260 lines
7 KiB
C++
260 lines
7 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 "oinputstreamcontainer.hxx"
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#include <cppuhelper/typeprovider.hxx>
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#include <cppuhelper/queryinterface.hxx>
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using namespace ::com::sun::star;
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OFSInputStreamContainer::OFSInputStreamContainer( const uno::Reference< io::XInputStream >& xStream )
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: m_xInputStream( xStream )
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, m_xSeekable( xStream, uno::UNO_QUERY )
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, m_bSeekable( false )
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, m_bDisposed( false )
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{
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m_bSeekable = m_xSeekable.is();
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}
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OFSInputStreamContainer::~OFSInputStreamContainer()
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{
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}
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uno::Sequence< uno::Type > SAL_CALL OFSInputStreamContainer::getTypes()
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{
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if (m_bSeekable)
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{
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static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XStream>::get(),
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cppu::UnoType<io::XInputStream>::get(),
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cppu::UnoType<io::XSeekable>::get());
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return aTypeCollection.getTypes();
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}
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else
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{
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static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XStream>::get(),
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cppu::UnoType<io::XInputStream>::get());
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return aTypeCollection.getTypes();
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}
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}
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uno::Any SAL_CALL OFSInputStreamContainer::queryInterface( const uno::Type& rType )
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{
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// Attention:
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// Don't use mutex or guard in this method!!! Is a method of XInterface.
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uno::Any aReturn;
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if ( m_bSeekable )
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aReturn = ::cppu::queryInterface( rType,
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static_cast< io::XStream* >( this ),
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static_cast< io::XInputStream* >( this ),
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static_cast< io::XSeekable* >( this ) );
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else
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aReturn = ::cppu::queryInterface( rType,
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static_cast< io::XStream* >( this ),
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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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return ::cppu::OWeakObject::queryInterface( rType ) ;
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}
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void SAL_CALL OFSInputStreamContainer::acquire()
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noexcept
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{
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::cppu::OWeakObject::acquire();
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}
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void SAL_CALL OFSInputStreamContainer::release()
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noexcept
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{
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::cppu::OWeakObject::release();
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}
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sal_Int32 SAL_CALL OFSInputStreamContainer::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_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 OFSInputStreamContainer::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_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 OFSInputStreamContainer::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_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 OFSInputStreamContainer::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_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 OFSInputStreamContainer::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_xInputStream.is() )
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throw uno::RuntimeException();
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}
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dispose();
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}
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uno::Reference< io::XInputStream > SAL_CALL OFSInputStreamContainer::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_xInputStream.is() )
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return uno::Reference< io::XInputStream >();
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return this;
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}
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uno::Reference< io::XOutputStream > SAL_CALL OFSInputStreamContainer::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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return uno::Reference< io::XOutputStream >();
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}
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void SAL_CALL OFSInputStreamContainer::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_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 OFSInputStreamContainer::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_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 OFSInputStreamContainer::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_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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void SAL_CALL OFSInputStreamContainer::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_xInputStream.is() )
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throw uno::RuntimeException();
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m_xInputStream->closeInput();
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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 OFSInputStreamContainer::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 OFSInputStreamContainer::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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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