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Diffstat (limited to '')
-rw-r--r-- | svl/source/fsstor/oinputstreamcontainer.cxx | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/svl/source/fsstor/oinputstreamcontainer.cxx b/svl/source/fsstor/oinputstreamcontainer.cxx new file mode 100644 index 000000000..b62aca14c --- /dev/null +++ b/svl/source/fsstor/oinputstreamcontainer.cxx @@ -0,0 +1,266 @@ +/* -*- 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() +{ + if (m_bSeekable) + { + static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XStream>::get(), + cppu::UnoType<io::XInputStream>::get(), + cppu::UnoType<io::XSeekable>::get()); + + return aTypeCollection.getTypes(); + } + else + { + static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XStream>::get(), + cppu::UnoType<io::XInputStream>::get()); + + return aTypeCollection.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: */ |