/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "ostreamcontainer.hxx"
#include <cppuhelper/queryinterface.hxx>
using namespace ::com::sun::star;
OFSStreamContainer::OFSStreamContainer( const uno::Reference < io::XStream >& xStream )
: m_bDisposed( false )
, m_bInputClosed( false )
, m_bOutputClosed( false )
, m_pTypeCollection( nullptr )
{
try
{
m_xStream = xStream;
if ( !m_xStream.is() )
throw uno::RuntimeException();
m_xSeekable.set( xStream, uno::UNO_QUERY );
m_xInputStream = xStream->getInputStream();
m_xOutputStream = xStream->getOutputStream();
m_xTruncate.set( m_xOutputStream, uno::UNO_QUERY );
m_xAsyncOutputMonitor.set( m_xOutputStream, uno::UNO_QUERY );
}
catch( uno::Exception& )
{
m_xStream.clear();
m_xSeekable.clear();
m_xInputStream.clear();
m_xOutputStream.clear();
m_xTruncate.clear();
m_xAsyncOutputMonitor.clear();
}
}
OFSStreamContainer::~OFSStreamContainer()
{
}
// XInterface
uno::Any SAL_CALL OFSStreamContainer::queryInterface( const uno::Type& rType )
{
uno::Any aReturn;
aReturn = ::cppu::queryInterface
( rType
, static_cast<lang::XTypeProvider*> ( this )
, static_cast<io::XStream*> ( this )
, static_cast<embed::XExtendedStorageStream*> ( this )
, static_cast<lang::XComponent*> ( this ) );
if ( aReturn.hasValue() )
return aReturn ;
if ( m_xSeekable.is() )
{
aReturn = ::cppu::queryInterface
( rType
, static_cast<io::XSeekable*> ( this ) );
if ( aReturn.hasValue() )
return aReturn ;
}
if ( m_xInputStream.is() )
{
aReturn = ::cppu::queryInterface
( rType
, static_cast<io::XInputStream*> ( this ) );
if ( aReturn.hasValue() )
return aReturn ;
}
if ( m_xOutputStream.is() )
{
aReturn = ::cppu::queryInterface
( rType
, static_cast<io::XOutputStream*> ( this ) );
if ( aReturn.hasValue() )
return aReturn ;
}
if ( m_xTruncate.is() )
{
aReturn = ::cppu::queryInterface
( rType
, static_cast<io::XTruncate*> ( this ) );
if ( aReturn.hasValue() )
return aReturn ;
}
if ( m_xAsyncOutputMonitor.is() )
{
aReturn = ::cppu::queryInterface
( rType
, static_cast<io::XAsyncOutputMonitor*> ( this ) );
if ( aReturn.hasValue() )
return aReturn ;
}
return OWeakObject::queryInterface( rType );
}
void SAL_CALL OFSStreamContainer::acquire()
throw()
{
OWeakObject::acquire();
}
void SAL_CALL OFSStreamContainer::release()
throw()
{
OWeakObject::release();
}
// XTypeProvider
uno::Sequence< uno::Type > SAL_CALL OFSStreamContainer::getTypes()
{
if ( m_pTypeCollection == nullptr )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_pTypeCollection == nullptr )
{
::cppu::OTypeCollection aTypeCollection
( cppu::UnoType<lang::XTypeProvider>::get()
, cppu::UnoType<embed::XExtendedStorageStream>::get());
if ( m_xSeekable.is() )
aTypeCollection = ::cppu::OTypeCollection
( cppu::UnoType<io::XSeekable>::get(),
aTypeCollection.getTypes() );
if ( m_xInputStream.is() )
aTypeCollection = ::cppu::OTypeCollection
( cppu::UnoType<io::XInputStream>::get(),
aTypeCollection.getTypes() );
if ( m_xOutputStream.is() )
aTypeCollection = ::cppu::OTypeCollection
( cppu::UnoType<io::XOutputStream>::get(),
aTypeCollection.getTypes() );
if ( m_xTruncate.is() )
aTypeCollection = ::cppu::OTypeCollection
( cppu::UnoType<io::XTruncate>::get(),
aTypeCollection.getTypes() );
if ( m_xAsyncOutputMonitor.is() )
aTypeCollection = ::cppu::OTypeCollection
( cppu::UnoType<io::XAsyncOutputMonitor>::get(),
aTypeCollection.getTypes() );
m_pTypeCollection = new ::cppu::OTypeCollection( aTypeCollection );
}
}
return m_pTypeCollection->getTypes() ;
}
uno::Sequence< sal_Int8 > SAL_CALL OFSStreamContainer::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
// XStream
uno::Reference< io::XInputStream > SAL_CALL OFSStreamContainer::getInputStream()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() )
throw uno::RuntimeException();
if ( m_xInputStream.is() )
return uno::Reference< io::XInputStream >( static_cast< io::XInputStream* >( this ) );
return uno::Reference< io::XInputStream >();
}
uno::Reference< io::XOutputStream > SAL_CALL OFSStreamContainer::getOutputStream()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() )
throw uno::RuntimeException();
