputMonitor*> ( this ) );
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if ( aReturn.hasValue() )
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return aReturn ;
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}
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return OWeakObject::queryInterface( rType );
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}
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void SAL_CALL OFSStreamContainer::acquire()
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noexcept
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{
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OWeakObject::acquire();
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}
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void SAL_CALL OFSStreamContainer::release()
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noexcept
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{
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OWeakObject::release();
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}
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// XTypeProvider
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uno::Sequence< uno::Type > SAL_CALL OFSStreamContainer::getTypes()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( !m_aTypes.hasElements() )
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{
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std::vector<uno::Type> tmp
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{
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cppu::UnoType<lang::XTypeProvider>::get(),
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cppu::UnoType<embed::XExtendedStorageStream>::get()
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};
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if ( m_xSeekable.is() )
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tmp.push_back(cppu::UnoType<io::XSeekable>::get());
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if ( m_xInputStream.is() )
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tmp.push_back(cppu::UnoType<io::XInputStream>::get());
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if ( m_xOutputStream.is() )
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tmp.push_back(cppu::UnoType<io::XOutputStream>::get());
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if ( m_xTruncate.is() )
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tmp.push_back(cppu::UnoType<io::XTruncate>::get());
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if ( m_xAsyncOutputMonitor.is() )
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tmp.push_back(cppu::UnoType<io::XAsyncOutputMonitor>::get());
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m_aTypes = comphelper::containerToSequence(tmp);
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}
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return m_aTypes;
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}
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uno::Sequence< sal_Int8 > SAL_CALL OFSStreamContainer::getImplementationId()
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{
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return css::uno::Sequence<sal_Int8>();
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}
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// XStream
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uno::Reference< io::XInputStream > SAL_CALL OFSStreamContainer::getInputStream()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() )
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throw uno::RuntimeException();
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if ( m_xInputStream.is() )
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return uno::Reference< io::XInputStream >( static_cast< io::XInputStream* >( this ) );
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return uno::Reference< io::XInputStream >();
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}
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uno::Reference< io::XOutputStream > SAL_CALL OFSStreamContainer::getOutputStream()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() )
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throw uno::RuntimeException();
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if ( m_xOutputStream.is() )
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return uno::Reference< io::XOutputStream >( static_cast< io::XOutputStream* >( this ) );
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return uno::Reference< io::XOutputStream >();
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}
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// XComponent
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void SAL_CALL OFSStreamContainer::dispose()
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{
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std::unique_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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return;
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if ( !m_xStream.is() )
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throw uno::RuntimeException();
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if ( m_xInputStream.is() && !m_bInputClosed )
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{
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m_xInputStream->closeInput();
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m_bInputClosed = true;
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}
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if ( m_xOutputStream.is() && !m_bOutputClosed )
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{
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m_xOutputStream->closeOutput();
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m_bOutputClosed = true;
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}
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lang::EventObject aSource( getXWeak() );
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m_aListenersContainer.disposeAndClear( aGuard, aSource );
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m_bDisposed = true;
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}
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void SAL_CALL OFSStreamContainer::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
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{
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std::unique_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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m_aListenersContainer.addInterface( aGuard, xListener );
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}
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void SAL_CALL OFSStreamContainer::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
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{
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std::unique_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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m_aListenersContainer.removeInterface( aGuard, xListener );
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}
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// XSeekable
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void SAL_CALL OFSStreamContainer::seek( sal_Int64 location )
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xSeekable.is() )
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throw uno::RuntimeException();
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m_xSeekable->seek( location );
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}
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sal_Int64 SAL_CALL OFSStreamContainer::getPosition()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xSeekable.is() )
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throw uno::RuntimeException();
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return m_xSeekable->getPosition();
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}
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sal_Int64 SAL_CALL OFSStreamContainer::getLength()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xSeekable.is() )
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throw uno::RuntimeException();
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return m_xSeekable->getLength();
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}
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// XInputStream
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sal_Int32 SAL_CALL OFSStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xInputStream.is() )
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throw uno::RuntimeException();
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return m_xInputStream->readBytes( aData, nBytesToRead );
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}
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sal_Int32 SAL_CALL OFSStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xInputStream.is() )
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throw uno::RuntimeException();
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return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
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}
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void SAL_CALL OFSStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xInputStream.is() )
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throw uno::RuntimeException();
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m_xInputStream->skipBytes( nBytesToSkip );
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}
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sal_Int32 SAL_CALL OFSStreamContainer::available()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xInputStream.is() )
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throw uno::RuntimeException();
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return m_xInputStream->available();
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}
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void SAL_CALL OFSStreamContainer::closeInput()
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{
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xInputStream.is() )
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throw uno::RuntimeException();
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if ( m_xInputStream.is() )
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{
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m_xInputStream->closeInput();
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m_bInputClosed = true;
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}
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if ( !m_bOutputClosed )
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return;
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}
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dispose();
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}
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// XOutputStream
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void SAL_CALL OFSStreamContainer::writeBytes( const uno::Sequence< sal_Int8 >& aData )
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xOutputStream.is() )
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throw uno::RuntimeException();
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return m_xOutputStream->writeBytes( aData );
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}
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void SAL_CALL OFSStreamContainer::flush()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xOutputStream.is() )
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throw uno::RuntimeException();
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return m_xOutputStream->flush();
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}
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void SAL_CALL OFSStreamContainer::closeOutput()
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{
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xOutputStream.is() )
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throw uno::RuntimeException();
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if ( m_xOutputStream.is() )
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{
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m_xOutputStream->closeOutput();
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m_bOutputClosed = true;
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}
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if ( !m_bInputClosed )
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return;
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}
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dispose();
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}
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// XTruncate
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void SAL_CALL OFSStreamContainer::truncate()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xTruncate.is() )
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throw uno::RuntimeException();
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m_xTruncate->truncate();
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}
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// XAsyncOutputMonitor
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void SAL_CALL OFSStreamContainer::waitForCompletion()
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{
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std::scoped_lock aGuard( m_aMutex );
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if ( m_bDisposed )
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throw lang::DisposedException();
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if ( !m_xStream.is() || !m_xAsyncOutputMonitor.is() )
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throw uno::RuntimeException();
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m_xAsyncOutputMonitor->waitForCompletion();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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