/* -*- 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 "oinputstreamcontainer.hxx"
#include <cppuhelper/typeprovider.hxx>
#include <cppuhelper/queryinterface.hxx>
using namespace ::com::sun::star;
OFSInputStreamContainer::OFSInputStreamContainer( const uno::Reference< io::XInputStream >& xStream )
: m_xInputStream( xStream )
, m_xSeekable( xStream, uno::UNO_QUERY )
, m_bSeekable( false )
, m_bDisposed( false )
{
m_bSeekable = m_xSeekable.is();
}
OFSInputStreamContainer::~OFSInputStreamContainer()
{
}
uno::Sequence< uno::Type > SAL_CALL OFSInputStreamContainer::getTypes()
{
static ::cppu::OTypeCollection* pTypeCollection = nullptr ;
if ( pTypeCollection == nullptr )
{
::osl::MutexGuard aGuard( m_aMutex ) ;
if ( pTypeCollection == nullptr )
{
if ( m_bSeekable )
{
static ::cppu::OTypeCollection aTypeCollection(
cppu::UnoType<io::XStream>::get(),
cppu::UnoType<io::XInputStream>::get(),
cppu::UnoType<io::XSeekable>::get());
pTypeCollection = &aTypeCollection ;
}
else
{
static ::cppu::OTypeCollection aTypeCollection(
cppu::UnoType<io::XStream>::get(),
cppu::UnoType<io::XInputStream>::get());
pTypeCollection = &aTypeCollection ;
}
}
}
return pTypeCollection->getTypes() ;
}
uno::Any SAL_CALL OFSInputStreamContainer::queryInterface( const uno::Type& rType )
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
uno::Any aReturn;
if ( m_bSeekable )
aReturn = ::cppu::queryInterface( rType,
static_cast< io::XStream* >( this ),
static_cast< io::XInputStream* >( this ),
static_cast< io::XSeekable* >( this ) );
else
aReturn = ::cppu::queryInterface( rType,
static_cast< io::XStream* >( this ),
static_cast< io::XInputStream* >( this ) );
if ( aReturn.hasValue() )
return aReturn ;
return ::cppu::OWeakObject::queryInterface( rType ) ;
}
void SAL_CALL OFSInputStreamContainer::acquire()
throw()
{
::cppu::OWeakObject::acquire();
}
void SAL_CALL OFSInputStreamContainer::release()
throw()
{
::cppu::OWeakObject::release();
}
sal_Int32 SAL_CALL OFSInputStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
throw uno::RuntimeException();
return m_xInputStream->readBytes( aData, nBytesToRead );
}
sal_Int32 SAL_CALL OFSInputStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
throw uno::RuntimeException();
return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
}
void SAL_CALL OFSInputStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
throw uno::RuntimeException();
m_xInputStream->skipBytes( nBytesToSkip );
}
sal_Int32 SAL_CALL OFSInputStreamContainer::available( )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
throw uno::RuntimeException();
return m_xInputStream->available();
}
void SAL_CALL OFSInputStreamContainer::closeInput( )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
throw uno::RuntimeException();
dispose();
}
uno::Reference< io::XInputStream > SAL_CALL OFSInputStreamContainer::getInputStream()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
return uno::Reference< io::XInputStream >();
return uno::Reference< io::XInputStream >( static_cast< io::XInputStream* >( this ), uno::UNO_QUERY );
}
uno::Reference< io::XOutputStream > SAL_CALL OFSInputStreamContainer::getOutputStream()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
return uno::Reference< io::XOutputStream >();
}
void SAL_CALL OFSInputStreamContainer::seek( sal_Int64 location )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xSeekable.is() )
throw uno::RuntimeException();
m_xSeekable->seek( location );
}
sal_Int64 SAL_CALL OFSInputStreamContainer::getPosition()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xSeekable.is() )
throw uno::RuntimeException();
return m_xSeekable->getPosition();
}
sal_Int64 SAL_CALL OFSInputStreamContainer::getLength()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xSeekable.is() )
throw uno::RuntimeException();
return m_xSeekable->getLength();
}
void SAL_CALL OFSInputStreamContainer::dispose( )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException();
if ( !m_xInputStream.is() )
throw uno::RuntimeException();
m_xInputStream->closeInput();
if ( m_pListenersContainer )
{
lang::EventObject aSource( static_cast< ::cppu::OWeakObject*>( this ) );
m_pListenersContainer->disposeAndClear( aSource );
}
m_bDisposed = true;
}
void SAL_CALL OFSInputStreamContainer::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 OFSInputStreamContainer::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 );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V547 Expression 'pTypeCollection == nullptr' is always true.