if ( m_xOutputStream.is() )
return uno::Reference< io::XOutputStream >( static_cast< io::XOutputStream* >( this ) );
return uno::Reference< io::XOutputStream >();
}
// XComponent
void SAL_CALL OFSStreamContainer::dispose()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() )
throw uno::RuntimeException();
if ( m_xInputStream.is() && !m_bInputClosed )
{
m_xInputStream->closeInput();
m_bInputClosed = true;
}
if ( m_xOutputStream.is() && !m_bOutputClosed )
{
m_xOutputStream->closeOutput();
m_bOutputClosed = true;
}
if ( m_pListenersContainer )
{
lang::EventObject aSource( static_cast< ::cppu::OWeakObject*>( this ) );
m_pListenersContainer->disposeAndClear( aSource );
}
m_bDisposed = true;
}
void SAL_CALL OFSStreamContainer::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_pListenersContainer )
m_pListenersContainer.reset(new ::comphelper::OInterfaceContainerHelper2( m_aMutex ));
m_pListenersContainer->addInterface( xListener );
}
void SAL_CALL OFSStreamContainer::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( m_pListenersContainer )
m_pListenersContainer->removeInterface( xListener );
}
// XSeekable
void SAL_CALL OFSStreamContainer::seek( sal_Int64 location )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xSeekable.is() )
throw uno::RuntimeException();
m_xSeekable->seek( location );
}
sal_Int64 SAL_CALL OFSStreamContainer::getPosition()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xSeekable.is() )
throw uno::RuntimeException();
return m_xSeekable->getPosition();
}
sal_Int64 SAL_CALL OFSStreamContainer::getLength()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xSeekable.is() )
throw uno::RuntimeException();
return m_xSeekable->getLength();
}
// XInputStream
sal_Int32 SAL_CALL OFSStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xInputStream.is() )
throw uno::RuntimeException();
return m_xInputStream->readBytes( aData, nBytesToRead );
}
sal_Int32 SAL_CALL OFSStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xInputStream.is() )
throw uno::RuntimeException();
return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
}
void SAL_CALL OFSStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xInputStream.is() )
throw uno::RuntimeException();
m_xInputStream->skipBytes( nBytesToSkip );
}
sal_Int32 SAL_CALL OFSStreamContainer::available()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xInputStream.is() )
throw uno::RuntimeException();
return m_xInputStream->available();
}
void SAL_CALL OFSStreamContainer::closeInput()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xInputStream.is() )
throw uno::RuntimeException();
if ( m_xInputStream.is() )
{
m_xInputStream->closeInput();
m_bInputClosed = true;
}
if ( m_bOutputClosed )
dispose();
}
// XOutputStream
void SAL_CALL OFSStreamContainer::writeBytes( const uno::Sequence< sal_Int8 >& aData )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xOutputStream.is() )
throw uno::RuntimeException();
return m_xOutputStream->writeBytes( aData );
}
void SAL_CALL OFSStreamContainer::flush()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xOutputStream.is() )
throw uno::RuntimeException();
return m_xOutputStream->flush();
}
void SAL_CALL OFSStreamContainer::closeOutput()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xOutputStream.is() )
throw uno::RuntimeException();
if ( m_xOutputStream.is() )
{
m_xOutputStream->closeOutput();
m_bOutputClosed = true;
}
if ( m_bInputClosed )
dispose();
}
// XTruncate
void SAL_CALL OFSStreamContainer::truncate()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xTruncate.is() )
throw uno::RuntimeException();
m_xTruncate->truncate();
}
// XAsyncOutputMonitor
void SAL_CALL OFSStreamContainer::waitForCompletion()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xStream.is() || !m_xAsyncOutputMonitor.is() )
throw uno::RuntimeException();
m_xAsyncOutputMonitor->waitForCompletion();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V547 Expression 'm_pTypeCollection == nullptr' is always true.
↑ V773 The 'm_pTypeCollection' pointer was not released in destructor. A memory leak is possible.