144 lines
4.2 KiB
C++
144 lines
4.2 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 <com/sun/star/lang/DisposedException.hpp>
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#include <cppuhelper/typeprovider.hxx>
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#include <cppuhelper/queryinterface.hxx>
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#include <osl/diagnose.h>
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#include <sal/log.hxx>
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#include "oseekinstream.hxx"
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#include "owriteablestream.hxx"
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using namespace ::com::sun::star;
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OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
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uno::Reference < io::XInputStream > const & xStream,
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const uno::Sequence< beans::PropertyValue >& aProps,
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sal_Int32 nStorageType )
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: OInputCompStream( pImpl, xStream, aProps, nStorageType )
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{
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m_xSeekable.set( m_xStream, uno::UNO_QUERY );
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OSL_ENSURE( m_xSeekable.is(), "No seeking support!" );
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}
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OInputSeekStream::OInputSeekStream( uno::Reference < io::XInputStream > const & xStream,
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const uno::Sequence< beans::PropertyValue >& aProps,
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sal_Int32 nStorageType )
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: OInputCompStream( xStream, aProps, nStorageType )
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{
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m_xSeekable.set( m_xStream, uno::UNO_QUERY );
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OSL_ENSURE( m_xSeekable.is(), "No seeking support!" );
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}
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OInputSeekStream::~OInputSeekStream()
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{
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}
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uno::Sequence< uno::Type > SAL_CALL OInputSeekStream::getTypes()
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{
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static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XSeekable>::get(),
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OInputCompStream::getTypes());
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return aTypeCollection.getTypes();
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}
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uno::Any SAL_CALL OInputSeekStream::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( ::cppu::queryInterface( rType,
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static_cast< io::XSeekable* >( this ) ) );
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if ( aReturn.hasValue() )
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{
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return aReturn ;
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}
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return OInputCompStream::queryInterface( rType ) ;
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}
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void SAL_CALL OInputSeekStream::acquire()
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noexcept
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{
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OInputCompStream::acquire();
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}
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void SAL_CALL OInputSeekStream::release()
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noexcept
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{
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OInputCompStream::release();
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}
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void SAL_CALL OInputSeekStream::seek( sal_Int64 location )
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{
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::osl::MutexGuard aGuard( m_xMutex->GetMutex() );
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if ( m_bDisposed )
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{
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SAL_INFO("package.xstor", "Disposed!");
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throw lang::DisposedException();
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}
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if ( !m_xSeekable.is() )
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{
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SAL_INFO("package.xstor", "No seekable!");
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throw uno::RuntimeException();
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}
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m_xSeekable->seek( location );
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}
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sal_Int64 SAL_CALL OInputSeekStream::getPosition()
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{
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::osl::MutexGuard aGuard( m_xMutex->GetMutex() );
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if ( m_bDisposed )
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{
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SAL_INFO("package.xstor", "Disposed!");
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throw lang::DisposedException();
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}
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if ( !m_xSeekable.is() )
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{
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SAL_INFO("package.xstor", "No seekable!");
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throw uno::RuntimeException();
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}
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return m_xSeekable->getPosition();
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}
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sal_Int64 SAL_CALL OInputSeekStream::getLength()
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{
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::osl::MutexGuard aGuard( m_xMutex->GetMutex() );
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if ( m_bDisposed )
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{
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SAL_INFO("package.xstor", "Disposed!");
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throw lang::DisposedException();
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}
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if ( !m_xSeekable.is() )
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{
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SAL_INFO("package.xstor", "No seekable!");
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throw uno::RuntimeException();
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}
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return m_xSeekable->getLength();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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